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基于多协议标记交换网络的二层VPN技术
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2009-06-11
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虚拟专网VPN 技术是近年来兴起的一种新兴技术，有很大的潜在市场价值。基于多协议标记交换（MPLS）网络实现VPN 的技术方案大大改善了传统IP 网络的缺陷，同时又能提供和帧中继/ATM 网络一样的安全性保证，很好地适应了VPN 业务的需求。本文介绍了MPLS VPN 网络模型和工作原理，分析了两种基于MPLS 网络的二层VPN 技术实施方案，并比较优缺点。
关键词： VPN；MPLS；网络
Abstract： .The VPN technology is one of the development technology in recently, which is more valuable on business。MPLS network is greatly improved in tradition IP network’s disadvantage on realizing VPN technology plan，and can provide the safety guarantee same as Frame Relay/ATM network，so can fit for the VPN business demand 。This article introduces the MPLS VPN network model and principle ,analyzes two kind of the second layer VPN technology business plan basing on MPLS network ,and compare their advantage and disadvantage。
Key words： VPN；MPLS；Network
关键词： VPN；MPLS；网络
Abstract： .The VPN technology is one of the development technology in recently, which is more valuable on business。MPLS network is greatly improved in tradition IP network’s disadvantage on realizing VPN technology plan，and can provide the safety guarantee same as Frame Relay/ATM network，so can fit for the VPN business demand 。This article introduces the MPLS VPN network model and principle ,analyzes two kind of the second layer VPN technology business plan basing on MPLS network ,and compare their advantage and disadvantage。
Key words： VPN；MPLS；Network
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