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宽带网是当前通信发展中的热点,文章就宽带网技术与应用进行了介绍,并且对目前占有宽带网络主要市场的技术进行讨论。宽带互联网基于TCP/IP协议,并且从网络体系结构上逐渐划分出层次,由传统无连接逐跳转发路由网络转化到仿真面向连接的标记交换网络。人们在IP网络上开发了各种QoS技术,以期实现“电信级IP网络”。网络安全技术与用户接入方式也取得了很大的发展。
Broadband network is a hot spot in the development of current communication. The article introduces the technology and application of broadband network, and discusses the technologies that currently occupy the main market of broadband network. Broadband Internet is based on TCP / IP protocol, and gradually separated from the network architecture level, from the traditional connectionless hop-by-hop forwarding routing network to emulation connection-oriented mark exchange network. People have developed various QoS technologies on the IP network in order to achieve “carrier-grade IP network.” Network security technology and user access have also made great progress.