diff --git a/main/distro/all/all.go b/main/distro/all/all.go
index efe8042cb..32a6489d5 100644
--- a/main/distro/all/all.go
+++ b/main/distro/all/all.go
@@ -65,6 +65,12 @@ import (
 	_ "github.com/v2fly/v2ray-core/v5/transport/internet/udp"
 	_ "github.com/v2fly/v2ray-core/v5/transport/internet/websocket"
 
+	// Developer preview transports
+	_ "github.com/v2fly/v2ray-core/v5/transport/internet/request/assembly"
+
+	_ "github.com/v2fly/v2ray-core/v5/transport/internet/request/assembler/simple"
+	_ "github.com/v2fly/v2ray-core/v5/transport/internet/request/roundtripper/httprt"
+
 	// Transport headers
 	_ "github.com/v2fly/v2ray-core/v5/transport/internet/headers/http"
 	_ "github.com/v2fly/v2ray-core/v5/transport/internet/headers/noop"
diff --git a/transport/internet/request/assembler.go b/transport/internet/request/assembler.go
new file mode 100644
index 000000000..58e1e01f4
--- /dev/null
+++ b/transport/internet/request/assembler.go
@@ -0,0 +1,22 @@
+package request
+
+import (
+	"io"
+)
+
+type SessionAssemblerClient interface {
+	SessionCreator
+	TransportClientAssemblyReceiver
+}
+type SessionAssemblerServer interface {
+	TripperReceiver
+	TransportServerAssemblyReceiver
+}
+
+type SessionOption interface {
+	RoundTripperOption()
+}
+
+type Session interface {
+	io.ReadWriteCloser
+}
diff --git a/transport/internet/request/assembler/simple/client.go b/transport/internet/request/assembler/simple/client.go
new file mode 100644
index 000000000..770fc69c3
--- /dev/null
+++ b/transport/internet/request/assembler/simple/client.go
@@ -0,0 +1,173 @@
+package simple
+
+import (
+	"bytes"
+	"context"
+	"crypto/rand"
+	"io"
+	"time"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+
+	"github.com/v2fly/v2ray-core/v5/transport/internet/request"
+)
+
+func newClient(config *ClientConfig) request.SessionAssemblerClient {
+	return &simpleAssemblerClient{config: config}
+}
+
+type simpleAssemblerClient struct {
+	assembly request.TransportClientAssembly
+	config   *ClientConfig
+}
+
+func (s *simpleAssemblerClient) OnTransportClientAssemblyReady(assembly request.TransportClientAssembly) {
+	s.assembly = assembly
+}
+
+func (s *simpleAssemblerClient) NewSession(ctx context.Context, opts ...request.SessionOption) (request.Session, error) {
+	sessionID := make([]byte, 16)
+	_, err := io.ReadFull(rand.Reader, sessionID)
+	if err != nil {
+		return nil, err
+	}
+	sessionContext, finish := context.WithCancel(ctx)
+	session := &simpleAssemblerClientSession{
+		sessionID: sessionID, tripper: s.assembly.Tripper(), readBuffer: bytes.NewBuffer(nil),
+		ctx: sessionContext, finish: finish, writerChan: make(chan []byte), readerChan: make(chan []byte, 16), assembler: s}
+	go session.keepRunning()
+	return session, nil
+}
+
+type simpleAssemblerClientSession struct {
+	sessionID        []byte
+	currentWriteWait int
+
+	assembler  *simpleAssemblerClient
+	tripper    request.Tripper
+	readBuffer *bytes.Buffer
+	writerChan chan []byte
+	readerChan chan []byte
+	ctx        context.Context
+	finish     func()
+}
+
+func (s *simpleAssemblerClientSession) keepRunning() {
+	s.currentWriteWait = int(s.assembler.config.InitialPollingIntervalMs)
+	for s.ctx.Err() == nil {
+		s.runOnce()
+	}
+}
+
+func (s *simpleAssemblerClientSession) runOnce() {
+	sendBuffer := bytes.NewBuffer(nil)
+	if s.currentWriteWait != 0 {
+		waitTimer := time.NewTimer(time.Millisecond * time.Duration(s.currentWriteWait))
+		waitForFirstWrite := true
+	copyFromWriterLoop:
+		for {
+			select {
+			case <-s.ctx.Done():
+				return
+			case data := <-s.writerChan:
+				sendBuffer.Write(data)
+				if sendBuffer.Len() >= int(s.assembler.config.MaxWriteSize) {
+					break copyFromWriterLoop
+				}
+				if waitForFirstWrite {
+					waitForFirstWrite = false
+					waitTimer.Reset(time.Millisecond * time.Duration(s.assembler.config.WaitSubsequentWriteMs))
+				}
+			case <-waitTimer.C:
+				break copyFromWriterLoop
+			}
+		}
+		waitTimer.Stop()
+	}
+
+	firstRound := true
+	pollConnection := true
+	for sendBuffer.Len() != 0 || firstRound {
+		firstRound = false
+		sendAmount := sendBuffer.Len()
+		if sendAmount > int(s.assembler.config.MaxWriteSize) {
+			sendAmount = int(s.assembler.config.MaxWriteSize)
+		}
+		data := sendBuffer.Next(sendAmount)
+		if len(data) != 0 {
+			pollConnection = false
+		}
+		for {
+			resp, err := s.tripper.RoundTrip(s.ctx, request.Request{Data: data, ConnectionTag: s.sessionID})
+			if err != nil {
+				newError("failed to send data").Base(err).WriteToLog()
+				if s.ctx.Err() != nil {
+					return
+				}
+				time.Sleep(time.Millisecond * time.Duration(s.assembler.config.FailedRetryIntervalMs))
+				continue
+			}
+			if len(resp.Data) != 0 {
+				s.readerChan <- resp.Data
+			}
+			if len(resp.Data) != 0 {
+				pollConnection = false
+			}
+			break
+		}
+	}
+	if pollConnection {
+		s.currentWriteWait = int(s.assembler.config.BackoffFactor * float32(s.currentWriteWait))
+		if s.currentWriteWait > int(s.assembler.config.MaxPollingIntervalMs) {
+			s.currentWriteWait = int(s.assembler.config.MaxPollingIntervalMs)
+		}
+		if s.currentWriteWait < int(s.assembler.config.MinPollingIntervalMs) {
+			s.currentWriteWait = int(s.assembler.config.MinPollingIntervalMs)
+		}
+	} else {
+		s.currentWriteWait = int(0)
+	}
+}
+
+func (s *simpleAssemblerClientSession) Read(p []byte) (n int, err error) {
+	if s.readBuffer.Len() == 0 {
+		select {
+		case <-s.ctx.Done():
+			return 0, s.ctx.Err()
+		case data := <-s.readerChan:
+			s.readBuffer.Write(data)
+		}
+	}
+	n, err = s.readBuffer.Read(p)
+	if err == io.EOF {
+		s.readBuffer.Reset()
+		return 0, nil
+	}
+	return
+}
+
+func (s *simpleAssemblerClientSession) Write(p []byte) (n int, err error) {
+	buf := make([]byte, len(p))
+	copy(buf, p)
+	select {
+	case <-s.ctx.Done():
+		return 0, s.ctx.Err()
+	case s.writerChan <- buf:
+		return len(p), nil
+	}
+}
+
+func (s *simpleAssemblerClientSession) Close() error {
+	s.finish()
+	return nil
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*ClientConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		clientConfig, ok := config.(*ClientConfig)
+		if !ok {
+			return nil, newError("not a ClientConfig")
+		}
+		return newClient(clientConfig), nil
+	}))
+}
diff --git a/transport/internet/request/assembler/simple/config.pb.go b/transport/internet/request/assembler/simple/config.pb.go
new file mode 100644
index 000000000..cb9daf866
--- /dev/null
+++ b/transport/internet/request/assembler/simple/config.pb.go
@@ -0,0 +1,295 @@
+package simple
+
+import (
+	_ "github.com/v2fly/v2ray-core/v5/common/protoext"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ClientConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MaxWriteSize             int32   `protobuf:"varint,1,opt,name=max_write_size,json=maxWriteSize,proto3" json:"max_write_size,omitempty"`
