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Achieving Seamless IP Optical Network Integration

Achieving Seamless IP Optical Network Integration. OIF Interoperability Update Amy Wang, Avici Systems. Agenda. Traditional optical network architecture OIF history OIF technical working groups OIF protocol implementation agreements and demonstration milestones OFC UNI/NNI demo highlight

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Achieving Seamless IP Optical Network Integration

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  1. Achieving Seamless IP Optical Network Integration OIF Interoperability Update Amy Wang, Avici Systems

  2. Agenda • Traditional optical network architecture • OIF history • OIF technical working groups • OIF protocol implementation agreements and demonstration milestones • OFC UNI/NNI demo highlight • Next steps

  3. Traditional Optical Network Architecture • Manual configuration - inefficient usage of the network resource and slow service turn up time • IP & transport networks managed separately - not cost effective nor efficient for planning or managing changes • Lack of open standards/ interoperability – does not allow carriers to leverage multiple vendors for best of breed solutions As a result, it is evident that carriers require solutions over unified control plane across IP and optical layer

  4. OIF History • Founded in 1998, OIF is an open forum focused on accelerating the deployment of next generation optical interworking networks • OIF provides a venue for equipment manufacturers, users, carriers and service providers to work together to • develop key specifications to ensure the interoperability of optical networks • resolve deployment issues

  5. OIF Technical Working Groups Carrier Working Group Carrier Requirements Carrier Requirements Architecture Interoperability Results and findings Physical Link Layer WG Signaling OAM&P Implementation Agreements Protocol WGs Implementation Agreements Interoperability Results and findings Interoperability Interoperability Results and findings

  6. Protocol Implementation Agreement and Demonstration Milestones • OIF UNI 1.0 • User Network Interface (UNI) 1.0 Signaling Specification • An interim UNI 1.0 public demo held at SuperComm 2001 proofed UNI interworking with over 25 vendors on control plane and data plane • NNI Implementation Agreement for OFC 2003 • Inter domain signaling • Inter domain OSPF/ISIS based routing

  7. OIF UNI/NNI Network Reference Model • UNI (User-Network Interface) - a signaling mechanismbetween clients and transport devices • NNI - communication and signaling method among optical domains in the optical core network (intra carrier, inter domain) UNI NNI NNI Transport domain Transport domain IP routers UNI UNI Transport domain NNI NNI NNI Transport domain Optical Core UNI NNI NNI IP routers UNI Transport domain UNI Transport domain Transport domain IP routers optical Connections IP Connections

  8. OIF UNI/NNI Public Demonstration at OFC 2003 • Demo Highlight • the world’s first routed optical networking interoperability event ever • UNI and SPC initiated connection setup and removal across multi domains over control plane • Call Detail Records for UNI 1.0 billing • Participated by over 12 vendors • Alcatel, Avici Systems, Ciena Corporation, Data Connection Limited (DCL), Elematics, Mahi Networks, NEC, Motorola/ Netplane, Nortel Networks, Sycamore, Tellabs and Tellium

  9. OIF UNI/NNI Public Demonstration at OFC 2003 (Cont) Core Domain 4 Core Domain 1 Core Domain 3 Core Domain 6 Core Domain 5 Core Domain 2

  10. Next Steps • Document interop findings and feedbacks based on the closed door test event • Continue to collaborate with the rest of the technical working groups on • Deployment recommendations • Focus on serviceability features and applications

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