Topical Session 7: SD-WAN & Network Virtualization Orchestrated Service Assurance - An Enabler to Realize the Benefits of Virtualization 22-01-2018 1530-1645 Ken Gold Leader, Solutions Marketing EXFO
Operators Technology Transformations Network Modernization Cloud Enablement Virtualization Data Analytics
Challenge #1: Physical to Hybrid Networks Domains & Silos Radio Optical Ethernet IMS Video Virtual Network OSS (Service Fulfillment, Configuration, Inventory, Assurance, etc.) Orchestration & Control EMS/NMS (FCAPS) EMS/NMS (FCAPS) EMS/NMS (FCAPS) EMS/NMS (FCAPS) VNFs and VNFI DPI Probe Probe DPI FCAPS fault, configuration, accounting, performance, security
Challenge #2: Dedicated to Shared Infrastructure
Challenge #3: Open to Vertically Integrated
Service Assurance A key enabler Customer Portal Operations Portal Service Management Automation Source: Analysis Mason Fulfillment Standard Physical Network (PNFs) Active & Available Inventory Network Slice Data Analytics Assurance Virtualized Virtual Network (VNFs) If you can t assure the service in an agile way, you can t virtualize it.
Architecture Evolution Deprecation of EMS/NMS role in the virtualized environment Redistribution of the role of EMS/NMS in the E2E Orchestration, Control and Assurance ecosystem Decouplinginstrumentation from the service assurance application Orchestrator-driven dynamic & on-demand instantiation/activation of monitors/instrumentation Active, Passive, VNF infrastructure OSS Active and Available Inventory Assurance Analytics Engine EMS/NMS Physical Network (PNF s) Business Operations and Customers Multi domain End-to-End Service Orchestration Monitoring Domain Controller Instrumentation SDN Domain Controller VNF manager VNF infrastructure Virtual Network (VNF s) SDN Domain Controller MANO
Service Assurance Throughout the Lifecycle Automation Elasticity Multi-tenant Portability Resiliency VNF Infrastructure Assurance QA Testing End-to-End Service Assurance Active Functional and Load Testing Lab Network Testing Active, Passive & NFVI Testing & Monitoring Live Network Testing, Monitoring & Optimization Pre-launch Testing (Simulation) New Service Validation & Birth Certificate Service Monitoring Troubleshooting Life Cycle Security QoS/QoE VNF and PNF mix Service continuity Service chaining
Orchestrated Service Assurance with Closed Loop Automation Policy & optimization engine Combining active/passive instrumentation with events dynamic and adaptive Closed loop automation with policy and active inventory Analytics engine Predictive cognitive Policy & rules Load & capacity models Shared Resources Live Topology VFN Catalog Multi-domain service orchestration platform MDC Controller(s) Contextual analytics predictive with machine learning & Active Inventory Discovery / Subscribe Streaming Probe Batch Events Process Telemetry Route/Topology Active and Available Inventory
Service Assurance Automation Open Framework Centralized vcpe example Customer portal Operator portal Open APIs Active & Available Inventory (A&AI) OSS/BSS policy input SLA violations E2E Service orchestration Service Design with Instrumentation Service model KPIs Test catalog Probe domain controller WAN Controller(s) Incremental & Iterative Data Control Open APIs VNFs vcpe L2 Y.1564 Turn-up & validation initiated Service up and running! L3 TWAMP active monitoring initiated Service provider CO/DC Service chain instrumented with probes (virtual/physical active/passive) VNFs MPLS BV-3100 Internet EXFO Verifier vpassive vactive Physical (Active/Passive)
Key Takeaways NFV and SDN hold promise Service agility, faster time to market, lower operational costs But also create challenges Real-time management across physical and virtual realms Shared infrastructure, multiple abstractions Vendor-specific ecosystems open to vertical integration Orchestrated Service Assurance enables QoE as a competitive differentiator Dynamic & On-demand: network, service and user context-aware Efficient: automated, scalable & consumption-based Future proof: open interfaces and vendor agnostic