帧中继技术是一种成熟的快速分组交换技术，而AT M技术则是宽带网络的重要技术。

Frame Relay is a kind of mature fast switch technology, while ATM technology is one of the important broadband technologies.

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通过案例研究讲解集中部署方案，重点介绍ATM、以太网和帧中继边缘服务如何能够部署在分组交换网络中。

Taking a case study approach to several deployment scenarios, the primary focus is on how ATM, Ethernet, and Frame Relay edge services can be deployed over packet-switched networks.

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