Game Changing Multilayer Networking - TNC 2017
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Multilayer optimization deals with projected traffic demands of each type of service traffic, by constructing and analyzing different combinations for handling traffic across the transport layers to end up with a whole that is much less than the sum of the parts. Moreover, when combined with centralized SDN control it promises to be a platform for innovative services that generate new revenue streams. While the payoffs are huge, SDN-controlled multilayer-optimized networks are not trivial. There is a rocket science element to the underlying algorithms, and this increases in complexity when combined with real time control. The presentation will discuss the motivations, benefits, and approaches, for SDN-controlled, multilayer optimized networks.
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Game Changing Multilayer Networking - TNC 2017
- 1. ECI Proprietary GAME CHANGING SOFTWARE DEFINED MULTILAYER NETWORKING Hayim Porat CTO TNC Linz, June 2017
- 2. ECI Proprietary 2 CURRENT SITUATION – ROUTER VIEW Routers know with whom they are connected, but have no idea how they are connected. Each router needs additional ports and connections as backup in the event of optical network failures. Logical router connections Opaque Optical Network Physical router connections
- 3. ECI Proprietary 3 CURRENT SITUATION – OPTICAL VIEW The optical transport network pairs up interfaces across geographic distances, but has no knowledge of the services being carried. Opaque Services
- 4. ECI Proprietary 4 Abstract view of network resources Intent driven network control SDN Multilayer Orchestration and Applications Packet layer Logical connection Packet Domain Controller (PDC) Optical Domain Controller (ODC) Physical connection Optical layer Abstractview Intentcontrol SOLUTION: SDN CONTROL • Combines services and connection views • Basis for Multilayer • Provisioning • Restoration • Optimization
- 5. ECI Proprietary 5 B A COMBINED SDN MULTILAYER VIEW Routers can use the optical network to manage restoration. This reduces the number of expensive router ports and associated optical connections. We can do more with less. Physical router connections Logical router connections
- 6. ECI Proprietary 6 SDN MULTILAYER NETWORKING PROMISE Fast Service Provisioning • Increase customer responsiveness • Network-as-a-Service (Naas) and bandwidth-on-demand services Dynamic Service Restoration • Reduces reliance on dedicated protection • Additional mechanism to guarantee SLAs Multilayer Network Optimization • Serve aggregated traffic demand with fewer resources • Capex savings Network Automation • Eliminate human errors • Opex savings • Advanced IoT and M2M services
- 7. ECI Proprietary 7 SO THE FUTURE SEEMS BRIGHT?
- 8. ECI Proprietary 8 REALITY HAS ROADBLOCKS
- 9. ECI Proprietary 9 SDN Never Happened • Being able to configure your network using (some sort of) abstract API does not make them software defined • OpenFlow offered both and control plane and (to some degree) data plane programmability but never caught on • P4 is not in a better shape • Netconf/YANG is not SDN
- 10. ECI Proprietary 10 Abstract view of network resources Intent driven network control SDN Multilayer Orchestration and Applications Packet layer Logical connection Packet Domain Controller (PDC) Optical Domain Controller (ODC) Physical connection Optical layer Abstractview Intentcontrol “NNI GAP” EXISTS • Different vendors usually supply the packet and optical layers • Effective SDN multilayer orchestration requires exposing the optical (OCH) NNI data model • Today this information is proprietary, due to optical networking “complexity” NNI Gap Proprietary
- 11. ECI Proprietary 11 Domain A Domain B E-NNI Gap “E-NNI GAP” ALSO EXISTS • Multi-domain multilayer requires sharing E-NNI info between SDN orchestrators • Being addressed by Life Cycle Service Orchestration Logical connection Physical connection E-NNI Info
- 12. ECI Proprietary 12 WAY FORWARD Optical Domain Controller (ODC) Optical layer Abstractview Intentcontrol Proprietary vendor-specific data model Optical Domain Controller (ODC) Optical layer Open standard data model Abstractview Intentcontrol Single Packet/Optical Vendor Multilayer SDN Orchestration Multi Packet/Optical Vendors Multilayer SDN Orchestration Proprietary Open
- 13. ECI Proprietary 13 ECI POSITION • Committed to a multilayer, multidomain, multivendor SDN ecosystem, based on code and not (just) standards • Have already shared an ODU model with ONOS, and are prepared to open our optical model as well • Will not happen without market pull Planning & Operations Applications Abstract view of network resources Intent driven network control OSS / NG-OSS / End-to-End Orchestration LightCONTROL SDN Orchestrator Domain Controllers (ECI / 3rd party) Multidomain MultivendorMultilayer Modern PaaS Microservices platform
- 14. ECI Proprietary 14 SUMMARY • Huge potential benefits from multilayer SDN-control • To achieve full potential optical vendors need to create and expose a standard OCH data model • Particularly needed for “proactive” control • Time is against us
Editor's Notes
- SDN promises many benefits. Fast service provisioning. Basis for NaaS and Bandwidth on Demand services. Dynamic service restoration (mention centralizing WSON and ASON). Network automation, particularly important in dealing with service requests in an IOT world. Multi Layer optimization. Do more with less.
