A YANG Network Data Model for Service Attachment Points
RFC 9408, “A YANG Network Data Model for Service Attachment Points”, is a Proposed Standard document published in June 2023 by M. Boucadair, O. Gonzalez de Dios, S. Barguil, Q. Wu, V. Lopez. The canonical text is published by the RFC Editor.
Abstract
This document defines a YANG data model for representing an abstract view of the provider network topology that contains the points from which its services can be attached (e.g., basic connectivity, VPN, network slices). Also, the model can be used to retrieve the points where the services are actually being delivered to customers (including peer networks).
This document augments the 'ietf-network' data model defined in RFC 8345 by adding the concept of Service Attachment Points (SAPs). The SAPs are the network reference points to which network services, such as Layer 3 Virtual Private Network (L3VPN) or Layer 2 Virtual Private Network (L2VPN), can be attached. One or multiple services can be bound to the same SAP. Both User-to-Network Interface (UNI) and Network-to-Network Interface (NNI) are supported in the SAP data model.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 9408 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.
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