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lwIP

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LwIP瑞典计算机科学院的一个开源的TCP/IP协议栈实现.

LwIP协议栈主要关注的是怎么样减少内存的使用和代码的大小,这样就可以让lwIP适用于资源有限的小型平台例如嵌入式系统。为了简化处理过程和内存要求,lwIP对API进行了裁减,可以不需要复制一些数据。

特性

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其主要特性如下:

(1)支持多网络接口下的IP转发;

(2)支持ICMP协议;

(3)包括实验性扩展的UDP(用户数据报协议);

(4)包括阻塞控制、RTT 估算、快速恢复和快速转发的TCP(传输控制协议);

(5)提供专门的内部回调接口(Raw API),用于提高应用程序性能;

(6)可选择的Berkeley接口API (在多线程情况下使用) 。

(7)在最新的版本中支持ppp

(8) 新版本中增加了的IP fragment的支持.

(9) 支持DHCP协议,动态分配ip地址.

外部链接

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lwIP
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