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Nicolas Fischbach SDN Summit presentation October 2013
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Nicolas Fischbach SDN Summit presentation October 2013

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  • 1. © 2010 Colt Technology Services Group Limited. All rights reserved. SDN and NFV use cases Nicolas Fischbach Director, Network & Platform Strategy and Architecture
  • 2. 2 Colt – Europe’s Information Delivery Platform • 44,000km EU high capacity long distance network, 27,000 transatlantic • Connecting 22 countries, 39 metro networks and >150 cities • 20 data centres and 19,000 connected buildings • 500+ NNIs, customers in 77 countries • MEF / ONF / NFV Member
  • 3. 3 Agenda SDN & NFV stack: Colt’s approach SDN and NFV vision & target architecture “Internal” use cases “External” use cases Summary 1 2 3 4 5
  • 4. 4 SDN and NFV use cases stack and history «Legacy» infrastructure «Next-gen» infrastructure SDN / NFV infrastructure «enablers» Internal use cases External use cases Architecture &engineering BUs Customers Hype Networks Systems Platforms Ideas generation
  • 5. 5 Agenda SDN & NFV stack: Colt’s approach SDN and NFV vision & target architecture “Internal” use cases “External” use cases Summary 1 2 3 4 5
  • 6. 6 Modular MSP Network Layer Integration Next Generation Access Next Generation Datacentre Fabric Network Functions Virtualization Agile Infrastructure Services Next Generation Storage
  • 7. 7 SDN Target Architecture Data Centre Network Fabric Controllers Application Intelligence Compute Instance Compute Instance Compute Instance Compute Instance 1 2 3 Metering and Billing OSS (and BSS) Customer Hybrid Network Storage Instance Storage Instance Software Defined Datacentre NFV#1 / NGA Modular MSP NLI NG-DCF AIS NG-S NFV#2 CloudManagementSystem
  • 8. 8 Agenda SDN & NFV stack: Colt’s approach SDN and NFV vision & target architecture “Internal” use cases “External” use cases Summary 1 2 3 4 5
  • 9. 9 Colt’s SDN and NFV current & future development L3 CPE virtualisation (NLI) L3 CPE router virtualisation: • virtualisation of the L3 CPE functionality (Internet access / IPVPN) in the cloud DC Fabric & Network virtualisation (CCN) DC Fabric • OpenFlow DC Fabric evaluation DC Network virtualisation: • Virtual Network decoupled from physical hardware. • VMs unrestricted placement & mobility. • Dynamic network policies. • Address Space virtualisation (VLAN/MAC). • Network Virtual Services APIs • Network Automation (APIs & orchestration) WAN SDN (NLI / Mod MSP) WAN SDN Network (Optical/Ethernet/IP): • WAN network virtualisation & automation • End-to-end unified network abstraction allowing for true technology layer & vendor integration.
  • 10. 10 Colt SDN Application I : L3 CPE virtualisation • Objective: avoid deploying a dedicated L3 CPE router by virtualizing its functionality: significant Opex & Capex savings and source of innovation ! • Part of NLI (Network Layer Integration) project started in 2011 • Phase 1: L3 CPE virtualisation based on L3 PE functionality (both Hw & Sw) – Basic Internet Access launched – Work in progress: Internet Access with advanced features and IPVPN • Phase 2a: cloud L3 virtual CPE – Virtualize the L3 CPE functionality in the Cloud (as per NfV) – Other functions in the radar: FW, LB, WAN Optimisation • Phase 2b: OpenFlow CPE (tentative) – Integrated CPE with OpenFlow functionality – Rich L3 CPE functionality delivered from the PE or from NfV – Greatly simplify carrier Ethernet CPE functionality
  • 11. 11 Colt SDN Application I : Customer Colt Data Centre Colt Node L2/L3 Packet DWDM Optical Colt Node Customer Colt Data Centre DC Fabric DC Fabric INTERNET L3 L2 L1 L2 L3 L1 Virtual CPE VM VM VM VM NfV Virtual FW Virtual LB SDN Controller Customer L3 CPE virtualisation