+	WaitSubsequentWriteMs    int32   `protobuf:"varint,2,opt,name=wait_subsequent_write_ms,json=waitSubsequentWriteMs,proto3" json:"wait_subsequent_write_ms,omitempty"`
+	InitialPollingIntervalMs int32   `protobuf:"varint,3,opt,name=initial_polling_interval_ms,json=initialPollingIntervalMs,proto3" json:"initial_polling_interval_ms,omitempty"`
+	MaxPollingIntervalMs     int32   `protobuf:"varint,4,opt,name=max_polling_interval_ms,json=maxPollingIntervalMs,proto3" json:"max_polling_interval_ms,omitempty"`
+	MinPollingIntervalMs     int32   `protobuf:"varint,5,opt,name=min_polling_interval_ms,json=minPollingIntervalMs,proto3" json:"min_polling_interval_ms,omitempty"`
+	BackoffFactor            float32 `protobuf:"fixed32,6,opt,name=backoff_factor,json=backoffFactor,proto3" json:"backoff_factor,omitempty"`
+	FailedRetryIntervalMs    int32   `protobuf:"varint,7,opt,name=failed_retry_interval_ms,json=failedRetryIntervalMs,proto3" json:"failed_retry_interval_ms,omitempty"`
+}
+
+func (x *ClientConfig) Reset() {
+	*x = ClientConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_request_assembler_simple_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ClientConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientConfig) ProtoMessage() {}
+
+func (x *ClientConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_request_assembler_simple_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientConfig.ProtoReflect.Descriptor instead.
+func (*ClientConfig) Descriptor() ([]byte, []int) {
+	return file_transport_internet_request_assembler_simple_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ClientConfig) GetMaxWriteSize() int32 {
+	if x != nil {
+		return x.MaxWriteSize
+	}
+	return 0
+}
+
+func (x *ClientConfig) GetWaitSubsequentWriteMs() int32 {
+	if x != nil {
+		return x.WaitSubsequentWriteMs
+	}
+	return 0
+}
+
+func (x *ClientConfig) GetInitialPollingIntervalMs() int32 {
+	if x != nil {
+		return x.InitialPollingIntervalMs
+	}
+	return 0
+}
+
+func (x *ClientConfig) GetMaxPollingIntervalMs() int32 {
+	if x != nil {
+		return x.MaxPollingIntervalMs
+	}
+	return 0
+}
+
+func (x *ClientConfig) GetMinPollingIntervalMs() int32 {
+	if x != nil {
+		return x.MinPollingIntervalMs
+	}
+	return 0
+}
+
+func (x *ClientConfig) GetBackoffFactor() float32 {
+	if x != nil {
+		return x.BackoffFactor
+	}
+	return 0
+}
+
+func (x *ClientConfig) GetFailedRetryIntervalMs() int32 {
+	if x != nil {
+		return x.FailedRetryIntervalMs
+	}
+	return 0
+}
+
+type ServerConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MaxWriteSize int32 `protobuf:"varint,1,opt,name=max_write_size,json=maxWriteSize,proto3" json:"max_write_size,omitempty"`
+}
+
+func (x *ServerConfig) Reset() {
+	*x = ServerConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_request_assembler_simple_config_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ServerConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServerConfig) ProtoMessage() {}
+
+func (x *ServerConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_request_assembler_simple_config_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServerConfig.ProtoReflect.Descriptor instead.
+func (*ServerConfig) Descriptor() ([]byte, []int) {
+	return file_transport_internet_request_assembler_simple_config_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *ServerConfig) GetMaxWriteSize() int32 {
+	if x != nil {
+		return x.MaxWriteSize
+	}
+	return 0
+}
+
+var File_transport_internet_request_assembler_simple_config_proto protoreflect.FileDescriptor
+
+var file_transport_internet_request_assembler_simple_config_proto_rawDesc = []byte{
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+	0x6c, 0x65, 0x72, 0x2e, 0x73, 0x69, 0x6d, 0x70, 0x6c, 0x65, 0x50, 0x01, 0x5a, 0x4a, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x76, 0x32, 0x66, 0x6c, 0x79, 0x2f, 0x76,
+	0x32, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f, 0x76, 0x35, 0x2f, 0x74, 0x72, 0x61,
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+	0x72, 0x2f, 0x73, 0x69, 0x6d, 0x70, 0x6c, 0x65, 0xaa, 0x02, 0x36, 0x56, 0x32, 0x52, 0x61, 0x79,
+	0x2e, 0x43, 0x6f, 0x72, 0x65, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e,
+	0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x2e, 0x41, 0x73, 0x73, 0x65, 0x6d, 0x62, 0x6c, 0x65, 0x72, 0x2e, 0x53, 0x69, 0x6d, 0x70, 0x6c,
+	0x65, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_transport_internet_request_assembler_simple_config_proto_rawDescOnce sync.Once
+	file_transport_internet_request_assembler_simple_config_proto_rawDescData = file_transport_internet_request_assembler_simple_config_proto_rawDesc
+)
+
+func file_transport_internet_request_assembler_simple_config_proto_rawDescGZIP() []byte {
+	file_transport_internet_request_assembler_simple_config_proto_rawDescOnce.Do(func() {
+		file_transport_internet_request_assembler_simple_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_request_assembler_simple_config_proto_rawDescData)
+	})
+	return file_transport_internet_request_assembler_simple_config_proto_rawDescData
+}
+
+var file_transport_internet_request_assembler_simple_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_transport_internet_request_assembler_simple_config_proto_goTypes = []interface{}{
+	(*ClientConfig)(nil), // 0: v2ray.core.transport.internet.request.assembler.simple.ClientConfig
+	(*ServerConfig)(nil), // 1: v2ray.core.transport.internet.request.assembler.simple.ServerConfig
+}
+var file_transport_internet_request_assembler_simple_config_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_transport_internet_request_assembler_simple_config_proto_init() }
+func file_transport_internet_request_assembler_simple_config_proto_init() {
+	if File_transport_internet_request_assembler_simple_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_transport_internet_request_assembler_simple_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ClientConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_transport_internet_request_assembler_simple_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ServerConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_transport_internet_request_assembler_simple_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_transport_internet_request_assembler_simple_config_proto_goTypes,
+		DependencyIndexes: file_transport_internet_request_assembler_simple_config_proto_depIdxs,
+		MessageInfos:      file_transport_internet_request_assembler_simple_config_proto_msgTypes,
+	}.Build()
+	File_transport_internet_request_assembler_simple_config_proto = out.File
+	file_transport_internet_request_assembler_simple_config_proto_rawDesc = nil
