diff --git a/app/router/rules/router.go b/app/router/rules/router.go
index 92833aeb..d1045a6a 100644
--- a/app/router/rules/router.go
+++ b/app/router/rules/router.go
@@ -49,7 +49,7 @@ func (this *Router) ResolveIP(dest v2net.Destination) []v2net.Destination {
 	}
 	dests := make([]v2net.Destination, len(ips))
 	for idx, ip := range ips {
-		if dest.Network() == v2net.TCPNetwork {
+		if dest.Network() == v2net.Network_TCP {
 			dests[idx] = v2net.TCPDestination(v2net.IPAddress(ip), dest.Port())
 		} else {
 			dests[idx] = v2net.UDPDestination(v2net.IPAddress(ip), dest.Port())
diff --git a/app/router/rules/router_test.go b/app/router/rules/router_test.go
index 1c9a978a..1429e837 100644
--- a/app/router/rules/router_test.go
+++ b/app/router/rules/router_test.go
@@ -21,7 +21,7 @@ func TestSimpleRouter(t *testing.T) {
 		Rules: []*Rule{
 			{
 				Tag:       "test",
-				Condition: NewNetworkMatcher(v2net.Network("tcp").AsList()),
+				Condition: NewNetworkMatcher(v2net.Network_TCP.AsList()),
 			},
 		},
 	}
diff --git a/common/net/address.pb.go b/common/net/address.pb.go
index 3397ad97..634b6dfd 100644
--- a/common/net/address.pb.go
+++ b/common/net/address.pb.go
@@ -7,6 +7,8 @@ Package net is a generated protocol buffer package.
 
 It is generated from these files:
 	v2ray.com/core/common/net/address.proto
+	v2ray.com/core/common/net/destination.proto
+	v2ray.com/core/common/net/network.proto
 	v2ray.com/core/common/net/port.proto
 
 It has these top-level messages:
diff --git a/common/net/destination.go b/common/net/destination.go
index 687c456e..910899ef 100644
--- a/common/net/destination.go
+++ b/common/net/destination.go
@@ -44,7 +44,7 @@ type tcpDestination struct {
 }
 
 func (dest *tcpDestination) Network() Network {
-	return TCPNetwork
+	return Network_TCP
 }
 
 func (dest *tcpDestination) Address() Address {
@@ -78,7 +78,7 @@ func (dest *tcpDestination) Equals(another Destination) bool {
 	if dest == nil || another == nil {
 		return false
 	}
-	if another.Network() != TCPNetwork {
+	if another.Network() != Network_TCP {
 		return false
 	}
 	return dest.Port() == another.Port() && dest.Address().Equals(another.Address())
@@ -90,7 +90,7 @@ type udpDestination struct {
 }
 
 func (dest *udpDestination) Network() Network {
-	return UDPNetwork
+	return Network_UDP
 }
 
