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Metro Ethernet Redux

机译:城域以太网Redux

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摘要

Remember the metor-area ethernet hype of a few years ago? Like most great ideas, it was based on a simple notion: Since nearly all data begins and ends its life in Ethernet frames, why not run Ether- net across the metro network rather than using services based on ATM and Sonet? Corporate IT understands Ethernet. And, IT was told, services based on metro Ethernet would be half the cost, provision faster and allow bandwidth to be "dialed up" virtually instantaneously and in more granular increments than Sonet-based services could offer.
机译:还记得几年前的流星区以太网炒作吗?像大多数伟大的想法一样,它基于一个简单的概念:由于几乎所有数据的生命周期都是在以太网帧中开始和结束的,所以为什么不跨城域网运行以太网,而不是使用基于ATM和Sonet的服务?企业IT了解以太网。而且,IT部门被告知,基于城域以太网的服务将是成本的一​​半,提供的速度更快,并且允许虚拟瞬间以比基于Sonet的服务所能提供的细粒度增量“拨号”带宽。

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