1. 1 | © 2015 Infinera Evolving Multi-layer Network Architecture with SDN Control Soumya Roy Infinera Corporation Soumya Roy, Infinera Corporation

2. 2 | © 2015 Infinera  Use Case for Multi-Layer SDN for SP networks  Why Multi-layer SDN?  What are the L0-L1-L2 components?  Deployment scenarios of SDN Outline

3. 3 | © 2015 Infinera Transport SDN use case for R&E Networks LHC Tier2 site Tier1 site Multi-Layer SDN controller Application OpenFlow/ REST API Pool of OTN B/W Pay as you grow B/W OTS REST API to manage L2 Services MEF L2 Services Optical Transport Network Courtesy: GEANT Packet Dynamic activation of services Efficient use of shared resources Lower network TCO

4. 4 | © 2015 Infinera Transport Network-as-a-Service Customer-Y Customer-Z Internet Carrier SDN Controller REST API Customer Console Access via Web-browser L1/L0 NE Customer-X Customer X B D A C Programmable Packet-Optical Tansport Layer 100Gbps Network access ports defined per end-customer End-customer driven L1/L2 bandwidth services Policy & SLA management centralized in Carrier SDN controller 100Gbps

5. 5 | © 2015 Infinera  Bandwidth growth & network costs not aligned Organic cost reductions alone insufficient for minimizing cost/bit  Network layers operating in isolation, not cooperation  More cross-layer intelligence needed for optimizing traffic  Inter-layer/inter-domain control plane lacking Why SDN for Multi-Layer Networking? Vendor W Vendor Z Vendor X Vendor Y Optical Transport Network Layer IP/MPLS Network Layer ? Simplify & Speed Provisioning Enable Optimization

6. 6 | © 2015 Infinera Evolution Towards Intelligent Transport Packet- Optical Transport (P-OTN) Expensive Network Intelligence Increase Scale, Reduce TCO IP/MPLS Routers Convergence Multi-layer Switching OTN, WDM, ROADM, MPLS Scalability Super-channel Transmission Coherent, Ready for 1TbE Automation Open Software Control Programmability Resiliency Intelligent Transport Networking Intelligent transport networking simplifies total network & enables cost efficiency

7. 7 | © 2015 Infinera Multi-layer Automation for Intelligent Transport  Need for multi-layer representation, topology computation & provisioning  SDN approach facilitates orchestration across layers & domains  Benefit: Network carries traffic at the most optimal layer SDN Multi-Layer Orchestration & Optimization $,W Router Optics Digital Switching $$$,k W Converged P-OTN Layer IP/MPLS Layer Analytics Provisioning

8. 8 | © 2015 Infinera SDN as good as the Underlying Data Plane  These characteristics are absent from traditional optical networks Programmable Packet Optical Transport Networks The ability to control network resources and properties at a distance “No Compromise” for any applications The ability to control network resources and properties at a distance “No Compromise” for any applications

9. 9 | © 2015 Infinera Optimized L0-L1 Switching Architecture Digital SwitchingOptical Switching Digital grooming maximizes WDM fill -> CapEx savings Sub-  switching & service protection -> OpEx savings ODU0/flex and packet switching granularity Reconfigurable super-channel switching -> OpEx Savings Optical express of filled super- channels -> CapEx savings Wavelength & super-channel granularity Photonic switching of super-channels Service-level digital switching & grooming (Ethernet/SDH/OTN/SAN)

10. 10 | © 2015 Infinera  Digital OTN abstraction of BW delivers optimal fit for SDN  In addition to OTN, SDN-control of ROADMs makes sense  But Controlling other analog functions (e.g. power) directly is too complex Foundational Elements Super-channels OTN Switching GMPLS Control Plane Foundational Elements Super-channels OTN Switching GMPLS Control Plane 10GbE service demand 40GbE service demand Bandwidth Virtualization TM In use65 Gb/s Total 200 Gb/s 75 Gb/s 115 Gb/s “Lots of physics is used to enhance transmission performance. SDN controller will not be able to manage this constant evolution” – Vz