+	file_transport_internet_request_assembler_simple_config_proto_goTypes = nil
+	file_transport_internet_request_assembler_simple_config_proto_depIdxs = nil
+}
diff --git a/transport/internet/request/assembler/simple/config.proto b/transport/internet/request/assembler/simple/config.proto
new file mode 100644
index 000000000..c48b11779
--- /dev/null
+++ b/transport/internet/request/assembler/simple/config.proto
@@ -0,0 +1,29 @@
+syntax = "proto3";
+
+package v2ray.core.transport.internet.request.assembler.simple;
+option csharp_namespace = "V2Ray.Core.Transport.Internet.Request.Assembler.Simple";
+option go_package = "github.com/v2fly/v2ray-core/v5/transport/internet/request/assembler/simple";
+option java_package = "com.v2ray.core.transport.internet.request.assembler.simple";
+option java_multiple_files = true;
+
+import "common/protoext/extensions.proto";
+
+message ClientConfig {
+  option (v2ray.core.common.protoext.message_opt).type = "transport.request.assembler.client";
+  option (v2ray.core.common.protoext.message_opt).short_name = "simple";
+
+  int32 max_write_size = 1;
+  int32 wait_subsequent_write_ms = 2;
+  int32 initial_polling_interval_ms = 3;
+  int32 max_polling_interval_ms = 4;
+  int32 min_polling_interval_ms = 5;
+  float backoff_factor = 6;
+  int32 failed_retry_interval_ms = 7;
+}
+
+message ServerConfig {
+  option (v2ray.core.common.protoext.message_opt).type = "transport.request.assembler.server";
+  option (v2ray.core.common.protoext.message_opt).short_name = "simple";
+
+  int32 max_write_size = 1;
+}
\ No newline at end of file
diff --git a/transport/internet/request/assembler/simple/errors.generated.go b/transport/internet/request/assembler/simple/errors.generated.go
new file mode 100644
index 000000000..7ca71c8e0
--- /dev/null
+++ b/transport/internet/request/assembler/simple/errors.generated.go
@@ -0,0 +1,9 @@
+package simple
+
+import "github.com/v2fly/v2ray-core/v5/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}
diff --git a/transport/internet/request/assembler/simple/server.go b/transport/internet/request/assembler/simple/server.go
new file mode 100644
index 000000000..696e73234
--- /dev/null
+++ b/transport/internet/request/assembler/simple/server.go
@@ -0,0 +1,137 @@
+package simple
+
+import (
+	"bytes"
+	"context"
+	"sync"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+
+	"github.com/v2fly/v2ray-core/v5/transport/internet/request"
+)
+
+func newServer(config *ServerConfig) request.SessionAssemblerServer {
+	return &simpleAssemblerServer{}
+}
+
+type simpleAssemblerServer struct {
+	sessions sync.Map
+	assembly request.TransportServerAssembly
+}
+
+func (s *simpleAssemblerServer) OnTransportServerAssemblyReady(assembly request.TransportServerAssembly) {
+	s.assembly = assembly
+}
+
+func (s *simpleAssemblerServer) OnRoundTrip(ctx context.Context, req request.Request, opts ...request.RoundTripperOption,
+) (resp request.Response, err error) {
+	connectionID := req.ConnectionTag
+	session := newSimpleAssemblerServerSession(ctx)
+	loadedSession, loaded := s.sessions.LoadOrStore(string(connectionID), session)
+	if loaded {
+		session = loadedSession.(*simpleAssemblerServerSession)
+	} else {
+		if err := s.assembly.SessionReceiver().OnNewSession(ctx, session); err != nil {
+			return request.Response{}, newError("failed to create new session").Base(err)
+		}
+	}
+	return session.OnRoundTrip(ctx, req, opts...)
+}
+
+func newSimpleAssemblerServerSession(ctx context.Context) *simpleAssemblerServerSession {
+	sessionCtx, finish := context.WithCancel(ctx)
+	return &simpleAssemblerServerSession{
+		readBuffer:       bytes.NewBuffer(nil),
+		readChan:         make(chan []byte, 16),
+		requestProcessed: make(chan struct{}),
+		writeLock:        new(sync.Mutex),
+		writeBuffer:      bytes.NewBuffer(nil),
+		maxWriteSize:     4096,
+		ctx:              sessionCtx,
+		finish:           finish,
+	}
+}
+
+type simpleAssemblerServerSession struct {
+	maxWriteSize int
+
+	readBuffer       *bytes.Buffer
+	readChan         chan []byte
+	requestProcessed chan struct{}
+
+	writeLock   *sync.Mutex
+	writeBuffer *bytes.Buffer
+
+	ctx    context.Context
+	finish func()
+}
+
+func (s *simpleAssemblerServerSession) Read(p []byte) (n int, err error) {
+	if s.readBuffer.Len() == 0 {
+		select {
+		case <-s.ctx.Done():
+			return 0, s.ctx.Err()
+		case data := <-s.readChan:
+			s.readBuffer.Write(data)
+		}
+	}
+	return s.readBuffer.Read(p)
+}
+
+func (s *simpleAssemblerServerSession) Write(p []byte) (n int, err error) {
+	s.writeLock.Lock()
+
+	n, err = s.writeBuffer.Write(p)
+	length := s.writeBuffer.Len()
+	s.writeLock.Unlock()
+	if err != nil {
+		return 0, err
+	}
+	if length > s.maxWriteSize {
+		select {
+		case <-s.requestProcessed:
+		case <-s.ctx.Done():
+			return 0, s.ctx.Err()
+		}
+	}
+	return
+}
+
+func (s *simpleAssemblerServerSession) Close() error {
+	s.finish()
+	return nil
+}
+
+func (s *simpleAssemblerServerSession) OnRoundTrip(ctx context.Context, req request.Request, opts ...request.RoundTripperOption,
+) (resp request.Response, err error) {
+	if req.Data != nil && len(req.Data) > 0 {
+		select {
+		case <-s.ctx.Done():
+			return request.Response{}, s.ctx.Err()
+		case s.readChan <- req.Data:
+		}
+	}
+
+	s.writeLock.Lock()
+	nextWrite := s.writeBuffer.Next(s.maxWriteSize)
+	data := make([]byte, len(nextWrite))
+	copy(data, nextWrite)
+	s.writeLock.Unlock()
+	select {
+	case s.requestProcessed <- struct{}{}:
+	case <-s.ctx.Done():
+		return request.Response{}, s.ctx.Err()
+	default:
+	}
+	return request.Response{Data: data}, nil
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*ServerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		serverConfig, ok := config.(*ServerConfig)
+		if !ok {
+			return nil, newError("not a SimpleServerConfig")
+		}
+		return newServer(serverConfig), nil
+	}))
+}
diff --git a/transport/internet/request/assembler/simple/simple.go b/transport/internet/request/assembler/simple/simple.go
new file mode 100644
index 000000000..2a92860f6
--- /dev/null
+++ b/transport/internet/request/assembler/simple/simple.go
@@ -0,0 +1,3 @@
+package simple
+
+//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
diff --git a/transport/internet/request/assembly/assembly.go b/transport/internet/request/assembly/assembly.go
new file mode 100644
index 000000000..22d6df819
--- /dev/null
+++ b/transport/internet/request/assembly/assembly.go
@@ -0,0 +1,17 @@
+package assembly
+
+import (
+	"context"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+)
+
+//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
+
+const protocolName = "request"
+
+func init() {
+	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		return nil, newError("request is a transport protocol.")