 func (dest *udpDestination) Address() Address {
@@ -124,7 +124,7 @@ func (dest *udpDestination) Equals(another Destination) bool {
 	if dest == nil || another == nil {
 		return false
 	}
-	if another.Network() != UDPNetwork {
+	if another.Network() != Network_UDP {
 		return false
 	}
 	return dest.Port() == another.Port() && dest.Address().Equals(another.Address())
diff --git a/common/net/destination.pb.go b/common/net/destination.pb.go
new file mode 100644
index 00000000..e65d433a
--- /dev/null
+++ b/common/net/destination.pb.go
@@ -0,0 +1,27 @@
+// Code generated by protoc-gen-go.
+// source: v2ray.com/core/common/net/destination.proto
+// DO NOT EDIT!
+
+package net
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+func init() { proto.RegisterFile("v2ray.com/core/common/net/destination.proto", fileDescriptor1) }
+
+var fileDescriptor1 = []byte{
+	// 98 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xd2, 0x2e, 0x33, 0x2a, 0x4a,
+	0xac, 0xd4, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0x2f, 0x4a, 0xd5, 0x4f, 0xce, 0xcf, 0xcd, 0xcd,
+	0xcf, 0xd3, 0xcf, 0x4b, 0x2d, 0xd1, 0x4f, 0x49, 0x2d, 0x2e, 0xc9, 0xcc, 0x4b, 0x2c, 0xc9, 0xcc,
+	0xcf, 0xd3, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x92, 0x4c, 0xce, 0xcf, 0xd5, 0x83, 0x69, 0x28,
+	0x4a, 0xd5, 0x83, 0x28, 0xd6, 0xcb, 0x4b, 0x2d, 0x71, 0x62, 0x8d, 0x62, 0xce, 0x4b, 0x2d, 0x49,
+	0x62, 0x03, 0x2b, 0x34, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0x95, 0x64, 0x1f, 0x93, 0x57, 0x00,
+	0x00, 0x00,
+}
diff --git a/common/net/destination.proto b/common/net/destination.proto
new file mode 100644
index 00000000..c5688e64
--- /dev/null
+++ b/common/net/destination.proto
@@ -0,0 +1,4 @@
+syntax = "proto3";
+
+package com.v2ray.core.common.net;
+option go_package = "net";
diff --git a/common/net/network.go b/common/net/network.go
index ae42a946..2f9643fa 100644
--- a/common/net/network.go
+++ b/common/net/network.go
@@ -6,30 +6,38 @@ import (
 	"v2ray.com/core/common/collect"
 )
 
-const (
-	// TCPNetwork represents the TCP network.
-	TCPNetwork = Network("tcp")
-
-	// UDPNetwork represents the UDP network.
-	UDPNetwork = Network("udp")
-
-	// KCPNetwork represents the KCP network.
-	KCPNetwork = Network("kcp")
-
-	// WSNetwork represents the Websocket over HTTP network.
-	WSNetwork = Network("ws")
-)
-
-// Network represents a communication network on internet.
-type Network string
+func ParseNetwork(nwStr string) Network {
+	if network, found := Network_value[nwStr]; found {
+		return Network(network)
+	}
+	switch strings.ToLower(nwStr) {
+	case "tcp":
+		return Network_TCP
+	case "udp":
+		return Network_UDP
+	case "kcp":
+		return Network_KCP
+	case "ws":
+		return Network_WebSocket
+	default:
+		return Network_Unknown
+	}
+}
 
 func (this Network) AsList() *NetworkList {
 	list := NetworkList([]Network{this})
 	return &list
 }
 
-func (this Network) String() string {
-	return string(this)
+func (this Network) SystemString() string {
+	switch this {
+	case Network_TCP, Network_RawTCP:
+		return "tcp"
+	case Network_UDP, Network_KCP:
+		return "udp"
+	default:
+		return "unknown"
+	}
 }
 
