Java高性能網絡應用框架，Netty 4.0.25.Final 發布

Netty 4.0.25.Final 在 2014 年結束之前發布了，該版本修復了超過 20 個 bug，同時包含如下新特性和改進：

• SSL

• Works as a drop-in replacement of JDK stockSSLEngineImpl!

• SslContextadds ALPN and mutual authentication support.

• SslHandler.renegotiate()adds proper SSL renegotiation support.

• SniHandleradds Server Name Indication support.

• OpenSslEngineis now (almost) feature-complete with client mode support.

• SPDY

• Pushed resource support

• HTTP

• Higher performance

• Linux native transport (epoll)

• Higher performance

詳細列表請看：issue tracker.

Netty 提供異步的、事件驅動的網絡應用程序框架和工具，用以快速開發高性能、高可靠性的網絡服務器和客戶端程序。

項目地址：http://netty.io/

體系結構圖

Features

Design

• Unified API for various transport types - blocking and non-blocking socket
• Based on a flexible and extensible event model which allows clear separation of concerns
• Highly customizable thread model - single thread, one or more thread pools such as SEDA
• True connectionless datagram socket support (since 3.1)

Ease of use

• Well-documented Javadoc, user guide and examples
• No additional dependencies, JDK 5 (Netty 3.x) or 6 (Netty 4.x) is enough

Performance

• Better throughput, lower latency
• Less resource consumption
• Minimized unnecessary memory copy

Security

• Complete SSL/TLS and StartTLS support

Community

• Release early, release often
• The author has been writing similar frameworks since 2003 and he still finds your feed back precious!