介绍了嵌入式Internet 技术的概念和研究现状,以网络传感器为应用背景,对TCP/IP 协议栈中的主要协议TCP 进行了机制裁减和编程实现。该研究对于Internet 技术能否在8 位单片机上实现和应用有着重要而现实的意义。 关键词:嵌入式Internet 传输控制协议TCP Abstract: This article particularly introduces the concept and study actuality of Embedded Internet. Based on the special application of network sensors, the central protocol TCP of the TCP/IP stack is cut down and realized. The study is of important and practical significance to therealization and application of Internet technology on a 8-bit micro-controller. Keywords: embedded Internet Transmission Control Protocol (TCP)