11. 11 | © 2015 Infinera  Deploy Service-Ready Bandwidth with Super-channels  Dynamically control OTN services via Bandwidth virtualization  Dynamically activate additional line side BW via Instant Bandwidth SDN control of Instant Bandwidth TM 100G Era: 500G Pool Nx100G Enabled Per Line Module 100G activated 100G available; software-defined activation DTN-X 10G client traffic 2.5G client traffic 100G client traffic

12. 12 | © 2015 Infinera ETH INTF ETH INTF AC PW VSI PW AC PW VSI PW AC VSI PW ‘Q’ Class/Flow-based CoS Scheduler 1 ‘Q’ Scheduler n Packet classification, processing, scheduling, shaping TC Flow Mapping & Packet QoS Transport based Aggregation Packet-Aware Optical Transport Enabling Efficiency & Flexibility through L0, L1 & L2 Integration PVW 1 Grooming, Switching, Shared Mesh Protection Dynamically Resizable ODUflex PVW n Sub-  Digital func. Router Optical transport network Data Center Network Efficiency Gains 3 WDM switching, restoration Super- channel Optical func. 1 2

13. 13 | © 2015 Infinera Real-world Deployment

14. 14 | © 2015 Infinera Virtualization of the Optical Layer with OTS OSS/BSS PEN SDN Control Layer PEN SDN Control Layer Open Transport Switch software (OTS) Singapore Data Center Singapore Data Center Hong Kong Data Center Hong Kong Data Center Customer Console Self Service Portal End points Bandwidth Duration Latency Etc. Self Service Portal End points Bandwidth Duration Latency Etc. DTN-X Pan-Asia Network Tokyo Data Center Tokyo Data Center APIs Key Benefits End user gets best pricing, pays only for BW needed Pacnet optimal resource utilization & sticky customer service Customer App Understands daily data replication required Monitors spot pricing Determines optimal time to initiate connection DC replication App Programmable Web 2.0 APIs Pacnet Enabled Network (PEN)

15. 15 | © 2015 Infinera  Pacnet deployment of first widely commercially available Network Virtualization of the Optical Layer using Infinera Open Transport Switch (OTS)  Extends PEN Ethernet NaaS to new SDN- controlled dynamic optical layer increasing NaaS to Nx10G & Nx100G levels Pacnet Deployment Use Case

16. 16 | © 2015 Infinera ABNO Controller Polic y Agen t ALTO Server Topology Module I2RS Clien t L3 PCE VNT M L1 PCE Provisioning Manager OAM Handler Multi-Layer SDN Control Layer Telefónica Multi-Layer SDN Architecture PoC Network as a Service (NaaS) Multiple south-bound protocols REST/JSON OpenFlow Netconf/YANG PCEP BGP-LS Multi-layer PCE-based controller: Point and click IP/MPLS services w/automatic router & transport layer provisioned automatically Application: Dynamic MPLS tunnel service creation in multi-layer, multi- vendor environment. OTS MX-240-1 MX-240-2 MX-240-3 DTN1 DTN3 DTN2 100G 10G Open Transport Switch (OTS) Intelligent Transport Abstraction

17. 17 | © 2015 Infinera Multi-layer orchestration with OSCARS-TE Hot Interconnect 2014 REST/JSON OpenFlow 1.0 Configuratio n Manager Topology Exchange Multi-Layer Path Engine Multi-Layer Provisioning Multi-Layer Topology App ESNet Circuits Reservation System (OSCARS) SDN Controller Floodlight Traffic Optimization Engine OSCARS TE Multi-Layer SDN Management Modules Optical Transport Network Packet Network X Y Z A, B, C – Packet Switches X, Y, Z – Optical Transport A B C Site A OTS Site B

18. 18 | © 2015 Infinera  Intelligent Transport drives new approach to scaling networks Service-ready capacity, BW delivery @ Internet speed Converged Digital (packet, OTN) and ROADM operations  Multi-Layer SDN has significant benefits Streamline multi-layer, multi-domain operation Rapid application development through standard APIs New dynamic “on-demand” services (eg, NaaS, BoD) Global view creates opportunity for total network optimization  Carriers seeking evolutionary, open approach Leverage existing robust optical transport control plane functions Open SDN control layer, flexible integration options Summary

19. 19 | © 2015 Infinera Thank You