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因特网的高速发展带来了对带宽的巨大需求,原有的主要提供话音业务的电路交换网络已远远不能适应IP(网际协议)业务的需求。为此,各种宽带IP技术应运而生。 1.IP over ATM(异步转移模式) IP是因特网的基础技术,是一个为高级传输协议提供无连接服务的网络协议。它与传输控制协议(TCP)一起构成因特网协议簇的核心单元。IP有相应的地址
The rapid development of the Internet has brought huge demand for bandwidth. The original circuit switched network that mainly provides voice services is far beyond the requirements of IP (Internet Protocol) services. To this end, a variety of broadband IP technology came into being. 1.IP over ATM (Asynchronous Transfer Mode) IP is the Internet’s basic technology and is a network protocol that provides a connectionless service for advanced transport protocols. Together with Transmission Control Protocol (TCP), it forms the core unit of the Internet protocol suite. IP has the corresponding address