+	}))
+}
diff --git a/transport/internet/request/assembly/config.pb.go b/transport/internet/request/assembly/config.pb.go
new file mode 100644
index 000000000..036907e39
--- /dev/null
+++ b/transport/internet/request/assembly/config.pb.go
@@ -0,0 +1,174 @@
+package assembly
+
+import (
+	_ "github.com/v2fly/v2ray-core/v5/common/protoext"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Config struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Assembler    *anypb.Any `protobuf:"bytes,1,opt,name=assembler,proto3" json:"assembler,omitempty"`
+	Roundtripper *anypb.Any `protobuf:"bytes,2,opt,name=roundtripper,proto3" json:"roundtripper,omitempty"`
+}
+
+func (x *Config) Reset() {
+	*x = Config{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_request_assembly_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Config) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Config) ProtoMessage() {}
+
+func (x *Config) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_request_assembly_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Config.ProtoReflect.Descriptor instead.
+func (*Config) Descriptor() ([]byte, []int) {
+	return file_transport_internet_request_assembly_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Config) GetAssembler() *anypb.Any {
+	if x != nil {
+		return x.Assembler
+	}
+	return nil
+}
+
+func (x *Config) GetRoundtripper() *anypb.Any {
+	if x != nil {
+		return x.Roundtripper
+	}
+	return nil
+}
+
+var File_transport_internet_request_assembly_config_proto protoreflect.FileDescriptor
+
+var file_transport_internet_request_assembly_config_proto_rawDesc = []byte{
+	0x0a, 0x30, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65,
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+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_transport_internet_request_assembly_config_proto_rawDescOnce sync.Once
+	file_transport_internet_request_assembly_config_proto_rawDescData = file_transport_internet_request_assembly_config_proto_rawDesc
+)
+
+func file_transport_internet_request_assembly_config_proto_rawDescGZIP() []byte {
+	file_transport_internet_request_assembly_config_proto_rawDescOnce.Do(func() {
+		file_transport_internet_request_assembly_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_request_assembly_config_proto_rawDescData)
+	})
+	return file_transport_internet_request_assembly_config_proto_rawDescData
+}
+
+var file_transport_internet_request_assembly_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_transport_internet_request_assembly_config_proto_goTypes = []interface{}{
+	(*Config)(nil),    // 0: v2ray.core.transport.internet.request.assembly.Config
+	(*anypb.Any)(nil), // 1: google.protobuf.Any
+}
+var file_transport_internet_request_assembly_config_proto_depIdxs = []int32{
+	1, // 0: v2ray.core.transport.internet.request.assembly.Config.assembler:type_name -> google.protobuf.Any
+	1, // 1: v2ray.core.transport.internet.request.assembly.Config.roundtripper:type_name -> google.protobuf.Any
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_transport_internet_request_assembly_config_proto_init() }
+func file_transport_internet_request_assembly_config_proto_init() {
+	if File_transport_internet_request_assembly_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_transport_internet_request_assembly_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Config); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_transport_internet_request_assembly_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_transport_internet_request_assembly_config_proto_goTypes,
+		DependencyIndexes: file_transport_internet_request_assembly_config_proto_depIdxs,
+		MessageInfos:      file_transport_internet_request_assembly_config_proto_msgTypes,
+	}.Build()
+	File_transport_internet_request_assembly_config_proto = out.File
+	file_transport_internet_request_assembly_config_proto_rawDesc = nil
+	file_transport_internet_request_assembly_config_proto_goTypes = nil
+	file_transport_internet_request_assembly_config_proto_depIdxs = nil
+}
diff --git a/transport/internet/request/assembly/config.proto b/transport/internet/request/assembly/config.proto
new file mode 100644
index 000000000..4004b23c3
--- /dev/null
+++ b/transport/internet/request/assembly/config.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package v2ray.core.transport.internet.request.assembly;
+option csharp_namespace = "V2Ray.Core.Transport.Internet.Request.Assembly";
+option go_package = "github.com/v2fly/v2ray-core/v5/transport/internet/request/assembly";
+option java_package = "com.v2ray.core.transport.internet.request.assembly";
+option java_multiple_files = true;
+
+import "common/protoext/extensions.proto";
+import "google/protobuf/any.proto";
+
+message Config {
+  option (v2ray.core.common.protoext.message_opt).type = "transport";
+  option (v2ray.core.common.protoext.message_opt).short_name = "request";
+
+  google.protobuf.Any assembler = 1;
+  google.protobuf.Any roundtripper = 2;
+}
\ No newline at end of file
diff --git a/transport/internet/request/assembly/dialer.go b/transport/internet/request/assembly/dialer.go
new file mode 100644
index 000000000..80d75bf1f
--- /dev/null
+++ b/transport/internet/request/assembly/dialer.go
@@ -0,0 +1,125 @@
+package assembly
+
+import (
+	"context"
+	gonet "net"
+	"time"
+
+	"github.com/v2fly/v2ray-core/v5/transport/internet/transportcommon"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+	"github.com/v2fly/v2ray-core/v5/common/net"
+	"github.com/v2fly/v2ray-core/v5/common/serial"
+	"github.com/v2fly/v2ray-core/v5/common/session"
+	"github.com/v2fly/v2ray-core/v5/transport/internet"
+	"github.com/v2fly/v2ray-core/v5/transport/internet/request"
+)
+
+type client struct {
+	tripper   request.RoundTripperClient
+	assembler request.SessionAssemblerClient
+
+	streamSettings *internet.MemoryStreamConfig
+	dest           net.Destination
+}
+
+func (c client) Dial(ctx context.Context) (net.Conn, error) {
+	return transportcommon.DialWithSecuritySettings(ctx, c.dest, c.streamSettings)
+}
+
+func (c client) AutoImplDialer() request.Dialer {
+	return c
+}
+
+func (c client) Tripper() request.Tripper {
+	return c.tripper
+}
+
+func (c client) dialRequestSession(ctx context.Context) (net.Conn, error) {
