Packet Optical Transmission

Transcription

1 2009 Verizon. All Rights Reserved. PTEXXXXX XX/09 Optical Transmission Examining Verizon s Transition to a Optical Infrastructure Thomas Sims Transmission Design Engineering Verizon Business March 30 th Agenda: Verizon Optical Transmission Verizon s Global Capability - 1 slide Introduction to Verizon s network reach and capability Carrier Networks & Convergence - 2 slides Typical Carrier network & Convergence of layers Signal and Protocol Mapping - 2 slides Analysing the protocols in the network Optical Transmission - 3 slides Summary of Optical Transmission Automation and Core design 2 slides Some drivers & application of POTP Deployment Strategy 2 slides Target implementation of system and network Conclusion 2 slides Conclusions & Questions Verizon s Global Network Capabilities & Operations 750K+ Fibre Route Kilometres & 80+ Submarine Cable Systems 40,000+ miles of U network in U.S./Asia/Europe 200+ Data Centres, 10,000+ On-net buildings globally 5 Major Global Network Operating Centres 4,000+ Managed Customer Networks 150+ Countries 2,700+ Cities 33,000 Employees Most Connected Global IP Network

2 Carrier Network Architecture - Multi Vendor/Service Network Stacked ADMs PDH MSPP Inefficient ring-based protection and grooming, Back-to-back with limited survivability ADMs 10/100 GbE IP/MPLS Separate nodes for SONET/ and virtual Separate set of wavelength services wavelengths for each service type Manual from each end office grooming Metro STM-n FC/GbE Long Long Haul Haul SDI Network Convergence IP (ATM/FR) IP-MPLS- for applications Data for packet transport Efficient packet transport Low cost interfaces Optical Transport Fused -- Connection-oriented transport tunnels Fewer layers, begins to displace over time L2 Back-to-back muxponders. No end-to-end servicelevel performance monitoring Partially filled, service-specific and destination-specific wavelengths Costly and resource inefficient 1+1 protection; limited survivability Source: Infonetics Research D Metro Service Mapping Signal Mapping,, MPLS-TP? Transport Backbone Video protocols Rate Rate OTU3 OTU2 OTU1 OTU0 E1 Low Speed/Legacy STM-64 STM-16 STM-4 STM-1 40 GE 10 GE FICON 4G FICON 2G GE FICON FE ESCON Eth Enterprise/Business 8G FC 4G FC 2G FC FC 3G-SDI HD-SDI SD-SDI, ASI SAN Applications OTU4 OTU3 OTU2 OTU1 OTU0 STM GE STM GE STM-16 GE STM-4 STM-1 FE Eth E1 MPLS-TP FICON 4G FICON 2G FICON ESCON 8G FC 4G FC 2G FC FC MPLS-TP or? 3G-SDI HD-SDI SD-SDI, ASI

3 Protocol Transport Driver STM-n E-1 64K ODU-1, ODU-2, ODU-3, ODU-4 services are growing rapidly and will no doubt dominate future traffic demands services are growing as well and is the only viable method available for core transport Growth in services may be slowing, but demand is still strong Protocol conversion is not as efficient as native transport and switching Technology Evolution VC-4 & ODU-n -on-a- GFP & VCAT Over Triple Play of Transmission Technology & MPLS - Optical Transport Platform Optical Transmission Platform Transport Network Automation ADM plus D OTP Control Plane ADM VCAT ADM PoS ADM Hybrid Fabric Evolutionary path from discrete network elements to a fully integrated platform Selectable Switch () provides multi-degree optical switching Hybrid electrical switch fabric provides both and aggregation City A National Network City B Enables new services such as Bandwidth on Demand, client self service, etc. Reduces back office system development for the carrier Network becomes the database of record

4 Core Connectivity Target Architecture Current Architecture: Core Direct Connectivity Architecture: Core Connectivity via Transport MPLS Client 10x 2x40G Multi-Terabit Hybrid Fabric D 2x40G λ Support 8+ D degrees with 80+ wavelengths each employing colorless and directionless s Physical mesh connectivity is desired to reduce transit traffic port and transport utilization is limited due to granularity Reconfiguration flexibility is limited due to granularity, speed, and control plane interoperability Connectivity Transit Traffic Fewer router ports required to achieve full mesh connectivity level granularity provides maximum utilization Higher speed ports between layers w/o channelization provides maximum flexibility 10x Interworki ng 10xbE 2x40GbE be 2x40G Option for wavelengths to bypass fabric for transponder and regeneration applications be λ 2x40GbE λ be λ 2x40G λ Separate and packet modules Module types with both client and D optics connected to the hybrid fabric processing is provided in modules Summary Target Network Architecture Conclusion Broadband Web, IMS VoIP IP-VPN FR/ATM VPN POTS, BRI/PRI T1/E1, T3/ GbE/bE ASI, SD/HD-SDI FC/Ficon, Escon STM/OTU-n Access Bandwidth Edge management Service Mapping Metro IP FR/ATM MPLS PDH Service Handling Core Optical and service mgmt / λ / λ Port types Reliable, flexible bandwidth mgmt (, MPLS,, ) Optical Transport Service mapping and protocol requirements are becoming more varied and complicated Transmission systems should support: services natively Optical services services Verizon s strategy is to deploy a Optical Transmission Platform that supports all on one system.

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