RFC 8476

Signaling Maximum SID Depth (MSD) Using OSPF, December 2018

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J. Tantsura
U. Chunduri
S. Aldrin
P. Psenak
lsr (rtg)

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DOI:  https://doi.org/10.17487/RFC8476

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This document defines a way for an Open Shortest Path First (OSPF) router to advertise multiple types of supported Maximum SID Depths (MSDs) at node and/or link granularity. Such advertisements allow entities (e.g., centralized controllers) to determine whether a particular Segment Identifier (SID) stack can be supported in a given network. This document only refers to the Signaling MSD as defined in RFC 8491, but it defines an encoding that can support other MSD types. Here, the term "OSPF" means both OSPFv2 and OSPFv3.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.

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