RFC 9302

Locator/ID Separation Protocol (LISP) Map-Versioning, October 2022

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Status:
PROPOSED STANDARD
Obsoletes:
RFC 6834
Authors:
L. Iannone
D. Saucez
O. Bonaventure
Stream:
IETF
Source:
lisp (rtg)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC9302

Discuss this RFC: Send questions or comments to iesg@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF  |  View History of RFC 9302


Abstract

This document describes the Locator/ID Separation Protocol (LISP) Map-Versioning mechanism, which provides in-packet information about Endpoint-ID-to-Routing-Locator (EID-to-RLOC) mappings used to encapsulate LISP data packets. This approach is based on associating a version number to EID-to-RLOC mappings and transporting such a version number in the LISP-specific header of LISP-encapsulated packets. LISP Map-Versioning is particularly useful to inform communicating Ingress Tunnel Routers (ITRs) and Egress Tunnel Routers (ETRs) about modifications of the mappings used to encapsulate packets. The mechanism is optional and transparent to implementations not supporting this feature, since in the LISP-specific header and in the Map Records, bits used for Map-Versioning can be safely ignored by ITRs and ETRs that do not support or do not want to use the mechanism.

This document obsoletes RFC 6834, which is the initial experimental specifications of the mechanisms updated by this document.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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