Netty 4.0.25.Final 在 2014 年结束之前发布了,该版本修复了超过 20 个 bug,同时包含如下新特性和改进: SSL Works as a drop-in replacement of JDK stock SSLEngineImpl! SslContext adds ALPN and mutual authentication support. SslHandler.renegotiate() adds proper SSL renegotiation support. SniHandler adds Server Name Indication support. OpenSslEngine is now (almost) feature-complete with client mode support. SPDY Pushed resource support HTTP Higher performance Linux native transport (epoll) Higher performance 详细列表请看:issue tracker. Netty 提供异步的、事件驱动的网络应用程序框架和工具,用以快速开发高性能、高可靠性的网络服务器和客户端程序。 体系结构图 Netty 4.0.25.Final 发布,高性能网络应用框架下载地址