The two most popular transport layer protocols are the transmission control protocol (TCP) and the user datagram protocol (UDP)

两种最流行的传输层协议是传输控制协议（TCP）和用户数据报协议（UDP）

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The result was a suite of internetworking protocols known as TCP/IP (after the first two protocols defined by the standard, Transmission Control Protocol and Internet Protocol).

结果，名为TCP/IP的一套网络互联协议（在首批标准化的两个协议——即传输控制层协议和互联网协议后）产生。

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The IP layer, in turn, provides services used by the Internet Control Message Protocol (ICMP) and Transmission Control Protocol (TCP).

反过来，ip层又提供由网际控制报文协议(ICMP)和传输控制协议(TCP)使用的服务。

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Known as TCP, the Transmission Control Protocol is core to the functioning of the the Internet.

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