| Name | Description | Type | Package | Framework |
| DeflateFrameClientExtensionHandshaker | handshake implementation. | Class | io.netty.handler.codec.http.websocketx.extensions.compression | Netty |
| DeflateFrameServerExtensionHandshaker | handshake implementation. | Class | io.netty.handler.codec.http.websocketx.extensions.compression | Netty |
| PerMessageDeflateClientExtensionHandshaker | handshake implementation. | Class | io.netty.handler.codec.http.websocketx.extensions.compression | Netty |
| PerMessageDeflateServerExtensionHandshaker | handshake implementation. | Class | io.netty.handler.codec.http.websocketx.extensions.compression | Netty |
| WebSocketClientCompressionHandler | to handle the most common WebSocket Compression Extensions. | Class | io.netty.handler.codec.http.websocketx.extensions.compression | Netty |
| WebSocketServerCompressionHandler | to handle the most common WebSocket Compression Extensions. | Class | io.netty.handler.codec.http.websocketx.extensions.compression | Netty |