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Role of Control Plane Advances in the Creation of Flexible Transport Networks

Role of Control Plane Advances in the Creation of Flexible Transport Networks. Vijay Vusirikala, Infinera. DWDM. Digital Bandwidth Management. Photonic integration enabled 100Gb/s line cards Digital PMs and OAMP Digital wrapper for multi-service support.

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Role of Control Plane Advances in the Creation of Flexible Transport Networks

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  1. Role of Control Plane Advances in the Creation of Flexible Transport Networks Vijay Vusirikala, Infinera

  2. DWDM Digital Bandwidth Management • Photonic integration enabled 100Gb/s line cards • Digital PMs and OAMP • Digital wrapper for multi-service support • Sub- add/drop, switching and grooming • Digital protection • Multi-way junction node switching GMPLS • Automated equipment and topology discovery • End-to-end circuit routing and provisioning • Bandwidth efficient restoration • Dynamic “Bandwidth-on-Demand” GMPLS in Digital Optical Networks

  3. End-to-end data plane continuity enables fully automated operational model Any service at any node Service layer decoupled from transmission layer Digital Electronics & Software Integrated Photonics Integrated Photonics • Sub- add/drop • Digital switching • Signal regeneration • Digital Protection • Digital OAMP GMPLS in Digital Optical Networks Truly unconstrained reconfigurable optical networking

  4. GMPLS in All-Optical ROADMManual OEO Touch Points Limit GMPLS Benefits • Intermediate manual OEO touch points limit end-to-end automated operational model • Muxponders for aggregating sub- services • Regen transponders for reach limitations • Wavelength converters to overcome wavelength blocking • Service paths coupled to transmission layer design constraints • Results in limited protection and restoration options New A-Z demand 8 x 1G 1G 1G Regeneration Wavelength conversion

  5. ? ? ? GMPLS in OXC + Static DWDM Architecture • Benefits of GMPLS control plane limited to switching layer • Common management views and end-end control plane intelligence need additional integration effort • No sub- switching, grooming or protection at intermediate degree-2 OADM sites

  6. LSA Equipment view Topology view Create Circuit tool Circuit view Alarm view GMPLS In Digital Optical Networks Auto-discovery of topology and equipment Point-and-click service provisioning Restoration of multiple failures GMPLS UNI based bandwidth on demand

  7. Summary • GMPLS control plane simplifies & automates service provisioning • Integrated bandwidth management in Digital Optical Networks enables end-to-end GMPLS intelligence • GMPLS enabled services optimize the performance of IP layer • Integrated protection and restoration capabilities • GMPLS UNI based dynamic bandwidth reconfigurability

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