+	session, err := c.assembler.NewSession(ctx)
+	if err != nil {
+		return nil, newError("failed to create new session").Base(err)
+	}
+	return clientConnection{session}, nil
+}
+
+type clientConnection struct {
+	request.Session
+}
+
+func (c clientConnection) LocalAddr() gonet.Addr {
+	return &net.UnixAddr{Name: "unimplemented"}
+}
+
+func (c clientConnection) RemoteAddr() gonet.Addr {
+	return &net.UnixAddr{Name: "unimplemented"}
+}
+
+func (c clientConnection) SetDeadline(t time.Time) error {
+	// Unimplemented
+	return nil
+}
+
+func (c clientConnection) SetReadDeadline(t time.Time) error {
+	// Unimplemented
+	return nil
+}
+
+func (c clientConnection) SetWriteDeadline(t time.Time) error {
+	// Unimplemented
+	return nil
+}
+
+func dialRequest(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (net.Conn, error) {
+	clientAssembly := &client{}
+	transportConfiguration := streamSettings.ProtocolSettings.(*Config)
+
+	assemblerConfigInstance, err := serial.GetInstanceOf(transportConfiguration.Assembler)
+	if err != nil {
+		return nil, newError("failed to get config instance of assembler").Base(err)
+	}
+	assembler, err := common.CreateObject(ctx, assemblerConfigInstance)
+	if err != nil {
+		return nil, newError("failed to create assembler").Base(err)
+	}
+	if typedAssembler, ok := assembler.(request.SessionAssemblerClient); !ok {
+		return nil, newError("failed to type assert assembler to SessionAssemblerClient")
+	} else {
+		clientAssembly.assembler = typedAssembler
+	}
+
+	roundtripperConfigInstance, err := serial.GetInstanceOf(transportConfiguration.Roundtripper)
+	if err != nil {
+		return nil, newError("failed to get config instance of roundtripper").Base(err)
+	}
+	roundtripper, err := common.CreateObject(ctx, roundtripperConfigInstance)
+	if err != nil {
+		return nil, newError("failed to create roundtripper").Base(err)
+	}
+	if typedRoundtripper, ok := roundtripper.(request.RoundTripperClient); !ok {
+		return nil, newError("failed to type assert roundtripper to RoundTripperClient")
+	} else {
+		clientAssembly.tripper = typedRoundtripper
+	}
+
+	clientAssembly.streamSettings = streamSettings
+	clientAssembly.dest = dest
+
+	clientAssembly.assembler.OnTransportClientAssemblyReady(clientAssembly)
+	clientAssembly.tripper.OnTransportClientAssemblyReady(clientAssembly)
+	return clientAssembly.dialRequestSession(ctx)
+}
+
+func dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
+	newError("creating connection to ", dest).WriteToLog(session.ExportIDToError(ctx))
+
+	conn, err := dialRequest(ctx, dest, streamSettings)
+	if err != nil {
+		return nil, newError("failed to dial request to ", dest).Base(err)
+	}
+	return internet.Connection(conn), nil
+}
+
+func init() {
+	common.Must(internet.RegisterTransportDialer(protocolName, dial))
+}
diff --git a/transport/internet/request/assembly/errors.generated.go b/transport/internet/request/assembly/errors.generated.go
new file mode 100644
index 000000000..48ffbedcc
--- /dev/null
+++ b/transport/internet/request/assembly/errors.generated.go
@@ -0,0 +1,9 @@
+package assembly
+
+import "github.com/v2fly/v2ray-core/v5/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}
diff --git a/transport/internet/request/assembly/hub.go b/transport/internet/request/assembly/hub.go
new file mode 100644
index 000000000..7a6fc404f
--- /dev/null
+++ b/transport/internet/request/assembly/hub.go
@@ -0,0 +1,135 @@
+package assembly
+
+import (
+	"context"
+	gonet "net"
+	"time"
+
+	"github.com/v2fly/v2ray-core/v5/transport/internet/transportcommon"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+	"github.com/v2fly/v2ray-core/v5/common/net"
+	"github.com/v2fly/v2ray-core/v5/common/serial"
+	"github.com/v2fly/v2ray-core/v5/transport/internet"
+	"github.com/v2fly/v2ray-core/v5/transport/internet/request"
+)
+
+type server struct {
+	tripper   request.RoundTripperServer
+	assembler request.SessionAssemblerServer
+	addConn   internet.ConnHandler
+
+	streamSettings *internet.MemoryStreamConfig
+	addr           net.Address
+	port           net.Port
+}
+
+func (s server) Listen(ctx context.Context) (net.Listener, error) {
+	return transportcommon.ListenWithSecuritySettings(ctx, s.addr, s.port, s.streamSettings)
+}
+
+func (s server) AutoImplListener() request.Listener {
+	return s
+}
+
+func (s server) Close() error {
+	if err := s.tripper.Close(); err != nil {
+		return newError("failed to close tripper").Base(err)
+	}
+	return nil
+}
+
+func (s server) Addr() net.Addr {
+	// Unimplemented
+	return nil
+}
+
+type serverConnection struct {
+	request.Session
+}
+
+func (s serverConnection) LocalAddr() gonet.Addr {
+	return &net.UnixAddr{Name: "unimplemented"}
+}
+
+func (s serverConnection) RemoteAddr() gonet.Addr {
+	return &net.UnixAddr{Name: "unimplemented"}
+}
+
+func (s serverConnection) SetDeadline(t time.Time) error {
+	// Unimplemented
+	return nil
+}
+
+func (s serverConnection) SetReadDeadline(t time.Time) error {
+	// Unimplemented
+	return nil
+}
+
+func (s serverConnection) SetWriteDeadline(t time.Time) error {
+	// Unimplemented
+	return nil
+}
+
+func (s server) OnNewSession(ctx context.Context, sess request.Session, opts ...request.SessionOption) error {
+	s.addConn(&serverConnection{sess})
+	return nil
+}
+
+func (s server) SessionReceiver() request.SessionReceiver {
+	return s
+}
+
+func (s server) TripperReceiver() request.TripperReceiver {
+	return s.assembler
+}
+
+func listenRequest(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig, addConn internet.ConnHandler) (internet.Listener, error) {
+	transportConfiguration := streamSettings.ProtocolSettings.(*Config)
+	serverAssembly := &server{addConn: addConn}
+
+	assemblerConfigInstance, err := serial.GetInstanceOf(transportConfiguration.Assembler)
+	if err != nil {
+		return nil, newError("failed to get config instance of assembler").Base(err)
+	}
+	assembler, err := common.CreateObject(ctx, assemblerConfigInstance)
+	if err != nil {
+		return nil, newError("failed to create assembler").Base(err)
+	}
+	if typedAssembler, ok := assembler.(request.SessionAssemblerServer); !ok {
+		return nil, newError("failed to type assert assembler to SessionAssemblerServer")
+	} else {
