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传统的Internet只提供尽力传送服务,但这种没有任何保证,不可预测的服务已经不能满足许多应用的需要,如何在公网上架构支持QoS的VPN具有重要的现实意义。本文简单介绍了区分服务和MPLS的基本技术框架,重在探讨如何实现DiffServ/MPLS的虚拟私有网络。
The traditional Internet only provides best effort delivery service. However, this kind of non-guaranteed and unpredictable service can not meet the needs of many applications. How to construct a QoS-enabled VPN on the public network is of great practical significance. This article briefly describes the basic technical framework for differentiating services and MPLS, focusing on how to implement DiffServ / MPLS virtual private networks.