SDN & NfV – where are we and where are we heading? - PowerPoint PPT Presentation

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SDN & NfV – where are we and where are we heading?

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  1. beatty@cyaninc.com SDN & NfV– where are we and where are we heading?

  2. Agenda Router Offload WAN & Cloud– integration and orchestration NfV Cyan Confidential

  3. Router Offload

  4. L3 Router OffloadService Orchestration Use Case • Internet edge Offload • Extending the life of edge interfaces by keeping intra-metro traffic in the metro • Data Centre Gateway optimization • Selective routing of inter-DC traffic before traffic hits the DC gateway. • Provide fine-grained control of traffic flows to support low latency/cost DC interconnect CYAN CONFIDENTIAL

  5. Layer 3 Offload Use-Case Route Reflector IBGP L2 Aggregation L2 Aggregation L3 Offload #1 PE #1 j j CPE #1 CPE #4 CPE #2 CPE #3 IP/MPLS Core IBGP PE #2 L3 Offload #2 Static routing/eBGP CYAN CONFIDENTIAL

  6. L3 Router OffloadOrchestration Requirements • OpenFlow used for south-bound control to keep the solution open & flexible. • Dynamic OpenFlow methodology used to discover offload physical topology. • SDN controller talks BGP to learn logical topology. • Mapping between existing and new offload topology configured via API. • Policy-Based Offload: • Traffic analysis determines candidate routes for offload • L3 switch FIB limiting factor in solution scalability CYAN CONFIDENTIAL

  7. IP Edge Offload Orchestration SDN Controller Provisioning, monitoring, dynamic forwarding policies, etc. Route Reflector OpenFlowStack iBGP Stack iBGP iBGP L3 Switch & Aggregation L3 Offload #1 CE Router #1 CE Router #2 CE Router #3 CE Router #4 PE #1 j IP/MPLS Core iBGP PE #2 L3 Offload #2 Static routing/eBGP CYAN CONFIDENTIAL

  8. DC Interconnect Offload SDN Controller Provisioning, monitoring, dynamic forwarding policies, etc. OpenFlowStack L3 Offload #1 Data Centre 1 wss IP/MPLS Core & Transit wss Static routing/eBGP L3 Offload #2 Data Centre 2 CYAN CONFIDENTIAL

  9. SDN Use Case WAN + CloudService Orchestration

  10. Data Center Interconnect (DCI) Scenario • Virtualization has made compute all singing and dancing • Network aren’t currently as agile • Lack of orchestration mandates too much or not enough… Demand-based migration of VMs, compute tasks, and content Insufficient resources or overprovisioned bandwidth Data Center Data Center Ethernet & Optical Carrier Network CYAN CONFIDENTIAL

  11. Enterprise toCloud Connectivity Business Apps OSS Customer Front-End SDN Orchestration & Back-End Network Virtualization Self-Provisioning SLA Monitoring Performance Management Usage Billing APIs Automatic allocation of data center resources including VMs 3 Multi-Vendor Element Adapters Customer Portal PCE and A-to-Z Provisioning OpenFlow OpenStack & Quantum Customer orders cloud service (e.g. IaaS) Data center connectivity automatically provisioned 1 2 Data Center Data Center Enterprise Ethernet & Optical Carrier Network CYAN CONFIDENTIAL

  12. Multi-vendor POC CYAN CONFIDENTIAL

  13. NFV Definition and Framework

  14. NFV

  15. CYAN CONFIDENTIAL

  16. CYAN CONFIDENTIAL

  17. NFV • NfV is an endgame which is enabled by SDN. • NfVneeds cloud management stuff – and more. • Network & Application aware orchestration. DPI CDN BRAS

  18. NFV OSS MANO Provider Edge Mobile Packet Core BRAS SBC CDN DPI NFVO MC PE PE BR BR PE PE MC DPI MC PE DPI PE MC MC SBC CDN SBC MC CDN

  19. OSS More Sub’s! MANO One more BRAS VM NFVO Load Balancer Firewall BRAS DPI

  20. OSS MANO 5 more MPC VM’s Footy’s on, getting busy over here! NFVO Mobile Packet Core Firewall BRAS DPI EMS

  21. OSS Fancy enterprise service x for customer y MANO One slice of PE attached to… …a hosted firewall and… … a bit of DPI NFVO Load Balancer Firewall Provider Edge DPI

  22. Today Provider B Provider A Wholesale Enterprise Enterprise Legend: Data Center - Network functions as specialized physical NEs Residential Wireless CYAN CONFIDENTIAL

  23. NFV Initial Introduction • Select NFs virtualized Provider B Provider A Wholesale Enterprise Enterprise Legend: Data Center - Network functions as specialized physical NEs - Data Center providing NFV Infrastructure services Residential - Generic switch as physical NE Wireless - Virtual network functions CYAN CONFIDENTIAL

  24. NFV Wider Adoption • Majority of economically compelling NFs virtualized • Larger freedom of (re-)location • Consolidations Provider B Provider A Wholesale Enterprise Enterprise Legend: Data Center - Network functions as specialized physical NEs - Data Center providing NFV Infrastructure services Residential - Generic switch as physical NE Wireless - Virtual network functions CYAN CONFIDENTIAL