+		serverAssembly.assembler = typedAssembler
+	}
+
+	roundtripperConfigInstance, err := serial.GetInstanceOf(transportConfiguration.Roundtripper)
+	if err != nil {
+		return nil, newError("failed to get config instance of roundtripper").Base(err)
+	}
+	roundtripper, err := common.CreateObject(ctx, roundtripperConfigInstance)
+	if err != nil {
+		return nil, newError("failed to create roundtripper").Base(err)
+	}
+	if typedRoundtripper, ok := roundtripper.(request.RoundTripperServer); !ok {
+		return nil, newError("failed to type assert roundtripper to RoundTripperServer")
+	} else {
+		serverAssembly.tripper = typedRoundtripper
+	}
+
+	serverAssembly.addr = address
+	serverAssembly.port = port
+	serverAssembly.streamSettings = streamSettings
+
+	serverAssembly.assembler.OnTransportServerAssemblyReady(serverAssembly)
+	serverAssembly.tripper.OnTransportServerAssemblyReady(serverAssembly)
+
+	if err := serverAssembly.tripper.Start(); err != nil {
+		return nil, newError("failed to start tripper").Base(err)
+	}
+
+	return serverAssembly, nil
+}
+
+func init() {
+	common.Must(internet.RegisterTransportListener(protocolName, listenRequest))
+}
diff --git a/transport/internet/request/options.go b/transport/internet/request/options.go
new file mode 100644
index 000000000..725b8fc21
--- /dev/null
+++ b/transport/internet/request/options.go
@@ -0,0 +1 @@
+package request
diff --git a/transport/internet/request/request.go b/transport/internet/request/request.go
new file mode 100644
index 000000000..b78418898
--- /dev/null
+++ b/transport/internet/request/request.go
@@ -0,0 +1,42 @@
+package request
+
+import (
+	"context"
+
+	"github.com/v2fly/v2ray-core/v5/common/net"
+)
+
+type TransportClientAssembly interface {
+	Tripper() Tripper
+	AutoImplDialer() Dialer
+}
+
+type TransportClientAssemblyReceiver interface {
+	OnTransportClientAssemblyReady(TransportClientAssembly)
+}
+
+type TransportServerAssembly interface {
+	TripperReceiver() TripperReceiver
+	SessionReceiver() SessionReceiver
+	AutoImplListener() Listener
+}
+
+type TransportServerAssemblyReceiver interface {
+	OnTransportServerAssemblyReady(TransportServerAssembly)
+}
+
+type SessionCreator interface {
+	NewSession(ctx context.Context, opts ...SessionOption) (Session, error)
+}
+
+type SessionReceiver interface {
+	OnNewSession(ctx context.Context, sess Session, opts ...SessionOption) error
+}
+
+type Dialer interface {
+	Dial(ctx context.Context) (net.Conn, error)
+}
+
+type Listener interface {
+	Listen(ctx context.Context) (net.Listener, error)
+}
diff --git a/transport/internet/request/roundtripper.go b/transport/internet/request/roundtripper.go
new file mode 100644
index 000000000..abb8f2f89
--- /dev/null
+++ b/transport/internet/request/roundtripper.go
@@ -0,0 +1,38 @@
+package request
+
+import (
+	"context"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+)
+
+type RoundTripperClient interface {
+	Tripper
+	TransportClientAssemblyReceiver
+}
+
+type RoundTripperServer interface {
+	common.Runnable
+	TransportServerAssemblyReceiver
+}
+
+type Tripper interface {
+	RoundTrip(ctx context.Context, req Request, opts ...RoundTripperOption) (resp Response, err error)
+}
+
+type TripperReceiver interface {
+	OnRoundTrip(ctx context.Context, req Request, opts ...RoundTripperOption) (resp Response, err error)
+}
+
+type RoundTripperOption interface {
+	RoundTripperOption()
+}
+
+type Request struct {
+	Data          []byte
+	ConnectionTag []byte
+}
+
+type Response struct {
+	Data []byte
+}
diff --git a/transport/internet/request/roundtripper/httprt/config.pb.go b/transport/internet/request/roundtripper/httprt/config.pb.go
new file mode 100644
index 000000000..a93feb0a9
--- /dev/null
+++ b/transport/internet/request/roundtripper/httprt/config.pb.go
@@ -0,0 +1,320 @@
+package httprt
+
+import (
+	_ "github.com/v2fly/v2ray-core/v5/common/protoext"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ClientConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Http *HTTPConfig `protobuf:"bytes,1,opt,name=http,proto3" json:"http,omitempty"`
+}
+
+func (x *ClientConfig) Reset() {
+	*x = ClientConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ClientConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientConfig) ProtoMessage() {}
+
+func (x *ClientConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientConfig.ProtoReflect.Descriptor instead.
+func (*ClientConfig) Descriptor() ([]byte, []int) {
+	return file_transport_internet_request_roundtripper_httprt_config_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ClientConfig) GetHttp() *HTTPConfig {
+	if x != nil {
+		return x.Http
+	}
+	return nil
+}
+
+type ServerConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Http                 *HTTPConfig `protobuf:"bytes,1,opt,name=http,proto3" json:"http,omitempty"`
+	NoDecodingSessionTag bool        `protobuf:"varint,2,opt,name=no_decoding_session_tag,json=noDecodingSessionTag,proto3" json:"no_decoding_session_tag,omitempty"`
+}
+
+func (x *ServerConfig) Reset() {
+	*x = ServerConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ServerConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServerConfig) ProtoMessage() {}
+
+func (x *ServerConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServerConfig.ProtoReflect.Descriptor instead.
+func (*ServerConfig) Descriptor() ([]byte, []int) {
+	return file_transport_internet_request_roundtripper_httprt_config_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *ServerConfig) GetHttp() *HTTPConfig {
+	if x != nil {
+		return x.Http
+	}
+	return nil
+}
+
+func (x *ServerConfig) GetNoDecodingSessionTag() bool {
+	if x != nil {
+		return x.NoDecodingSessionTag
+	}
+	return false
+}
+
+type HTTPConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Path      string `protobuf:"bytes,1,opt,name=path,proto3" json:"path,omitempty"`
+	UrlPrefix string `protobuf:"bytes,2,opt,name=urlPrefix,proto3" json:"urlPrefix,omitempty"`
+}
+
+func (x *HTTPConfig) Reset() {
+	*x = HTTPConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HTTPConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HTTPConfig) ProtoMessage() {}
+
+func (x *HTTPConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HTTPConfig.ProtoReflect.Descriptor instead.
