通过配置系统，让它能够识别边缘服务器。
服务请求通过传输器注入到NetKernel中，这些传输器是位于系统边缘的事件侦测器。
Service requests are injected into NetKernel by transports, which are event detectors residing at the edge of a system.
tcp_hit值表明Akamai边缘服务器从缓存中返回此文件，并不需要通过访问我们的数据中心获取相同的文件。
The value TCP_HIT indicated that the Akamai edge server is returning the file from the cache and did not need to go back to our data center to fetch the same file.
通过把这些对象缓存在更接近最终用户的边缘服务器上，Akamai可以减少从起源服务器获取静态内容所需的往返次数。
By caching these objects on the edge server closer to the end users, Akamai can reduce the number of round trips to retrieve static content from the origin server.
任务1：通过配置识别边缘服务器。
同时，让边缘缓存服务器与邻近用户自发组建P 2 P下载网络，将资源更加边缘化，通过就近获取资源，提高下栽速度。
Meanwhile, edge cache server and its users nearby automatically construct P2P download network. So resources becoming more marginate and then users obtain the high download speed.
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.
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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