  • 12. 12 Colt SDN Application II : • DC Network virtualized, but WAN remains static, rigid and complex • Next step (research mode) to bring SDN to the WAN (L1/L2/L3) : WAN virtualisation & automation: – Flexible connectivity – Dynamic / On-demand connectivity attributes (BW, QoS profile) – WAN Network abstraction (multi-vendor, multi-layer) – In-life service-type change • Colt interested in both DC and non-DC WAN scenarios: – Cloud Inter-DC (data & storage) – Enterprise to DC (Public / Private Cloud) – Enterprise to Enterprise Optical & Carrier Ethernet VPN • WAN SDN overlay solutions seem current realistic approach (several models): – OpenFlow (with transport extensions if needed) agents in WAN network devices: standard API for configuration, monitoring & configuration – Alternative to manage OF agent at the SDN controller plus other classic protocols (SNMP, etc) – Existing transport control planes available (RSVP-TE, GMPLS, etc) for overlay solutions – A mixed set of models (Overlay/Hybrid/OSS-based) to be analysed WAN SDN
  • 13. 13 Colt SDN Application II: Customer Colt Data Centre Colt Node L2/L3 Packet DWDM Optical Colt Node Customer Colt Data Centre DC Fabric DC Fabric INTERNET L3 L2 L1 L2 L3 L1 VM VM VM VM Customer DC/WAN NetworkSDN Controller Colt Orchestrator / Business Application Cloud Controller DC Network SDN Controller DC Fabric L2/L3 Optical DC/WAN Network SDN Controller Compute Storage Virtualized Optical Network DC-DC Optical Circuit GMPLS provisioned Enterprise-DC Optical Circuit GMPLS provisioned WAN SDN
  • 14. 14 Colt SDN Application II: Customer Colt Data Centre Colt Node L2/L3 Packet DWDM Optical Colt Node Customer Colt Data Centre DC Fabric DC Fabric INTERNET L3 L2 L1 L2 L3 L1 VM VM VM VM Customer DC/WAN Network SDN Controller Colt Orchestrator / Business Application Cloud Controller DC Fabric L2/L3 Optical DC/WAN Network SDN Controller Compute Storage Virtualized Carrier Ethernet Network DC-DC Carrier Ethernet Circuit Per-Hop OpenFlow Provisioned Enterprise-DC Carrier Ethernet Circuit Per-Hop OpenFlow Provisioned Enterprise-Enterprise Carrier Ethernet VPN Per-Hop OpenFlow Provisioned WAN SDN
  • 15. 15 Agenda SDN & NFV stack: Colt’s approach SDN and NFV vision & target architecture “Internal” use cases “External” use cases Summary 1 2 3 4 5
  • 16. 16 EPN/SDN Stadiums Broadcast Studio “Colt Live” offering for the media sector Elastic bandwidth for infrequent applications API (orchestrator) EPN/IP/SDN Example of external use cases (1)
  • 17. 17 Bandwidth Quality of Service Eth/IPVPNPortal API Service Console and Dashboard (SCAD) Optical/EPN/IP/DC fabric SDN controller WAN as a Service New connections/ Bandwidth/QoS change/ In-life hybrid networking Example of external use cases (2)
  • 18. 18 Agenda SDN & NFV stack: Colt’s approach SDN and NFV vision & target architecture “Internal” use cases “External” use cases Summary 1 2 3 4 5
  • 19. 19 Summary • SDN/NFV still too upstream/abstract for most CIOs ? • Engage with your customers, find out what they need / want that can help their business problems (not just a cheaper service) • Many still focus on visibility, portal over APIs and «bandwidth flexing» • Impact of accelerated pace of change and new consumption models • Not just HW vs SW cycles – not everything is doable in SW • Not-so-GA products, creative and complex licensing models • « research, RFx, development, TAT, deployment» every 6 months ? • SDN is a key contributor to automation and orchestration/policy (faster delivery/change, more agility, better utilisation, standard services) • NFV and service chaining will change the way we deliver L3-L7 services even more – not just vCPE
  • 20. © 2010 Colt Technology Services Group Limited. All rights reserved.© 2010 Colt Telecom Group Limited. All rights reserved. Thanks. Questions? nico@colt.net // @niCRO www.colt.net

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