+func (*HTTPConfig) Descriptor() ([]byte, []int) {
+	return file_transport_internet_request_roundtripper_httprt_config_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *HTTPConfig) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *HTTPConfig) GetUrlPrefix() string {
+	if x != nil {
+		return x.UrlPrefix
+	}
+	return ""
+}
+
+var File_transport_internet_request_roundtripper_httprt_config_proto protoreflect.FileDescriptor
+
+var file_transport_internet_request_roundtripper_httprt_config_proto_rawDesc = []byte{
+	0x0a, 0x3b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65,
+	0x72, 0x6e, 0x65, 0x74, 0x2f, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x2f, 0x72, 0x6f, 0x75,
+	0x6e, 0x64, 0x74, 0x72, 0x69, 0x70, 0x70, 0x65, 0x72, 0x2f, 0x68, 0x74, 0x74, 0x70, 0x72, 0x74,
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+	0x68, 0x74, 0x74, 0x70, 0x72, 0x74, 0xaa, 0x02, 0x39, 0x56, 0x32, 0x52, 0x61, 0x79, 0x2e, 0x43,
+	0x6f, 0x72, 0x65, 0x2e, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x2e, 0x52,
+	0x6f, 0x75, 0x6e, 0x64, 0x74, 0x72, 0x69, 0x70, 0x70, 0x65, 0x72, 0x2e, 0x68, 0x74, 0x74, 0x70,
+	0x72, 0x74, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_transport_internet_request_roundtripper_httprt_config_proto_rawDescOnce sync.Once
+	file_transport_internet_request_roundtripper_httprt_config_proto_rawDescData = file_transport_internet_request_roundtripper_httprt_config_proto_rawDesc
+)
+
+func file_transport_internet_request_roundtripper_httprt_config_proto_rawDescGZIP() []byte {
+	file_transport_internet_request_roundtripper_httprt_config_proto_rawDescOnce.Do(func() {
+		file_transport_internet_request_roundtripper_httprt_config_proto_rawDescData = protoimpl.X.CompressGZIP(file_transport_internet_request_roundtripper_httprt_config_proto_rawDescData)
+	})
+	return file_transport_internet_request_roundtripper_httprt_config_proto_rawDescData
+}
+
+var file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_transport_internet_request_roundtripper_httprt_config_proto_goTypes = []interface{}{
+	(*ClientConfig)(nil), // 0: v2ray.core.transport.internet.request.roundtripper.httprt.ClientConfig
+	(*ServerConfig)(nil), // 1: v2ray.core.transport.internet.request.roundtripper.httprt.ServerConfig
+	(*HTTPConfig)(nil),   // 2: v2ray.core.transport.internet.request.roundtripper.httprt.HTTPConfig
+}
+var file_transport_internet_request_roundtripper_httprt_config_proto_depIdxs = []int32{
+	2, // 0: v2ray.core.transport.internet.request.roundtripper.httprt.ClientConfig.http:type_name -> v2ray.core.transport.internet.request.roundtripper.httprt.HTTPConfig
+	2, // 1: v2ray.core.transport.internet.request.roundtripper.httprt.ServerConfig.http:type_name -> v2ray.core.transport.internet.request.roundtripper.httprt.HTTPConfig
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_transport_internet_request_roundtripper_httprt_config_proto_init() }
+func file_transport_internet_request_roundtripper_httprt_config_proto_init() {
+	if File_transport_internet_request_roundtripper_httprt_config_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ClientConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ServerConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*HTTPConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_transport_internet_request_roundtripper_httprt_config_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_transport_internet_request_roundtripper_httprt_config_proto_goTypes,
+		DependencyIndexes: file_transport_internet_request_roundtripper_httprt_config_proto_depIdxs,
+		MessageInfos:      file_transport_internet_request_roundtripper_httprt_config_proto_msgTypes,
+	}.Build()
+	File_transport_internet_request_roundtripper_httprt_config_proto = out.File
+	file_transport_internet_request_roundtripper_httprt_config_proto_rawDesc = nil
+	file_transport_internet_request_roundtripper_httprt_config_proto_goTypes = nil
+	file_transport_internet_request_roundtripper_httprt_config_proto_depIdxs = nil
+}
diff --git a/transport/internet/request/roundtripper/httprt/config.proto b/transport/internet/request/roundtripper/httprt/config.proto
new file mode 100644
index 000000000..ac2df25d6
--- /dev/null
+++ b/transport/internet/request/roundtripper/httprt/config.proto
@@ -0,0 +1,28 @@
+syntax = "proto3";
+
+package v2ray.core.transport.internet.request.roundtripper.httprt;
+option csharp_namespace = "V2Ray.Core.Transport.Internet.Request.Roundtripper.httprt";
+option go_package = "github.com/v2fly/v2ray-core/v5/transport/internet/request/roundtripper/httprt";
+option java_package = "com.v2ray.core.transport.internet.request.roundtripper.httprt";
+option java_multiple_files = true;
+
+import "common/protoext/extensions.proto";
+
+message ClientConfig {
+  option (v2ray.core.common.protoext.message_opt).type = "transport.request.roundtripper.client";
+  option (v2ray.core.common.protoext.message_opt).short_name = "httprt";
+
+  HTTPConfig http = 1;
+}
+
+message ServerConfig {
+  option (v2ray.core.common.protoext.message_opt).type = "transport.request.roundtripper.server";
+  option (v2ray.core.common.protoext.message_opt).short_name = "httprt";
+  HTTPConfig http = 1;
+  bool no_decoding_session_tag = 2;
+}
+
+message HTTPConfig {
+  string path = 1;
+  string urlPrefix = 2;
+}
\ No newline at end of file
diff --git a/transport/internet/request/roundtripper/httprt/errors.generated.go b/transport/internet/request/roundtripper/httprt/errors.generated.go
new file mode 100644
index 000000000..69a8bfd75
--- /dev/null
+++ b/transport/internet/request/roundtripper/httprt/errors.generated.go
@@ -0,0 +1,9 @@
+package httprt
+
+import "github.com/v2fly/v2ray-core/v5/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}
diff --git a/transport/internet/request/roundtripper/httprt/httprt.go b/transport/internet/request/roundtripper/httprt/httprt.go
new file mode 100644
index 000000000..a4968befc
--- /dev/null
+++ b/transport/internet/request/roundtripper/httprt/httprt.go
@@ -0,0 +1,146 @@
+package httprt
+
+//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
+
+import (
+	"bytes"
+	"context"
+	"encoding/base64"
+	"io"
+	"net/http"
+
+	"github.com/v2fly/v2ray-core/v5/common"
+
+	"github.com/v2fly/v2ray-core/v5/common/net"
+	"github.com/v2fly/v2ray-core/v5/transport/internet/request"
+)
+
+func newHTTPRoundTripperClient(ctx context.Context, config *ClientConfig) request.RoundTripperClient {
+	return &httpTripperClient{config: config}
+}
+
+type httpTripperClient struct {
+	httpRTT  http.RoundTripper
+	config   *ClientConfig
+	assembly request.TransportClientAssembly
+}
+
+func (h *httpTripperClient) OnTransportClientAssemblyReady(assembly request.TransportClientAssembly) {
+	h.assembly = assembly
+}
+
+func (h *httpTripperClient) RoundTrip(ctx context.Context, req request.Request, opts ...request.RoundTripperOption) (resp request.Response, err error) {
+	if h.httpRTT == nil {
+		h.httpRTT = &http.Transport{
+			DialContext: func(dialCtx context.Context, network, addr string) (net.Conn, error) {
+				return h.assembly.AutoImplDialer().Dial(ctx)
+			},
+			DialTLSContext: func(dialCtx context.Context, network, addr string) (net.Conn, error) {
+				return h.assembly.AutoImplDialer().Dial(ctx)
+			},
+		}
+	}
+
+	connectionTagStr := base64.RawURLEncoding.EncodeToString(req.ConnectionTag)
+
+	httpRequest, err := http.NewRequest("POST", h.config.Http.UrlPrefix+h.config.Http.Path, bytes.NewReader(req.Data))
