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Routed Optical Networking by Shahnaz Mohamad, Cisco

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Routed Optical Networking by Shahnaz Mohamad, Cisco

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New architecture for the next 20 years. Fully converged L1, L2 and L3 into a single network. Replacing transponders with digital coherent optics. Removing functional overlaps. Reducing carbon footprint – increasing density.

New architecture for the next 20 years. Fully converged L1, L2 and L3 into a single network. Replacing transponders with digital coherent optics. Removing functional overlaps. Reducing carbon footprint – increasing density.

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Routed Optical Networking by Shahnaz Mohamad, Cisco

  1. 1. Shahnaz Mohammad Cisco Systems Routed Optical Networking Mass-Scale Infrastructure for the New Era
  2. 2. MyNOG9 Check Engine
  3. 3. MyNOG9 Is pushing the network to the limit The Forces of the Future Unpredictable Forces Climate Disruptions, Global Pandemic, Economic Shifts Low Latency Demands Advanced conferencing, Payment Gateways, Future IoT Decentralization Edge Computing, Blockchain Computing, Caching Emerging Bandwidth Streaming Video, 5G, Augmented Reality, Metaverse Upgrade Challenges Growing Complexity Legacy Burden Cost of Upgrade Sustain & Expand Revenue Customer Experience Customer Relevance Service Innovation Operational Challenges Increased Point of Failure, Growing Complexity Maintaining Security MyNOG9
  4. 4. MyNOG9 Simplified Mass-Scale Intelligent • Highly interconnected nodes providing edge services closer to customers • High-speed bandwidth of 400G and beyond • Resilient to change and disruptions • Network that can grow with less complexity • Sustainable infrastructure with optimized CAPEX and OPEX • Observable and easier to manage • Intelligent handling different classes of traffic • Programmable infrastructure and software-provisioned • Automated and self-healing What might be the network of the future MyNOG9
  5. 5. MyNOG9 Routed Optical Networking Convergence and delayering of the transport infrastructure Today’s Network Layered Architecture Tomorrow’s Network Mass-Scale Architecture 400G Link Bandwidth or beyond
  6. 6. MyNOG9 Routed Optical Networking Convergence and delayering of the transport infrastructure Today’s Network Layered Architecture • Scaling the Network • Considerations required for IP and Optical layers • Provision of service needs to occur for all layers • Operational lifecycle • Multiple control planes – IP/MPLS, GMPLS, WSON/SSON • Maintaining cross-infrastructure visibility and maintaining SRLG • Redundant Protection • IP network availability + optical protection • Management and Automation • Complex interfaces to multiple management plane Complexity of scaling the multi-layer architecture
  7. 7. MyNOG9 Routed Optical Networking Convergence and delayering of the transport infrastructure Tomorrow’s Network Mass-Scale Architecture • Simplified network life cycle • Observable as a single layer network • Single control plane • Simplifies transport SDN deployment • Maintainable network scaling • Bandwidth consideration only on IP platform • Easier and faster deployment of network links • Software intelligence for traffic engineering • Dynamics and granularity of IP traffic maximizes capacity utilization • Network Resiliency • Uses segment routing Ti-LFA for sub-50ms convergence Network Controller Orchestration Mgmt & Analytics
  8. 8. MyNOG9 Routed Optical Networking Putting it all together High Scale Routers with New Generation Router Processors Digital Coherent Optics (DCO) for 400G and beyond Simple DWDM Line System Segment Routing and Transport SDN New Network Paradigm Hop-by-Hop Optical Transport + + + =
  9. 9. MyNOG9 The Evolution of the Coherent Optics 2014 2015 2017 2016 2011 2012 2013 2010 100G MSA 2018 2019 2021 100G CFP 200G/400G CFP2 Modulator CRX DRV DSP ASIC E- mux 400G QSFP-DD Standard form factor Significantly lower power No additional space
