Multi-layer Control Plane
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Multi-Layer Control Plane - Session: Packet-Optical Transport & Switching Innovation

Multi-Layer Control Plane - Session: Packet-Optical Transport & Switching Innovation

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Multi-layer Control Plane Presentation Transcript

  • 1. Multi-Layer Control Plane
    Session: Packet-Optical Transport & Switching Innovation
    Joe Whitehouse
    Metaswitch Networks
    Network Technologies Division
    Joe.whitehouse@metaswitch.com
  • 2. Metaswitch Control Plane Expertise
    Previously Data Connection Ltd. (DCL)
    • Network Protocol source code since 1983
    • 3. 1st portable GMPLS protocol solution
    • 4. 1st portable O-UNI protocol solution
    • 5. 1st portable LMP protocol solution
    • 6. 1st portable G.709 OTN protocol solution
    • 7. 1st portable MPLS-TP protocol solution
    Customers
  • 8. P-OTS: Don’t Forget About the Control Plane
    Control plane functions
    Automated LSP set up, tear down
    On-Demand provisioning
    Automated protection & restoration
    Link bundling
    Automated discovery
    Control plane benefits
    Reduced OPEX
    Facilitates network migration
    OAM negotiation
    Increased availability
    Quicker service set up time
    Reduced human errors
    New services
    Key application for service providers:
    ASON/GMPLS Control Plane
    Source: Infonetics, 2011
  • 9. Multi-Layer Control Plane
    Multiple layers can include
    MPLS-TP transport service sublayer
    MPLS-TP transport sublayer
    TDM layer (ODU)
    WDM layer (OCh)
    GMPLS is common
    Carriers use only the layers needed
  • 10. Multi-Layer Control Plane: Making it Work
    Client – Server model
    Common in our industry: see IETF, MEF, OIF UNI implementations
    Horizontal and vertical interoperability
    Source: OIF
  • 11. Inter-Area Control Plane ConsiderationsPCE
    Optimal path
    calculated
    Optimal path
    calculated
    Optimal path
    calculated
    DomainB
    Domain C
    Domain A
    = PCE Server
    = PCE Protocol
    = TE Path
    More than just inter-area solution
    Lower CAPEX
    Optimal relocation of network intelligence
    Solves complex routing issues (WDM/OTN)
  • 12. Summary
    Control plane has significant benefits
    Large demand by service providers
    P-OTS/OTN = Multi-layer Multi-layer control plane
    GMPLS is common across layers
    GMPLS standardized and well understood for years
    Inter-area and client-server considerations to be made