【正文】
ccess to IP Footprint Metro Only Metro, National and emerging global Verizon 以太網(wǎng)業(yè)務(wù) Global National Metro COVERAGE ? Global Data Link (US and 9 European Countries) ? Ether Private Line ? Ether Private Line and Dedicated SONET Rings in over 80 markets Ether Private Line – Layer 1 ? Private IP (metro, national, international) ? Inter Dedicated (metro, national, international) Ether Access ? Global VPLS ing in 2023 ? Nationwide VPLS ing in Q4 2023 ? VZ ELAN Inregion ELAN ? Global Data Link (US and 9 European Countries) ? Ether Virtual Private Line ? Ether Virtual Private Line in over 80 markets Ether Virtual Private Line – Layer 2 ELine Verizon’ s Ether Product Portfolio Service Class Service Type 三、以太網(wǎng)傳輸 多種傳輸技術(shù) Ether Connectivity Services IPbased Services VOIP Inter IPVPN IPTV Ether ATM PDH ELINE ELAN VLAN MPLS WDM IP 和 Ether 運(yùn)行在任何基礎(chǔ)設(shè)施上 20% 30% 50% SONET L3 Ether WDM MPLS RPR Technology for Ether Services Source: Heavy Reading 50+ % 的以太網(wǎng)業(yè)務(wù)利用 SONET ~30% 的以太網(wǎng)業(yè)務(wù)利用 DWDM MPLS, RPR 也被使用 DSL PON RPR SONET/SDH 傳輸 MAC in MAC Connectivity Services Separation 以太網(wǎng)傳輸功能和工具 ? 集中 ? 復(fù)用 ? 保護(hù) ? 距離 ? 故障部分化 ? 端到端 QoS ? 以太網(wǎng) ? SONET/SDH ? C/DWDM ? 彈性分組環(huán) RPR ? xSTP ? MPLS 快速選路 ? PWE3 ? Provider Bridging ? MAC 包封 E ? Combinations 實(shí)現(xiàn)工具包 物理層 包封附件 保護(hù)附件 功能 Scalability Reliability Hard QoS TDM Support Service Management Carrier Ether ? Add/Drop circuits ? No support for packet services ? Distributed DXC ? Mapping of Packet services to circuits ? Limited Statistical multiplexing ? Optimized for packet multiplexing ? Mapping of circuits