Transport Architecture Evolution
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Transport Architecture Evolution
- 1. Transport Architecture Evolution V. Viscardi – Business Dev. Manager, SP Architecture October 18, 2011 © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 1
- 2. • Welcome – Moderator(s): David Bianchi – Business Development, CORBU Lorenzo Ghioni – Product Management, CORBU • Today’s Show: Transport Architecture Evolution Speaker(s): Valerio Viscardi – Business, SP Architecture EMEA • Q&A • Survey © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 2
- 3. • Evolution of Transport Networks • Current Trends in Transport Networks • TDM Centric to Packet Centric Transport • Convergence of Packet and TDM Transport • MPLS-TP as a transport oriented packet aggregation technology • MPLS-TP Building Blocks and Network Architectures © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 3
- 4. IP P T E I PDH PDH IP D E D T P E ATM H IP M H IP Services T T H H SDH SDH OTN Transport SDH FEC FEC FEC FEC Framing Optical WDM WDM 1550nm WDM ROADM ROADM 1995 2000 2005 2010 Last 10 years have been incremental steps © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 4
- 5. TDM ETH MPLS- IP/MPLS Each Layer 2012 TP SDH ~ OTN Managed OTN 2013 DWDM Separately WDM 2010 • Next step will not be incremental New Coherent network deployments on unused fibre New Coexistence of MPLS and OTN transport and grooming layers Emergence of Ethernet as a Circuit “Zero-Touch” ROADM DWDM networks with DWDM aware control plane © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 5
- 6. Need…. Response… Reduce CapEx/OpEx Integrate layers – IP/MPLS/OTN/DWDM Eliminate Costly Interconnect Common Mgmt, Fabric, Line Cards Optimize High Cost Optics Utilization Increase Service Velocity Coordination of Layers thru Control Plane DWDM Switched End-End Enhance Resiliency / trouble ZPL/ZTL via Proactive Protection shooting Limit L0 risks with SRLG Coordinated maintenance CP – IP/OTN protect and DWDM Restore Reduce planning / Integrate Layers – L3 – L1 – Common Fabric forecasting cycles CP– verify circuit availability leveraging DWDM CP © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 6
- 7. TDM WSON OTN / TDM IP NG-ASON Ethernet ASON / WSON Client Interface registration border Wavelength TDM on demand IP / MPLS IP S-GMPLS Ethernet L3 / S-GMPLS DWDM WSON border Optical restoration TDM MPLS-TP (1+R, IP Ethernet ASMN ASMN / WSON 1+1+R) border • WSON = Wavelength switched optical network • ASON = Automatically Switched optical network • ASMN = Automatically switched MPLS-TP network © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 7
- 8. www.ciscoknowledgenetwork.com © 2010 Cisco and/or its affiliates. All rights reserved. © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 8 8
Hinweis der Redaktion
- IP/MPLS and MPLS-TP have the same Forwarding Plane stand-pointMPLS-TP allows a static provisioning and configuration, through a NMS system. Protection mechanism equivalent to SDH (e.g. 1+1, 1:1, 1:N)