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核心网与接入网往往吸引了我们太多的目光,但是,企业用户所享受的多种服务,是由网络边缘层来提供的,承载者便是边缘路由器。
Core network and access network often attract too much attention to our eyes, but business users enjoy a variety of services, provided by the network edge layer, the carrier is the edge router.