  10. 10. MyNOG9 400G DCO Standards and Industry Specifications Client Line 400GE 400ZR Simplified functionality Edge optimized FEC (C-FEC) Up to 120km reach Client Line 100GE 200GE 400GE Nx 100GE (Muxponder Mode) 100G 200G 300G 400G Simplified functionality + High performance FEC (oFEC) High performance pluggable modules Multi-vendor interoperability Extended reach 100G 200G 300G 400G OpenROADM Client Line Extended reaches Flexible Client Mapping + High Performance FEC (oFEC) 100G 200G 300G 400G Ethernet OTN FlexO
  11. 11. MyNOG9 Removing Complexity Router SR Optic Fiber Jumper ZR/ZR+ Optic Transponder SR Optic Fiber Jumper ROADM
  12. 12. MyNOG9 Architectural Opportunities Current Brownfield Optimized All Services Router OLS OLS Transitional
  13. 13. MyNOG9 Where Do I Start? Routed Optical Networking can be deployed in these three different scenarios Existing DWDM Layer Greenfield ZR optics over multiple line systems
  14. 14. MyNOG9 Routed Optical Networking It’s a Journey Integrate the Transponders and Automate 400G ZR/ZR+ DCO pluggables enable the transition to Routed Optical Networking Router Transponders Router + 400G ZR/ZR+ DCOs Unified Planning Hierarchical Controller Architecture Simplify the Network Fully converged IP/Optical architecture over an open and simplified DWDM network with a single control plane Converged IP and Optical Architecture Converge Services – Single Layer Emulates OTN switching capabilities without dedicated equipment IP PL DWDM DWDM IP PL Private Line services transported on the IP layer thanks to Private Line Emulation & Circuit Style Segment Routing
  15. 15. MyNOG9 Routed Optical Networking It’s a Journey Converge Services – Single Layer Emulates OTN switching capabilities without dedicated equipment IP PL DWDM DWDM IP PL Private Line services transported on the IP layer thanks to Private Line Emulation & Circuit Style Segment Routing Integrate the Transponders and Automate 400G ZR/ZR+ DCO pluggables enable the transition to Routed Optical Networking Router Transponders Router + 400G ZR/ZR+ DCOs Unified Planning Hierarchical Controller Architecture Simplify the Network Fully converged IP/Optical architecture over an open and simplified DWDM network with a single control plane Converged IP and Optical Architecture
  16. 16. MyNOG9 Routed Optical Networking It’s a Journey Integrate the Transponder and Automate Converge Services – Single Layer 400G ZR/ZR+ coherent pluggables enable the transition to routed optical networking Emulates OTN switching capabilities without dedicated equipment Router Transponder to Router + 400G ZR/ZR+ Optic IP PL DWDM DWDM IP PL Unified Planning Hierarchical Controller Architecture Private line services are transported by Private Line Emulation with Circuit Style Segment Routing Simplify the Network Fully converged IP/Optical architecture over an open and simplified DWDM network with a single control plane Converged IP and Optical Architecture
  17. 17. MyNOG9 The Potential Benefits of a Routed Optical Network Up to ~56% OpEx savings, 45% total TCO savings Source: ACG Research Converges all services onto a single network layer Eliminates siloed IP & Optical operational layers Integrates transponders and “grey” optics Integrates OTN Services and ROADMs Space, power and operational savings Shorter Time-to-Market for services $- $5 $10 $15 $20 $25 $30 $35 $40 Technical Support Services (TSS) Multilayer Fault Management Security Test & Certification Software upgrades Network engineering & capacity planning Moves, Adds, Changes expense Network Installation expense Service Assurance labor expense Orchestation Software Expenses Fault Management Systems & Software Expense Total Power (IT, Cooling, Aux) Cost per Kwatt/hr Facilities (Floorspace, Land, Engineering) Cost per RU Millions 5 Year Cumulative OPEX Breakdown Router Bypass Pure IP
  18. 18. MyNOG9 Summary: Routed Optical Networking High density networks can be optimized by collapsing and converging infrastructure Sustainable Growth Simplified networks simplifies implementation of transport SDN, management and automation Vertical APIs Abstraction Supporting decentralization of services, meeting new demands and being relevant to new expectations Optimize Compute Locations Topology Re-Architecture Operations Re-Architecture Network Services Re-Architecture “Simplicity is the Ultimate Sophistication” Leonardo da Vinci
  19. 19. Thank You

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