metasystema.org
CurrentPROPOSED STANDARDIETF stream

RFC 9089: Signaling Entropy Label Capability and Entropy Readable Label Depth Using OSPF

In plain English — editorial summary, not part of the RFC

Multiprotocol Label Switching (MPLS) has defined a mechanism to load-balance traffic flows using Entropy Labels (EL). An ingress Label Switching Router (LSR) cannot insert ELs for packets going into a given Label Switched Path (LSP) unless an egress LSR has indicated via signaling that it has the capability to process ELs, referred to as the Entropy Label Capability (ELC), on that LSP. In addition, it would be useful for ingress LSRs to know each LSR's capability for reading the maximum label stack depth and performing EL-based load-balancing, referred to as Entropy Readable Label Depth (ERLD). This document defines a mechanism to signal these two capabilities using OSPFv2 and OSPFv3, and Border Gateway Protocol - Link State (BGP-LS).

Document record

Document ID
RFC9089
Published
August 2021
Authors
X. Xu; S. Kini; P. Psenak; C. Filsfils; S. Litkowski; M. Bocci
Status
PROPOSED STANDARD
Stream
IETF
Area
rtg
Pages
8
Also known as
—

Related documents

Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.

Also filed under

About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

Data sources · Editorial policy · Report a correction · What is an RFC?

canonical URL: /rfc/9089-signaling-entropy-label-capability-and-entropy-readable-label-depth-using-ospf