Evolving Multilayer Network Architecture with SDN Control Soumya

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

Outline Use Case for Multi-Layer SDN for SP networks Why Multi-layer SDN? What are the L 0 -L 1 -L 2 components? Deployment scenarios of SDN 2 | © 2015 Infinera

Transport SDN use case for R&E Networks Application Multi-Layer SDN controller Open. Flow/ REST API Tier 1 site Tier 2 site 3 | © 2015 Infinera MEF L 2 Services Packet Optical Transport Network Pool of OTN B/W Pay as you grow B/W OTS REST API to manage L 2 Services Tier 1 site • • • Dynamic activation of services Efficient use of shared resources Lower network TCO LHC Courtesy: GEANT

Transport Network-as-a-Service Access via Web-browser Customer X Customer-Y Internet Carrier SDN Controller A Customer-X B REST API 100 Gbps 0 G bp s Customer-Z 100 G Programmable bps Packet-Optical Tansport Layer 10 Customer-Z 100 Gb L 1/L 0 NE ps Customer Console D Customer-Y Customer-X C Network access ports defined per end-customer Policy & SLA management centralized in Carrier SDN controller End-customer driven L 1/L 2 bandwidth services 4 | © 2015 Infinera

Why SDN for Multi-Layer Networking? 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 IP/MPLS Network Layer Vendor X Optical Transport Network Layer Vendor W 5 | © 2015 Infinera ? Vendor Y Vendor Z • Simplify & Speed Provisioning • Enable Optimization

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

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

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

Optimized L 0 -L 1 Switching Architecture Service-level digital switching & grooming (Ethernet/SDH/OTN/SAN) Photonic switching of super -channels 9 | © 2015 Infinera Digital Switching Optical Switching ODU 0/flex and packet switching granularity Wavelength & super-channel granularity Digital grooming maximizes WDM fill -> Cap. Ex savings Optical express of filled superchannels -> Cap. Ex savings Sub-l switching & service protection -> Op. Ex savings Reconfigurable super-channel switching -> Op. Ex Savings

Bandwidth Virtualization TM 40 Gb. E service demand 200 Gb/s 65 Gb/s 75 Gb/s 115 Gb/s Total In use 10 Gb. E service demand Foundational Elements • Super-channels • OTN Switching • GMPLS Control Plane 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 “Lots of physics is used to enhance transmission performance. SDN controller will not be able to manage this constant evolution” – Vz 10 | © 2015 Infinera

SDN control of Instant Bandwidth. TM Deploy Service-Ready Bandwidth with Super-channels Dynamically control OTN services via Bandwidth virtualization Dynamically activate additional line side BW via Instant Bandwidth 100 G activated 100 G available; software-defined activation 100 G client 10 G client traffic 2. 5 G client traffic DTN-X ol o P tal Digi 100 G Era: 500 G Pool Nx 100 G Enabled Per Line Module 11 | © 2015 Infinera

Enabling Efficiency & Flexibility through L 0, L 1 & L 2 Integration Data Center ETH INTF Transport based Aggregation AC AC VSI VSI PW PW PW ‘Q’ ‘Q’ ‘Q’ AC ETH INTF VSI PW ‘Q’ ‘Q’ ‘Q’ TC TC TC 12 | © 2015 Infinera Network Efficiency Gains PVW 1 Superchannel PVW n Superchannel TC TC TC Sub-l Digital func. l Optical func. Flow Mapping & Packet Qo. S Packet classification, processing, scheduling, shaping 2 3 Grooming, Switching, WDM switching, Shared Mesh Protection restoration Optical transport network AC Dynamically Resizable ODUflex Scheduler 1 Router 1 Class/Flow-based Co. S Scheduler n Packet-Aware Optical Transport

Real-world Deployment 13 | © 2015 Infinera

Virtualization of the Optical Layer with OTS DC replication App Pacnet Enabled Network (PEN) OSS/BSS • • • PEN SDN Control Layer Self Service Portal Programmable Web 2. 0 APIs End points Bandwidth Duration Latency Etc. Customer Console APIs Open Transport Switch software (OTS) Key Benefits Hong Kong Data Center Singapore Data Center DTN-X Pan-Asia Network 14 | © 2015 Infinera Customer App Tokyo Data Center • Understands daily data replication required • Monitors spot pricing • Determines optimal time to initiate connection • End user gets best pricing, pays only for BW needed • Pacnet optimal resource utilization & sticky customer service

Pacnet Deployment Use Case Pacnet deployment of first widely commercially available Network Virtualization of the Optical Layer using Infinera Open Transport Switch (OTS) Extends PEN Ethernet Naa. S to new SDNcontrolled dynamic optical layer increasing Naa. S to Nx 10 G & Nx 100 G levels 15 | © 2015 Infinera

Telefónica Multi-Layer SDN Architecture Po. C Network as a Service (Naa. S) Polic y Agen t ALTO Server ABNO Controller VNT M L 3 PCE L 1 PCE Topology Module Provisioning Manager Application: Dynamic MPLS tunnel service creation in multi-layer, multivendor environment. OAM Handler I 2 RS Clien t Multi-Layer SDN Control Layer MX-240 -2 10 G MX-240 -1 10 G OTS 10 G 16 | © 2015 Infinera • • • REST/JSON Open. Flow Netconf/YANG PCEP BGP-LS Open Transport Switch (OTS) DTN 2 100 G 10 G OTS Bandwidth Virtualization Digital Switching 100 G DTN 1 Multiple south-bound protocols MX-240 -3 OTS 100 G Multi-layer PCE-based controller: Point and click IP/MPLS services w/automatic router & transport layer provisioned automatically DTN 3 DWDM Super-Channels Intelligent Transport Abstraction

Multi-layer orchestration with OSCARS-TE Configuration Manager Topology Exchange ESNet Circuits Reservation System (OSCARS) Multi-Layer Topology App Multi-Layer Path Engine OSCARSTE Multi-Layer SDN Management Modules Multi-Layer Provisioning SDN Controller Traffic Optimization Engine Floodlight Open. Flow 1. 0 Site A Site B Packet Network REST/JSON B A A, B, C – Packet Switches OTS X, Y, Z – Optical Transport 17 | © 2015 Infinera C OTS Y X Z Optical Transport Network Hot Interconnect 2014

Summary 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, Naa. S, Bo. D) 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 18 | © 2015 Infinera

Thank You 19 | © 2015 Infinera