- SDN promises many benefits. Fast service provisioning. Basis for NaaS and Bandwidth on Demand services. Dynamic service restoration (mention centralizing WSON and ASON). Network automation, particularly important in dealing with service requests in an IOT world. Multi Layer optimization. Do more with less.
- SDN or software defined networking brings the provisioning function of network management into a new era, of multi-layer intelligence, powerful abstract interfaces, and real-time control. ECI’s implementation follows the hierarchical approach currently being adopted. An optical domain controller governs the OTN and DWDM layers, an packet domain controller governs the packet switches and routers, and these come together in an ECI SDN orchestrator. All the controllers use standards-based open interfaces so that they can integrate into third party SDN orchestrators, depending on how you as a service provider want to build your SDN ecosystem.
- SDN promises many benefits. Fast service provisioning. Basis for NaaS and Bandwidth on Demand services. Dynamic service restoration (mention centralizing WSON and ASON). Network automation, particularly important in dealing with service requests in an IOT world. Multi Layer optimization. Do more with less.
- SDN promises many benefits. Fast service provisioning. Basis for NaaS and Bandwidth on Demand services. Dynamic service restoration (mention centralizing WSON and ASON). Network automation, particularly important in dealing with service requests in an IOT world. Multi Layer optimization. Do more with less.
- SDN or software defined networking brings the provisioning function of network management into a new era, of multi-layer intelligence, powerful abstract interfaces, and real-time control. ECI’s implementation follows the hierarchical approach currently being adopted. An optical domain controller governs the OTN and DWDM layers, an packet domain controller governs the packet switches and routers, and these come together in an ECI SDN orchestrator. All the controllers use standards-based open interfaces so that they can integrate into third party SDN orchestrators, depending on how you as a service provider want to build your SDN ecosystem.
- SDN promises many benefits. Fast service provisioning. Basis for NaaS and Bandwidth on Demand services. Dynamic service restoration (mention centralizing WSON and ASON). Network automation, particularly important in dealing with service requests in an IOT world. Multi Layer optimization. Do more with less.
- SDN promises many benefits. Fast service provisioning. Basis for NaaS and Bandwidth on Demand services. Dynamic service restoration (mention centralizing WSON and ASON). Network automation, particularly important in dealing with service requests in an IOT world. Multi Layer optimization. Do more with less.
- SDN or software defined networking brings the provisioning function of network management into a new era, of multi-layer intelligence, powerful abstract interfaces, and real-time control. ECI’s implementation follows the hierarchical approach currently being adopted. An optical domain controller governs the OTN and DWDM layers, an packet domain controller governs the packet switches and routers, and these come together in an ECI SDN orchestrator. All the controllers use standards-based open interfaces so that they can integrate into third party SDN orchestrators, depending on how you as a service provider want to build your SDN ecosystem.
- SDN or software defined networking brings the provisioning function of network management into a new era, of multi-layer intelligence, powerful abstract interfaces, and real-time control. ECI’s implementation follows the hierarchical approach currently being adopted. An optical domain controller governs the OTN and DWDM layers, an packet domain controller governs the packet switches and routers, and these come together in an ECI SDN orchestrator. All the controllers use standards-based open interfaces so that they can integrate into third party SDN orchestrators, depending on how you as a service provider want to build your SDN ecosystem.