Giuseppe Fioccola, Telecom Italia Kwang-Koog Lee, KT

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A Yang Data Model for L1 Connectivity Service Model (L1CSM) draft-fioccola-ccamp-l1csm-yang-01 Giuseppe Fioccola, Telecom Italia Kwang-Koog Lee, KT Young Lee, Dhruv Dhody, Huawei Oscar Gonzalez de Dios, Telefonica Daniele Ceccarelli, Ericsson Contributors: Italo Busi, Huawei Sergio Belotti, Nokia CCAMP WG, IETF101 London

Purpose of this draft [RFC4847] provides a framework and service level requirements for Layer 1 Virtual Private Networks (L1VPNs). This draft provides a YANG data model for L1VPN Connectivity Service Model (L1CSM) in the context of L1VPN and [RFC4847] and based on the service definition by MEF Subscriber Layer 1 Connectivity Service Attributes, v0.09. CCAMP WG, IETF101 London

Deployment Scenario 1: L1VPN for External Customer +------------+ | Customer | | Service | |Orchestrator| | .. .. .. .. ..|.. .. .. .. .. .. . : | : : +--------------------+ : : | | : : | +----------+ | : : | | Network | | : : | | SDN | | : : | |Controller| | : : | |/NMS/EMS | | : +----+ : +----+ +----+ +----+ : +----+ | CE |----:---| PE |----| P |----| PE |---:---| CE | : |<-Provider network->| : Customer Customer Interface Interface Deployment scenario of the L1VPN SDN control-based service model for an external customer instantiating L1 point-to-point connectivity to the provider. With this scenario, the customer service orchestrator interfaces with the network SDN controller of the provider using Customer Service Model CCAMP WG, IETF101 London

Deployment Scenario 2: Multi-Service Backbone for Internal Customers +----------+ | Service | | SDN | |Controller| |/EMS/NMS | | for L2/3 | | +--------------------+ | | | +----------+ | | | Network | | | | SDN | | | |Controller| | | |/EMS/NMS | | | | for L1VPN| | +----+ +----+ +----+ +----+ +----+ | CE |--------| PE |----| P |----| PE |------| CE | | | | | | +--------------------+ | | |<------------------>| | | Provider Network | | For Layer 1 | |<------------------------------------------>| Provider Network for L2/3 Deployment scenario for internal customer (e.g., higher-layer service management department(s)) interfacing the layer 1 transport network department. With this scenario, a multi-service backbone is characterized such that each service department of a provider (e.g., L2/3 services) that receives the same provider's L1VPN service provides a different kind of higher- layer service. The customer receiving the L1VPN service (i.e., each service department) can offer its own services, whose payloads can be any layer (e.g., ATM, IP, TDM). The layer 1 transport network and each service network belong to the same organization, but may be managed separately. CCAMP WG, IETF101 London

L1CSM and L2SM/L3SM L2SM and L3SM are Service Models L1CSM can be the southbound interface of the Service SDN Controller and can be used in same cases: Multi-Service Backbone for Internal Customers: Only L1 connectivity is required and there is the need of an interface between two departments belonging to the same organization. L1VPN for External Customer (less common for now) CCAMP WG, IETF101 London

UNI Data Client Protocol UNI TDM Client Protocol Ietf-l1csm UNI Data Client Protocol Rate (Gb/s) GigE (1000BASE-X) 1.250 10GigE WAN (10GBASE-W) 9.95328 10GigE LAN (10GBASE-R) 10.3125 40GigE (40GBASE-R) 41.250 100GigE (100GBASE-R) 103.125 FC-100 1.0625 FC-200 2.125 FC-400 4.250 FC-800 8.500 FC-1200 10.51875 FC-1600 14.025 FC-3200 28.05 UNI TDM Client Protocol Rate (Gb/s) OC-3/STM-1 0.15552 OC-12/STM-4 0.62208 OC-48/STM-16 (CBR2G5) 2.48832 OC-192/STM-64 (CBR10G) 9.95328 module: ietf-l1csm +--rw l1cs +--rw access | +--rw uni-list* [UNI-ID] | +--rw UNI-ID string | +--rw protocol? Identityref ----------------------------------- | +--rw coding? identityref | +--rw optical_interface? identityref +--rw service +--rw service-list* [subscriber-l1vc-id] +--rw subscriber-l1vc-id string +--rw service-config +--rw subscriber-l1vc-id? string +--rw subscriber-l1vc-ep-ingress? -> /l1cs/access/uni-list/UNI-ID +--rw subscriber-l1vc-ep-egress? -> /l1cs/access/uni-list/UNI-ID +--rw client-protocol? identityref +--rw time-start? yang:date-and-time +--rw time-interval? int64 +--rw CoS_Name? string +--rw performance-metric? identityref CCAMP WG, IETF101 London

Summary & Next Steps Operators express the need for IETF L1CSM that can serve L1VPN service deployment scenarios for both external customers as well as internal multi-service Layer 1 backbone for L2/3VPN. MEF L1CS WG officially sent a letter of liaison to CCAMP WG. We can collaborate with MEF. This is in the scope of CCAMP WG: Home of L0/L1 technology Experts are here. The YANG model captures the basic models for access and service models and provides a good base for WG adoption.  11/14/2017 IETF100 Singapore, CCAMP