城域以太网技术研讨会专题.pptVIP

Nortel Confidential Information Nortel Corporate Presentation ? 2004 Nortel Agenda / 日程 Market Trends Nortel Strategy市场趋势与北电战略 Metro Ethernet Key Technological Advance北电城域以太网关键技术优势 Summary总结 BT’s Customers are ChangingBT－用户在变化之中 Revenue - Transformation of mix业务收入－向混合转型 Next-generation transformation – BT’s 21CN向下一代网络转型－BT 21CN Invest： ￡10bn over 5 years投资：5年投资100亿英镑 Save: ￡1bn annually by 2008/9节省：到2008/9计划节省10亿英镑 Eliminate: 100,000 network components精简：10万网络设备 Simplify: from 450+ products to less than 150简化：从超过450种产品缩减为150种以内 Create reusable common capabilities across systems and products创造：来自系统和设备的可重复使用的能力 Migrate: 30m customer lines over 5 years迁移：5年内升级换代3千万用户线 Speed introduction of exciting new services新业务：加速引入新的杀手级应用 It’s Big and It’s BoldBT 21CN：浓墨重彩，划时代工程 Network Consolidation网络整合 Reduce the number of networks减少网络数量 Reduce the number of layers减少网络层次 Reduce the number of technologies减少技术种类 Gain economies of scale追求可扩展性节约模式 21st Century Network structure vision (2005)对BT 21CN网络架构的认识（2005年） BT History – the 21CN vision 2005BT历史观点－2005年对21CN的认识 So what changed since 2005?2005年以来，发生了什么变化？ BT Realisation that Ethernet business services will dominate – proof pointsBT重大思路转型：二层以太网专线业务为王－数据为证 What is the Transformation Infrastructure ?转型的目标架构？ Nortel’s Carrier Ethernet Solution北电运营商以太网解决方案 BT primary objective / BT的关键目标 – Network Layer Reduction / 精简网络层面 Nortel Technology Innovation / 北电技术创新: Provider Backbone Transport / 运营商骨干传输PBT BT 21CN 2007 – Nortel ViewBT 21CN 2007 – 北电观点 Summary / 总结 Carrier Ethernet is a good fit with the goals of 21CN / 运营商以太网很好地适合了BT 21CN的战略与目标 Transport layer based on simple and cost effective native Ethernet with carrier grade attributes 基于简单、便宜的以太网，并注入运营级属性的传送层面 PBB for security/scalabilityPBB实现安全性和扩展性 PBT for deterministic performance guaranteed SLAsPBT实现确定性转发和有保证的SLA Carrier grade OAM with traditional transport layer paradigm 运营级OAM支持传统传送层解决方案 MPLS is two things – a service layer and a transport l