Colt unlocking the potential of NFV and SDN

2. 2 2 Agenda NFV & SDN Definition, Relationship & Status About Colt Colt Plan: SDN/NFV Developments Summary thoughts 1 2 3 4

3. 3 3 NFV Definition BRAS Firewall DPI CDN Tester/QoE monitor WAN Acceleration Message Router Radio/Fixed Access Network Nodes Carrier Grade NAT Session Border Controller PE Router SGSN/ GGSN Fragmented non-commodity hardware Physical install per appliance per site Hardware development large barrier to entry for new vendors, constraining innovation & competition Classical Network Appliance Approach Network Functions fully defined in SW (VNFs) VNFs provided by independent software vendors VNFs running on standard high-volume (COTS) servers, storage and switches Benefits: Opex & Capex savings, better time to market Network Functions Virtualisation Approach VNF VNF VNF VNF Software Functions Standard Servers & Switches

4. 4 4 NFV & SDN Relationship Network Functions Virtualisation Approach VNF VNF VNF VNF Software Functions / COTS Servers Standard Switches NFV SDN Software-Defined Network Functions Standard high-volume servers, storage & switches In theory could run on top of any network technology (even non-SDN) Network requirements: real-time dynamic provisioning, seamless control, openness Software-Defined Networking Separation of control and data plane to accomplish: elasticity, on-demand, programmability and scalability SDN ideal underlying network for NFV Key SDN use cases: VNF Forwarding Graph (service chaining) and NFVIaaSA B

5. 5 5 Benefits of OpenFlow-Based SDN in the Context of NFV OpenFlow provides dynamic, automated, open and multivendor networking connectivity OpenFlow configures in a standard (and open) way both physical and virtual entities: key requirement for NFV OpenFlow promotes decoupling of hardware and software, with industry openness and standards to accelerate innovation which correlate with NFV principles Server Hypervisor Server Hypervisor Server Hypervisor A B Network Device Network Device Network Device ONF Solution Brief: https://www.opennetworking.org/solution-brief-openflow-enabled-sdn-and-network-functions-virtualization

6. 6 6 Openness and SDN 6 Infrastructure Layer Control Layer Application Layer Business Applications API Network Services API API Network Services Open Northbound API Control Layer Componentization Standard SW Services Platform NFV Open Southbound API SDN and Mgmt. Applications OSS/BSS ONF SDN Architecture Source: BrightTalk Webinar: SDN & Openness, Marc Cohn, Apr 17, 2014

7. 7 7 Colt The Information Delivery Platform 46,000km EU Fibre network / 37,000 transatlantic 23 countries / 41 metros / 192 connected cities 20 Colt owned data centres / 19,800 connected buildings 500+ NNIs / customers in 79 countries MEF / ONF / NFV Member

8. 8 8 Plan: Colts SDN/NFV Infrastructure Development DC Fabric & Network virtualisation (CCN) DC Fabric OpenFlow DC Fabric evaluation (2012, not mature enough) DC Network virtualisation & Architecture: SDN Overlay: L2-L4 DC Network Virtualisation & DC Architecture WAN SDN Live Feb14 L3 CPE router virtualisation (PE based): NLI Project virtualisation of the L3 CPE functionality (Internet access / IPVPN) NFV: Formal Evaluation & PoC in 2014 vL3CPE / vDC Appliances (FW/LB) / vControl Plane (BGP RR) Live Nov12 Network Functions Virtualisation (NFV)

9. 9 9 vL3CPE (Internet Access / IPVPN) - Definition Customer MSP / L2 CPE M-MSP (L2/L3) Gen 4 DC Compute Storage Physical Compute / Appliance IP/MPLS (Internet/IPVPN) Spine Leaf Leaf L3CPE Traditional Managed L3 services (Internet Access and IPVPN ) delivered with dedicated L3 CPE router vL3CPE means removing the L3 CPE router and delivering the functionality as Virtual network Functions (in software) Several locations being considered for the vL3CPE VNF Current Location: L3 PE Main NFV target location: Colt DC (NFV Platform / SDN Overlay) Optional location in some cities (e.g. without DC): Colt Node Additional Optional location: L2 CPE (distributed NFV) vCPEvCPE vCPE vCPE vCPE vCPE vCPE

10. 10 10 Plan: Colts SDN/NFV Infrastructure Development DC Fabric & Network virtualisation (CCN) DC Fabric OpenFlow DC Fabric evaluation (2012, not mature enough) DC Network virtualisation & Architecture: SDN Overlay: L2-L4 DC Network Virtualisation & DC Architecture Live Feb14 L3 CPE router virtualisation (PE based): NLI Project virtualisation of the L3 CPE functionality (Internet access / IPVPN) NFV: Formal Evaluation & PoC in 2014 vL3CPE / vDC Appliances (FW/LB) / vControl Plane (BGP RR) Network Functions Virtualisation (NFV) Live Nov12 WAN SDN Network (Optical/Ethernet/IP): Modular MSP (Integrated L2/L3 WAN Network) End to end WAN network abstraction & full automation in a multivendor, multi-layer environment Flexible connectivity, i.e., ability to dynamically / on-demand change the connectivity attributes of the service (BW, QoS profile, etc). WAN SDN Live Nov13

11. 11 11 Summary - SDN/NFV, an Operator Perspective Reality check: SDN/NFV maturing, but still early days: ONF / IETF / NFV / OpenSource core work still in progress (long journey). Most products today not commercially available, some proprietary solutions DC SDN overlay solutions are real (Pilot completed, vendor selected, live deployment Feb14 in Colt) But, too rapid evolving technology, some proprietary Long term (3-5 year) key challenges for Operators: How to manage installed base / legacy technologies (network & OSS) How to avoid closed, vertically integrated architectures again Critical need for network visibility/analytics tools for real carrier adoption OpenSource vs Standarization: Carriers typically not used to OpenSource? Business transformation challenges cant be dismissed!

Technology

Colt unlocking the potential of NFV and SDN