NDK又名为Network Developer s Kit，是TI公司开发的DSP产品的传输控制协议TCP/IP协议，可以有效降低基于DSP的嵌入式网络连接的成本，NDK可用于测试TCP/IP协议栈的功能和性能,以满足各种不同应用对网络连接的需要。本文档简要介绍了NDK的作用和架构。-The NDK is called Network Developer　s Kit, was developed by TI company DSP product transmission control protocol (TCP/IP protocol, can effectively reduce the cost of based on DSP embedded Network connection, the NDK can be used to test the functionality of the TCP/IP protocol stack and performance, so as to meet the needs of various applications of Network connection. This paper introduces the function and architecture of the NDK this document.