 // NetworkList is a list of Networks.
@@ -39,7 +47,7 @@ type NetworkList []Network
 func NewNetworkList(networks collect.StringList) NetworkList {
 	list := NetworkList(make([]Network, networks.Len()))
 	for idx, network := range networks {
-		list[idx] = Network(strings.ToLower(strings.TrimSpace(network)))
+		list[idx] = ParseNetwork(network)
 	}
 	return list
 }
diff --git a/common/net/network.pb.go b/common/net/network.pb.go
new file mode 100644
index 00000000..ac275c8a
--- /dev/null
+++ b/common/net/network.pb.go
@@ -0,0 +1,67 @@
+// Code generated by protoc-gen-go.
+// source: v2ray.com/core/common/net/network.proto
+// DO NOT EDIT!
+
+package net
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type Network int32
+
+const (
+	Network_Unknown   Network = 0
+	Network_RawTCP    Network = 1
+	Network_TCP       Network = 2
+	Network_UDP       Network = 3
+	Network_KCP       Network = 4
+	Network_WebSocket Network = 5
+)
+
+var Network_name = map[int32]string{
+	0: "Unknown",
+	1: "RawTCP",
+	2: "TCP",
+	3: "UDP",
+	4: "KCP",
+	5: "WebSocket",
+}
+var Network_value = map[string]int32{
+	"Unknown":   0,
+	"RawTCP":    1,
+	"TCP":       2,
+	"UDP":       3,
+	"KCP":       4,
+	"WebSocket": 5,
+}
+
+func (x Network) String() string {
+	return proto.EnumName(Network_name, int32(x))
+}
+func (Network) EnumDescriptor() ([]byte, []int) { return fileDescriptor2, []int{0} }
+
+func init() {
+	proto.RegisterEnum("com.v2ray.core.common.net.Network", Network_name, Network_value)
+}
+
+func init() { proto.RegisterFile("v2ray.com/core/common/net/network.proto", fileDescriptor2) }
+
+var fileDescriptor2 = []byte{
+	// 159 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x52, 0x2f, 0x33, 0x2a, 0x4a,
+	0xac, 0xd4, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0x2f, 0x4a, 0xd5, 0x4f, 0xce, 0xcf, 0xcd, 0xcd,
+	0xcf, 0xd3, 0xcf, 0x4b, 0x2d, 0x01, 0xe1, 0xf2, 0xfc, 0xa2, 0x6c, 0xbd, 0x82, 0xa2, 0xfc, 0x92,
+	0x7c, 0x21, 0xc9, 0xe4, 0xfc, 0x5c, 0x3d, 0x98, 0xe2, 0xa2, 0x54, 0x3d, 0x88, 0x42, 0xbd, 0xbc,
+	0xd4, 0x12, 0x2d, 0x1f, 0x2e, 0x76, 0x3f, 0x88, 0x5a, 0x21, 0x6e, 0x2e, 0xf6, 0xd0, 0xbc, 0xec,
+	0xbc, 0xfc, 0xf2, 0x3c, 0x01, 0x06, 0x21, 0x2e, 0x2e, 0xb6, 0xa0, 0xc4, 0xf2, 0x10, 0xe7, 0x00,
+	0x01, 0x46, 0x21, 0x76, 0x2e, 0x66, 0x10, 0x83, 0x09, 0xc4, 0x08, 0x75, 0x09, 0x10, 0x60, 0x06,
+	0x31, 0xbc, 0x9d, 0x03, 0x04, 0x58, 0x84, 0x78, 0xb9, 0x38, 0xc3, 0x53, 0x93, 0x82, 0xf3, 0x93,
+	0xb3, 0x53, 0x4b, 0x04, 0x58, 0x9d, 0x58, 0xa3, 0x98, 0xf3, 0x52, 0x4b, 0x92, 0xd8, 0xc0, 0xd6,
+	0x1a, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x83, 0xa9, 0x75, 0xb3, 0xa1, 0x00, 0x00, 0x00,
+}
diff --git a/common/net/network.proto b/common/net/network.proto
new file mode 100644
index 00000000..c1cee180
--- /dev/null
+++ b/common/net/network.proto
@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package com.v2ray.core.common.net;
+option go_package = "net";
+
+enum Network {
+  Unknown = 0;
+  RawTCP = 1;
+  TCP = 2;
+  UDP = 3;
+  KCP = 4;
+  WebSocket = 5;
+}
\ No newline at end of file
diff --git a/common/net/network_json_test.go b/common/net/network_json_test.go
index f02554fa..d4f192d5 100644
--- a/common/net/network_json_test.go
+++ b/common/net/network_json_test.go
@@ -16,8 +16,8 @@ func TestArrayNetworkList(t *testing.T) {
 	var list NetworkList
 	err := json.Unmarshal([]byte("[\"Tcp\"]"), &list)
 	assert.Error(err).IsNil()
-	assert.Bool(list.HasNetwork(Network("tcp"))).IsTrue()
-	assert.Bool(list.HasNetwork(Network("udp"))).IsFalse()
+	assert.Bool(list.HasNetwork(ParseNetwork("tcp"))).IsTrue()
+	assert.Bool(list.HasNetwork(ParseNetwork("udp"))).IsFalse()
 }
 
