diff --git a/examples/system.yaml b/examples/system.yaml
index 845ef3ba..6d82c924 100644
--- a/examples/system.yaml
+++ b/examples/system.yaml
@@ -277,7 +277,7 @@
 - kind: block
   name: specs_watch
   specs:
-    - kind: gateway
+    - kind: upgrader
       name: websocket
       protocol: websocket
 
@@ -477,7 +477,7 @@
 - kind: block
   name: values_watch
   specs:
-    - kind: gateway
+    - kind: upgrader
       name: websocket
       protocol: websocket
 
diff --git a/examples/wsproxy.yaml b/examples/wsproxy.yaml
index 027db0bb..f6470a3e 100644
--- a/examples/wsproxy.yaml
+++ b/examples/wsproxy.yaml
@@ -27,13 +27,13 @@
       port: out[0]
   ports:
     out[0]:
-      - name: gateway
+      - name: upgrader
         port: io
       - name: proxy
         port: io
 
-- kind: gateway
-  name: gateway
+- kind: upgrader
+  name: upgrader
   protocol: websocket
   ports:
     out:
@@ -45,5 +45,5 @@
   url: wss://echo.websocket.org/
   ports:
     out:
-      - name: gateway
+      - name: upgrader
         port: in
diff --git a/ext/README.md b/ext/README.md
index 301242d5..67b6b2d4 100644
--- a/ext/README.md
+++ b/ext/README.md
@@ -43,7 +43,7 @@ Facilitates smooth execution of network-related tasks across various protocols.
 
 - **[HTTP Node](./docs/http_node.md)**: Processes HTTP requests and returns responses, suitable for web service communication.
 - **[WebSocket Node](./docs/websocket_node.md)**: Establishes WebSocket connections and handles message sending and receiving.
-- **[Gateway Node](./docs/gateway_node.md)**: Upgrades HTTP connections to WebSocket for real-time data communication.
+- **[Upgrade Node](./docs/upgrade_node.md)**: Upgrades HTTP connections to WebSocket for real-time data communication.
 - **[Listener Node](./docs/listener_node.md)**: Receives network requests on specified protocols and ports.
 - **[Router Node](./docs/router_node.md)**: Routes input packets to multiple output ports based on conditions.
 
diff --git a/ext/README_kr.md b/ext/README_kr.md
index 1711bf36..864632b3 100644
--- a/ext/README_kr.md
+++ b/ext/README_kr.md
@@ -40,7 +40,7 @@
 
 - **[HTTP 노드](./docs/http_node_kr.md)**: HTTP 요청을 처리하고 응답을 반환하여 웹 서비스와 통신합니다.
 - **[WebSocket 노드](./docs/websocket_node_kr.md)**: WebSocket 연결을 설정하고 메시지를 송수신합니다.
-- **[Gateway 노드](./docs/gateway_node_kr.md)**: HTTP 연결을 WebSocket으로 업그레이드하여 실시간 데이터 통신을 지원합니다.
+- **[Upgrade 노드](./docs/upgrade_node_kr.md)**: HTTP 연결을 WebSocket으로 업그레이드하여 실시간 데이터 통신을 지원합니다.
 - **[Listener 노드](./docs/listener_node_kr.md)**: 지정된 프로토콜과 포트에서 네트워크 요청을 수신합니다.
 - **[Router 노드](./docs/router_node_kr.md)**: 입력 패킷을 조건에 따라 여러 출력 포트로 라우팅합니다.
 
diff --git a/ext/docs/gateway_node.md b/ext/docs/upgrader_node.md
similarity index 85%
rename from ext/docs/gateway_node.md
rename to ext/docs/upgrader_node.md
index cb62ce67..f66908a5 100644
--- a/ext/docs/gateway_node.md
+++ b/ext/docs/upgrader_node.md
@@ -1,6 +1,7 @@
-# Gateway Node
+# Upgrade Node
 
-**The Gateway Node** provides the capability to upgrade network protocols to other protocols, primarily converting HTTP connections to WebSocket connections to support real-time data communication.
+**The Upgrade Node** provides the capability to upgrade network protocols to other protocols, primarily converting HTTP
+connections to WebSocket connections to support real-time data communication.
 
