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Emerging Control Plane Standards and the Impact on Optical Layer Services

This article discusses the implications of emerging control plane standards on optical layer services, including the comparison of communication models and flexible service options. It also highlights the importance of ongoing progress, refining specifications, and developing service descriptions for the enhancement of optical networks.

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Emerging Control Plane Standards and the Impact on Optical Layer Services

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  1. Emerging Control Plane Standards and the Impact on Optical Layer Services Thomas DiMicelli, Senior Product Manager Sycamore Networks

  2. Communications Model Comparison OIF Model GMPLS Models IP Layer IP Layer IP Layer IP Layer Network B Network B Vendor A Vendor B Vendor A Vendor B Vendor A Vendor B Vendor A Vendor B Subnetwork A Subnetwork B Subnetwork A Subnetwork B Subnetwork A Subnetwork B Subnetwork A Subnetwork B Optical Layer Optical Layer Optical Layer Optical Layer Network A Network B Network A Network B UNI NNI GMPLS ASON/ASTN Model Control Plane Communication Points Client NE NE NE NE NE NE NE NE Client Subnetwork A1 Subnetwork A2 Subnetwork B1 Subnetwork B2 Network A Network B UNI NNI

  3. Flexible Service Options

  4. Service Delivery Options Service Delivery Options UNI/NNI/GMPLS Service Cornerstones Point and Click Manually Defined Path Point and Click Dynamically Defined Path Multi-rate TDM circuit and/or wavelength setup Bandwidth Services UNI/GMPLS-signaled wavelength service Optical Virtual Private Network UNI/GMPLS-signaled TDM service UNI/GMPLS-signaled OVPN variations Protection and Restoration UNI/GMPLS-signaled Wavelength-level OVPN Uni/GMPLS-signaled Multi-pt/multi-rate OVPN Inter-carrier Dynamic Connection

  5. Service Creation via UNI/NNI Call Details, Circuit Info Carrier’s NOC ISP’s NOC Control Plane Automatic Connection Request OXC OXC Router UNI UNI Domain 2 Router NNI Domain 1

  6. Differentiated Service Classes O-VPN Private Line ,“Gold” 1 + 1 Path Protected (50ms) O-VPN Best Effort Ethernet, “Bronze” Unprotected O-VPN Private Line, “Silver” SILVX Service Management Mesh Protected

  7. Next Steps and Summary • Positive progress in standards-based control plane protocols • Potential for enhancement to optical network remains compelling • Keys to ongoing progress: • Continued effort in refining specifications • Liaisons between standards organizations • Development of service descriptions • Test beds/test plans/test equipment • OSS/NMS integration • Protocol inter-working

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