 func TestStringNetworkList(t *testing.T) {
@@ -26,8 +26,8 @@ func TestStringNetworkList(t *testing.T) {
 	var list NetworkList
 	err := json.Unmarshal([]byte("\"TCP, ip\""), &list)
 	assert.Error(err).IsNil()
-	assert.Bool(list.HasNetwork(Network("tcp"))).IsTrue()
-	assert.Bool(list.HasNetwork(Network("udp"))).IsFalse()
+	assert.Bool(list.HasNetwork(ParseNetwork("tcp"))).IsTrue()
+	assert.Bool(list.HasNetwork(ParseNetwork("udp"))).IsFalse()
 }
 
 func TestInvalidNetworkJson(t *testing.T) {
diff --git a/common/net/port.pb.go b/common/net/port.pb.go
index 405247c6..b9045908 100644
--- a/common/net/port.pb.go
+++ b/common/net/port.pb.go
@@ -22,15 +22,15 @@ type PortRange struct {
 func (m *PortRange) Reset()                    { *m = PortRange{} }
 func (m *PortRange) String() string            { return proto.CompactTextString(m) }
 func (*PortRange) ProtoMessage()               {}
-func (*PortRange) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{0} }
+func (*PortRange) Descriptor() ([]byte, []int) { return fileDescriptor3, []int{0} }
 
 func init() {
 	proto.RegisterType((*PortRange)(nil), "com.v2ray.core.common.net.PortRange")
 }
 
-func init() { proto.RegisterFile("v2ray.com/core/common/net/port.proto", fileDescriptor1) }
+func init() { proto.RegisterFile("v2ray.com/core/common/net/port.proto", fileDescriptor3) }
 
-var fileDescriptor1 = []byte{
+var fileDescriptor3 = []byte{
 	// 137 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x34, 0xcc, 0xb1, 0x0a, 0xc2, 0x40,
 	0x0c, 0x87, 0x71, 0x7a, 0x56, 0xc1, 0x03, 0x1d, 0x6e, 0xaa, 0x9b, 0x88, 0x83, 0x53, 0x02, 0xfa,
diff --git a/proxy/dokodemo/dokodemo.go b/proxy/dokodemo/dokodemo.go
index 94129cd4..4e04e8f0 100644
--- a/proxy/dokodemo/dokodemo.go
+++ b/proxy/dokodemo/dokodemo.go
@@ -73,13 +73,13 @@ func (this *DokodemoDoor) Start() error {
 	}
 	this.accepting = true
 
-	if this.config.Network.HasNetwork(v2net.TCPNetwork) {
+	if this.config.Network.HasNetwork(v2net.Network_TCP) {
 		err := this.ListenTCP()
 		if err != nil {
 			return err
 		}
 	}
-	if this.config.Network.HasNetwork(v2net.UDPNetwork) {
+	if this.config.Network.HasNetwork(v2net.Network_UDP) {
 		err := this.ListenUDP()
 		if err != nil {
 			return err
diff --git a/proxy/dokodemo/dokodemo_test.go b/proxy/dokodemo/dokodemo_test.go
index 6eab8e90..6e2002ad 100644
--- a/proxy/dokodemo/dokodemo_test.go
+++ b/proxy/dokodemo/dokodemo_test.go
@@ -56,7 +56,7 @@ func TestDokodemoTCP(t *testing.T) {
 	dokodemo := NewDokodemoDoor(&Config{
 		Address: v2net.LocalHostIP,
 		Port:    tcpServer.Port,
-		Network: v2net.TCPNetwork.AsList(),
+		Network: v2net.Network_TCP.AsList(),
 		Timeout: 600,
 	}, space, &proxy.InboundHandlerMeta{
 		Address: v2net.LocalHostIP,
@@ -126,7 +126,7 @@ func TestDokodemoUDP(t *testing.T) {
 	dokodemo := NewDokodemoDoor(&Config{
 		Address: v2net.LocalHostIP,
 		Port:    udpServer.Port,
-		Network: v2net.UDPNetwork.AsList(),
+		Network: v2net.Network_UDP.AsList(),
 		Timeout: 600,
 	}, space, &proxy.InboundHandlerMeta{
 		Address: v2net.LocalHostIP,
diff --git a/proxy/freedom/freedom.go b/proxy/freedom/freedom.go
index 3b58a564..997c95fe 100644
--- a/proxy/freedom/freedom.go
+++ b/proxy/freedom/freedom.go
@@ -58,7 +58,7 @@ func (this *FreedomConnection) ResolveIP(destination v2net.Destination) v2net.De
 