 ## Specification
 
@@ -47,13 +48,13 @@
       port: out[0]
   ports:
     out[0]:
-      - name: gateway
+      - name: upgrader
         port: io
       - name: proxy
         port: io
 
-- kind: gateway
-  name: gateway
+- kind: upgrader
+  name: upgrader
   protocol: websocket
   ports:
     out:
@@ -65,6 +66,6 @@
   url: wss://echo.websocket.org/
   ports:
     out:
-      - name: gateway
+      - name: upgrader
         port: in
 ```
diff --git a/ext/docs/gateway_node_kr.md b/ext/docs/upgrader_node_kr.md
similarity index 92%
rename from ext/docs/gateway_node_kr.md
rename to ext/docs/upgrader_node_kr.md
index e5c79712..40d82149 100644
--- a/ext/docs/gateway_node_kr.md
+++ b/ext/docs/upgrader_node_kr.md
@@ -1,6 +1,6 @@
-# Gateway 노드
+# Upgrade 노드
 
-**Gateway 노드**는 네트워크 프로토콜을 다른 프로토콜로 업그레이드하는 기능을 제공하며, 주로 HTTP 연결을 WebSocket 연결로 변환하여 실시간 데이터 통신을 지원합니다.
+**Upgrade 노드**는 네트워크 프로토콜을 다른 프로토콜로 업그레이드하는 기능을 제공하며, 주로 HTTP 연결을 WebSocket 연결로 변환하여 실시간 데이터 통신을 지원합니다.
 
 ## 명세
 
@@ -47,13 +47,13 @@
       port: out[0]
   ports:
     out[0]:
-      - name: gateway
+      - name: upgrader
         port: io
       - name: proxy
         port: io
 
-- kind: gateway
-  name: gateway
+- kind: upgrader
+  name: upgrader
   protocol: websocket
   ports:
     out:
@@ -65,6 +65,6 @@
   url: wss://echo.websocket.org/
   ports:
     out:
-      - name: gateway
+      - name: upgrader
         port: in
 ```
diff --git a/ext/docs/websocket_node.md b/ext/docs/websocket_node.md
index cea8efcb..ac283189 100644
--- a/ext/docs/websocket_node.md
+++ b/ext/docs/websocket_node.md
@@ -41,13 +41,13 @@
       port: out[0]
   ports:
     out[0]:
-      - name: gateway
+      - name: upgrader
         port: io
       - name: proxy
         port: io
 
-- kind: gateway
-  name: gateway
+- kind: upgrader
+  name: upgrader
   protocol: websocket
   ports:
     out:
@@ -59,6 +59,6 @@
   url: wss://echo.websocket.org/
   ports:
     out:
-      - name: gateway
+      - name: upgrader
         port: in
 ```
diff --git a/ext/docs/websocket_node_kr.md b/ext/docs/websocket_node_kr.md
index bd7997fe..f36f7cab 100644
--- a/ext/docs/websocket_node_kr.md
+++ b/ext/docs/websocket_node_kr.md
@@ -41,13 +41,13 @@
       port: out[0]
   ports:
     out[0]:
-      - name: gateway
+      - name: upgrader
         port: io
       - name: proxy
         port: io
 
-- kind: gateway
-  name: gateway
+- kind: upgrader
+  name: upgrader
   protocol: websocket
   ports:
     out:
@@ -59,6 +59,6 @@
   url: wss://echo.websocket.org/
   ports:
     out:
-      - name: gateway
+      - name: upgrader
         port: in
 ```
\ No newline at end of file
diff --git a/ext/pkg/network/builder.go b/ext/pkg/network/builder.go
index 83052ca2..a7518a94 100644
--- a/ext/pkg/network/builder.go
+++ b/ext/pkg/network/builder.go
@@ -41,7 +41,7 @@ func AddToScheme() scheme.Register {
 			{KindListener, NewListenNodeCodec(), &ListenNodeSpec{}},
 			{KindRouter, NewRouteNodeCodec(), &RouteNodeSpec{}},
 			{KindWebSocket, NewWebSocketNodeCodec(), &WebSocketNodeSpec{}},
-			{KindGateway, NewGatewayNodeCodec(), &GatewayNodeSpec{}},
+			{KindUpgrader, NewUpgradeNodeCodec(), &UpgradeNodeSpec{}},
 		}
 
