CX600城域以太网解决方案的典型部署场景是显示在下面的图片。
The typical deployment scenario of CX600 in Metro Ethernet solution is showed in the following picture.
本部分还将介绍最新的思科城域以太网的功能及其对整个解决方案的影响。
The presentation also introduces the latest Cisco Metro Ethernet capabilities and their impact on the overall solution.
传统上，各个公司是通过第二层机制(如生成树)或第三层路由协议，获得城域以太网的基本弹性。
Companies traditionally have gained basic resiliency for their metropolitan Ethernet networks through a Layer 2 mechanism such as Spanning Tree or Layer 3 routing protocols.
北电还表示，它正在为公司其余的业务寻求买主，其中包括企业、光学和城域以太网等业务。
Nortel also said it is seeking buyers for the rest of the company's operations - enterprise, optical and Metro Ethernet among them.
公司所需要的是城域以太网的架构加上上SONET的弹性，但要具有适合基于分组服务的网络高效率。
What companies need is a metropolitan Ethernet architecture with the resiliency of SONET but with significant network efficiencies for packet-based services.
本课程将重点讲述企业部署基于以太网业务的驱动因素，并探讨成功部署城域以太网所需考虑的各种设计问题。
This session focuses on the enterprise drivers for ethernet based services and explores different design considerations for a successful metropolitan (metro) ethernet deployment.
在本文中，笔者首先对已有IP组播控制技术分析，针对城域以太网的二层网络对IP组播控制技术进行研究。
This will cause multicast service deployed more difficulty on Metro-E network. In this paper, I analyze and study IP multicast control technology on L2 Metro-E network.
城域以太网论坛(MEF)提出了电信级以太网(CE)的概念，以改进以太网技术并使之成为下一代网络(NGN)传输汇聚层的解决方案。
The Metro Ethernet Forum (MEF) put forward the concept of Carrier Ethernet (ce) to improve Ethernet technology and make it a transmission convergence layer solution for Next Generation Network (NGN).
一项叫做光以太网的新技术开始使城域网(MAN)发生变革。
A new technology called Optical Ethernet is beginning to revolutionize metropolitan-area networks (MAN).
在本文中针对以太网的业务层提出一种帧结构——用与适宜以太城域网。
This document provides architectural framework to model the Ethernet Services Layer-ETH Layer- of MEF compliant Metro Ethernet Networks (MENs).
现在，千兆位以太网已用于一些城域网（man），标准机构正在为大城市网、甚至广域网制定10千。
Now, Gigabit Ethernet is being used in some metropolitan-area networks (MAN), and standards bodies are readying 10-Gigabit Ethernet for metropolitan and even WANs.
光纤以太网把以太网技术扩展到LAN之外，进入城域网（MAN） 。
The optical Ethernet extends Ethernet technologies from LAN to metropolitan area network(MAN).
可以肯定地说，在城域网和广域网方面，以太网都有厉害的竞争者。
To be sure, Ethernet has some serious competitors in both MANs and WANs.
基于这种需要，本文在对城域电信级以太网分析和研究的基础上，对VPN网管系统作了深入的研究，并设计和实现了VPN系统服务器。
Based on the analysis and study of metro carrier Ethernet, this thesis makes an in-depth study on VPN network management system, designs and implements a VPN server.
基于这种需要，本文在对城域电信级以太网分析和研究的基础上，对VPN网管系统作了深入的研究，并设计和实现了VPN系统服务器。
Based on the analysis and study of metro carrier Ethernet, this thesis makes an in-depth study on VPN network management system, designs and implements a VPN server.
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