 	ip := ips[dice.Roll(len(ips))]
 	var newDest v2net.Destination
-	if destination.Network() == v2net.TCPNetwork {
+	if destination.Network() == v2net.Network_TCP {
 		newDest = v2net.TCPDestination(v2net.IPAddress(ip), destination.Port())
 	} else {
 		newDest = v2net.UDPDestination(v2net.IPAddress(ip), destination.Port())
@@ -112,7 +112,7 @@ func (this *FreedomConnection) Dispatch(destination v2net.Destination, payload *
 	var reader io.Reader = conn
 
 	timeout := this.timeout
-	if destination.Network() == v2net.UDPNetwork {
+	if destination.Network() == v2net.Network_UDP {
 		timeout = 16
 	}
 	if timeout > 0 {
diff --git a/proxy/vmess/outbound/outbound.go b/proxy/vmess/outbound/outbound.go
index e2266728..7607c527 100644
--- a/proxy/vmess/outbound/outbound.go
+++ b/proxy/vmess/outbound/outbound.go
@@ -49,7 +49,7 @@ func (this *VMessOutboundHandler) Dispatch(target v2net.Destination, payload *al
 	log.Info("VMess|Outbound: Tunneling request to ", target, " via ", rec.Destination())
 
 	command := protocol.RequestCommandTCP
-	if target.Network() == v2net.UDPNetwork {
+	if target.Network() == v2net.Network_UDP {
 		command = protocol.RequestCommandUDP
 	}
 	request := &protocol.RequestHeader{
diff --git a/testing/assert/destination.go b/testing/assert/destination.go
index 4350fdf5..8d980c2d 100644
--- a/testing/assert/destination.go
+++ b/testing/assert/destination.go
@@ -20,25 +20,25 @@ type DestinationSubject struct {
 }
 
 func (this *DestinationSubject) IsTCP() {
-	if this.value.Network() != v2net.TCPNetwork {
+	if this.value.Network() != v2net.Network_TCP {
 		this.Fail("is", "a TCP destination")
 	}
 }
 
 func (this *DestinationSubject) IsNotTCP() {
-	if this.value.Network() == v2net.TCPNetwork {
+	if this.value.Network() == v2net.Network_TCP {
 		this.Fail("is not", "a TCP destination")
 	}
 }
 
 func (this *DestinationSubject) IsUDP() {
-	if this.value.Network() != v2net.UDPNetwork {
+	if this.value.Network() != v2net.Network_UDP {
 		this.Fail("is", "a UDP destination")
 	}
 }
 
 func (this *DestinationSubject) IsNotUDP() {
-	if this.value.Network() == v2net.UDPNetwork {
+	if this.value.Network() == v2net.Network_UDP {
 		this.Fail("is not", "a UDP destination")
 	}
 }
diff --git a/transport/internet/connection_json.go b/transport/internet/connection_json.go
index ef8e8930..f21901f2 100644
--- a/transport/internet/connection_json.go
+++ b/transport/internet/connection_json.go
@@ -47,13 +47,13 @@ func (this *StreamSettings) UnmarshalJSON(data []byte) error {
 	if err := json.Unmarshal(data, jsonConfig); err != nil {
 		return err
 	}
-	if jsonConfig.Network.HasNetwork(v2net.KCPNetwork) {
+	if jsonConfig.Network.HasNetwork(v2net.Network_KCP) {
 		this.Type |= StreamConnectionTypeKCP
 	}
-	if jsonConfig.Network.HasNetwork(v2net.WSNetwork) {
+	if jsonConfig.Network.HasNetwork(v2net.Network_WebSocket) {
 		this.Type |= StreamConnectionTypeWebSocket
 	}
-	if jsonConfig.Network.HasNetwork(v2net.TCPNetwork) {
+	if jsonConfig.Network.HasNetwork(v2net.Network_TCP) {
 		this.Type |= StreamConnectionTypeTCP
 	}
 	this.Security = StreamSecurityTypeNone
diff --git a/transport/internet/dialer.go b/transport/internet/dialer.go
index c4336151..8b277b4c 100644
--- a/transport/internet/dialer.go
+++ b/transport/internet/dialer.go
@@ -27,7 +27,7 @@ func Dial(src v2net.Address, dest v2net.Destination, settings *StreamSettings) (
 
 	var connection Connection
 	var err error
-	if dest.Network() == v2net.TCPNetwork {
+	if dest.Network() == v2net.Network_TCP {
 		switch {
 		case settings.IsCapableOf(StreamConnectionTypeTCP):
 			connection, err = TCPDialer(src, dest)
diff --git a/transport/internet/system_dialer.go b/transport/internet/system_dialer.go
index bff78b0f..224a3863 100644
--- a/transport/internet/system_dialer.go
+++ b/transport/internet/system_dialer.go
@@ -25,7 +25,7 @@ func (this *DefaultSystemDialer) Dial(src v2net.Address, dest v2net.Destination)
 	}
 	if src != nil && src != v2net.AnyIP {
 		var addr net.Addr
-		if dest.Network() == v2net.TCPNetwork {
+		if dest.Network() == v2net.Network_TCP {
 			addr = &net.TCPAddr{
 				IP:   src.IP(),
 				Port: 0,
@@ -38,7 +38,7 @@ func (this *DefaultSystemDialer) Dial(src v2net.Address, dest v2net.Destination)
 		}
 		dialer.LocalAddr = addr
 	}
-	return dialer.Dial(dest.Network().String(), dest.NetAddr())
+	return dialer.Dial(dest.Network().SystemString(), dest.NetAddr())
 }
 
 type SystemDialerAdapter interface {
@@ -56,7 +56,7 @@ func WithAdapter(dialer SystemDialerAdapter) SystemDialer {
 }
 
 func (this *SimpleSystemDialer) Dial(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
-	return this.adapter.Dial(dest.Network().String(), dest.NetAddr())
+	return this.adapter.Dial(dest.Network().SystemString(), dest.NetAddr())
 }
 
 // UseAlternativeSystemDialer replaces the current system dialer with a given one.
diff --git a/transport/internet/tcp/dialer.go b/transport/internet/tcp/dialer.go
index 76cd1d65..a5310f9e 100644
--- a/transport/internet/tcp/dialer.go
+++ b/transport/internet/tcp/dialer.go
@@ -19,7 +19,7 @@ func Dial(src v2net.Address, dest v2net.Destination) (internet.Connection, error
 	}
 	id := src.String() + "-" + dest.NetAddr()
 	var conn net.Conn
-	if dest.Network() == v2net.TCPNetwork && effectiveConfig.ConnectionReuse {
+	if dest.Network() == v2net.Network_TCP && effectiveConfig.ConnectionReuse {
 		conn = globalCache.Get(id)
 	}
 	if conn == nil {
diff --git a/transport/internet/ws/dialer.go b/transport/internet/ws/dialer.go
index 8a26ce01..68efae38 100644
--- a/transport/internet/ws/dialer.go
+++ b/transport/internet/ws/dialer.go
@@ -23,7 +23,7 @@ func Dial(src v2net.Address, dest v2net.Destination) (internet.Connection, error
 	}
 	id := src.String() + "-" + dest.NetAddr()
 	var conn *wsconn
-	if dest.Network() == v2net.TCPNetwork && effectiveConfig.ConnectionReuse {
+	if dest.Network() == v2net.Network_TCP && effectiveConfig.ConnectionReuse {
 		connt := globalCache.Get(id)
 		if connt != nil {
 			conn = connt.(*wsconn)