 		for _, def := range definitions {
diff --git a/ext/pkg/network/builder_test.go b/ext/pkg/network/builder_test.go
index dc3be7e7..8fdaedd1 100644
--- a/ext/pkg/network/builder_test.go
+++ b/ext/pkg/network/builder_test.go
@@ -42,7 +42,7 @@ func TestAddToScheme(t *testing.T) {
 	err := AddToScheme().AddToScheme(s)
 	assert.NoError(t, err)
 
-	tests := []string{KindHTTP, KindListener, KindRouter, KindWebSocket, KindGateway}
+	tests := []string{KindHTTP, KindListener, KindRouter, KindWebSocket, KindUpgrader}
 
 	for _, tt := range tests {
 		t.Run(tt, func(t *testing.T) {
diff --git a/ext/pkg/network/gateway.go b/ext/pkg/network/upgrader.go
similarity index 91%
rename from ext/pkg/network/gateway.go
rename to ext/pkg/network/upgrader.go
index ae81d9b9..79d42935 100644
--- a/ext/pkg/network/gateway.go
+++ b/ext/pkg/network/upgrader.go
@@ -17,8 +17,8 @@ import (
 	"github.com/siyul-park/uniflow/pkg/types"
 )
 
-// GatewayNodeSpec defines the specifications for creating a GatewayNode.
-type GatewayNodeSpec struct {
+// UpgradeNodeSpec defines the specifications for creating a UpgradeNode.
+type UpgradeNodeSpec struct {
 	spec.Meta `map:",inline"`
 	Protocol  string        `map:"protocol" validate:"required"`
 	Timeout   time.Duration `map:"timeout,omitempty"`
@@ -32,13 +32,13 @@ type WebSocketUpgradeNode struct {
 	mu       sync.RWMutex
 }
 
-const KindGateway = "gateway"
+const KindUpgrader = "upgrader"
 
 var _ node.Node = (*WebSocketUpgradeNode)(nil)
 
-// NewGatewayNodeCodec creates a new codec for GatewayNodeSpec.
-func NewGatewayNodeCodec() scheme.Codec {
-	return scheme.CodecWithType(func(spec *GatewayNodeSpec) (node.Node, error) {
+// NewUpgradeNodeCodec creates a new codec for UpgradeNodeSpec.
+func NewUpgradeNodeCodec() scheme.Codec {
+	return scheme.CodecWithType(func(spec *UpgradeNodeSpec) (node.Node, error) {
 		switch spec.Protocol {
 		case ProtocolWebsocket:
 			n := NewWebSocketUpgradeNode()
diff --git a/ext/pkg/network/gateway_test.go b/ext/pkg/network/upgrader_test.go
similarity index 97%
rename from ext/pkg/network/gateway_test.go
rename to ext/pkg/network/upgrader_test.go
index 1a56c493..8a16393d 100644
--- a/ext/pkg/network/gateway_test.go
+++ b/ext/pkg/network/upgrader_test.go
@@ -17,10 +17,10 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestGatewayNodeCodec_Compile(t *testing.T) {
-	codec := NewGatewayNodeCodec()
+func TestUpgradeNodeCodec_Compile(t *testing.T) {
+	codec := NewUpgradeNodeCodec()
 
-	spec := &GatewayNodeSpec{
+	spec := &UpgradeNodeSpec{
 		Protocol: ProtocolWebsocket,
 		Timeout:  time.Second,
 		Buffer:   64,