+	if err != nil {
+		return
+	}
+
+	httpRequest.Header.Set("X-Session-ID", connectionTagStr)
+
+	httpResp, err := h.httpRTT.RoundTrip(httpRequest)
+	if err != nil {
+		return
+	}
+	defer httpResp.Body.Close()
+	result, err := io.ReadAll(httpResp.Body)
+	if err != nil {
+		return
+	}
+	return request.Response{Data: result}, err
+}
+
+func newHTTPRoundTripperServer(ctx context.Context, config *ServerConfig) request.RoundTripperServer {
+	return &httpTripperServer{ctx: ctx, config: config}
+}
+
+type httpTripperServer struct {
+	ctx      context.Context
+	listener net.Listener
+	assembly request.TransportServerAssembly
+
+	listenAddress net.Addr
+	config        *ServerConfig
+}
+
+func (h *httpTripperServer) OnTransportServerAssemblyReady(assembly request.TransportServerAssembly) {
+	h.assembly = assembly
+}
+
+func (h *httpTripperServer) ServeHTTP(writer http.ResponseWriter, r *http.Request) {
+	h.onRequest(writer, r)
+}
+
+func (h *httpTripperServer) onRequest(resp http.ResponseWriter, req *http.Request) {
+	tail := req.Header.Get("X-Session-ID")
+	data := []byte(tail)
+	if !h.config.NoDecodingSessionTag {
+		decodedData, err := base64.RawURLEncoding.DecodeString(tail)
+		if err != nil {
+			newError("unable to decode tag").Base(err).AtInfo().WriteToLog()
+			return
+		}
+		data = decodedData
+	}
+	body, err := io.ReadAll(req.Body)
+	req.Body.Close()
+	if err != nil {
+		newError("unable to read body").Base(err).AtInfo().WriteToLog()
+	}
+	recvResp, err := h.assembly.TripperReceiver().OnRoundTrip(h.ctx, request.Request{Data: body, ConnectionTag: data})
+	if err != nil {
+		newError("unable to process roundtrip").Base(err).AtInfo().WriteToLog()
+	}
+	_, err = io.Copy(resp, bytes.NewReader(recvResp.Data))
+	if err != nil {
+		newError("unable to send response").Base(err).AtInfo().WriteToLog()
+	}
+}
+
+func (h *httpTripperServer) Start() error {
+	listener, err := h.assembly.AutoImplListener().Listen(h.ctx)
+	if err != nil {
+		return newError("unable to create a listener for http tripper server").Base(err)
+	}
+	h.listener = listener
+	go func() {
+		err := http.Serve(listener, h)
+		if err != nil {
+			newError("unable to serve listener for http tripper server").Base(err).WriteToLog()
+		}
+	}()
+	return nil
+}
+
+func (h *httpTripperServer) Close() error {
+	return h.listener.Close()
+}
+
+func init() {
+	common.Must(common.RegisterConfig((*ClientConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		clientConfig, ok := config.(*ClientConfig)
+		if !ok {
+			return nil, newError("not a ClientConfig")
+		}
+		return newHTTPRoundTripperClient(ctx, clientConfig), nil
+	}))
+	common.Must(common.RegisterConfig((*ServerConfig)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
+		serverConfig, ok := config.(*ServerConfig)
+		if !ok {
+			return nil, newError("not a ServerConfig")
+		}
+		return newHTTPRoundTripperServer(ctx, serverConfig), nil
+	}))
+}
diff --git a/transport/internet/transportcommon/dialer.go b/transport/internet/transportcommon/dialer.go
new file mode 100644
index 000000000..412c0c553
--- /dev/null
+++ b/transport/internet/transportcommon/dialer.go
@@ -0,0 +1,34 @@
+package transportcommon
+
+import (
+	"context"
+
+	"github.com/v2fly/v2ray-core/v5/transport/internet/security"
+
+	"github.com/v2fly/v2ray-core/v5/common/environment"
+	"github.com/v2fly/v2ray-core/v5/common/environment/envctx"
+
+	"github.com/v2fly/v2ray-core/v5/common/net"
+	"github.com/v2fly/v2ray-core/v5/transport/internet"
+)
+
+func DialWithSecuritySettings(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
+	transportEnvironment := envctx.EnvironmentFromContext(ctx).(environment.TransportEnvironment)
+	dialer := transportEnvironment.Dialer()
+	conn, err := dialer.Dial(ctx, nil, dest, streamSettings.SocketSettings)
+	if err != nil {
+		return nil, newError("failed to dial to ", dest).Base(err)
+	}
+	securityEngine, err := security.CreateSecurityEngineFromSettings(ctx, streamSettings)
+	if err != nil {
+		return nil, newError("unable to create security engine").Base(err)
+	}
+
+	if securityEngine != nil {
+		conn, err = securityEngine.Client(conn, security.OptionWithDestination{Dest: dest})
+		if err != nil {
+			return nil, newError("unable to create security protocol client from security engine").Base(err)
+		}
+	}
+	return internet.Connection(conn), nil
+}
diff --git a/transport/internet/transportcommon/errors.generated.go b/transport/internet/transportcommon/errors.generated.go
new file mode 100644
index 000000000..b48153a2e
--- /dev/null
+++ b/transport/internet/transportcommon/errors.generated.go
@@ -0,0 +1,9 @@
+package transportcommon
+
+import "github.com/v2fly/v2ray-core/v5/common/errors"
+
+type errPathObjHolder struct{}
+
+func newError(values ...interface{}) *errors.Error {
+	return errors.New(values...).WithPathObj(errPathObjHolder{})
+}
diff --git a/transport/internet/transportcommon/listener.go b/transport/internet/transportcommon/listener.go
new file mode 100644
index 000000000..9c5c6e6a6
--- /dev/null
+++ b/transport/internet/transportcommon/listener.go
@@ -0,0 +1,62 @@
+package transportcommon
+
+import (
+	"context"
+
+	"github.com/v2fly/v2ray-core/v5/common/environment"
+	"github.com/v2fly/v2ray-core/v5/common/environment/envctx"
+	"github.com/v2fly/v2ray-core/v5/common/net"
+	"github.com/v2fly/v2ray-core/v5/common/session"
+	"github.com/v2fly/v2ray-core/v5/transport/internet"
+)
+
+type combinedListener struct {
+	net.Listener
+	locker *internet.FileLocker
+}
+
+func (l *combinedListener) Close() error {
+	if l.locker != nil {
+		l.locker.Release()
+	}
+	return l.Listener.Close()
+}
+
+func ListenWithSecuritySettings(ctx context.Context, address net.Address, port net.Port, streamSettings *internet.MemoryStreamConfig) (
+	net.Listener, error) {
+	var l combinedListener
+
+	transportEnvironment := envctx.EnvironmentFromContext(ctx).(environment.TransportEnvironment)
+	transportListener := transportEnvironment.Listener()
+
+	if port == net.Port(0) { // unix
+		listener, err := transportListener.Listen(ctx, &net.UnixAddr{
+			Name: address.Domain(),
+			Net:  "unix",
+		}, streamSettings.SocketSettings)
+		if err != nil {
+			return nil, newError("failed to listen unix domain socket on ", address).Base(err)
+		}
+		newError("listening unix domain socket on ", address).WriteToLog(session.ExportIDToError(ctx))
+		locker := ctx.Value(address.Domain())
+		if locker != nil {
+			l.locker = locker.(*internet.FileLocker)
+		}
+		l.Listener = listener
+	} else { // tcp
+		listener, err := transportListener.Listen(ctx, &net.TCPAddr{
+			IP:   address.IP(),
+			Port: int(port),
+		}, streamSettings.SocketSettings)
+		if err != nil {
+			return nil, newError("failed to listen TCP on ", address, ":", port).Base(err)
+		}
+		newError("listening TCP on ", address, ":", port).WriteToLog(session.ExportIDToError(ctx))
+		l.Listener = listener
+	}
+
+	if streamSettings.SocketSettings != nil && streamSettings.SocketSettings.AcceptProxyProtocol {
+		newError("accepting PROXY protocol").AtWarning().WriteToLog(session.ExportIDToError(ctx))
+	}
+	return &l, nil
+}
diff --git a/transport/internet/transportcommon/tansportcommon.go b/transport/internet/transportcommon/tansportcommon.go
new file mode 100644
index 000000000..13d0e143c
--- /dev/null
+++ b/transport/internet/transportcommon/tansportcommon.go
@@ -0,0 +1,3 @@
+package transportcommon
+
+//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen