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IETF RFC 9088
[ACTIVE]

Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS

Metadata

Publisher
IETF
Doc Type
Standard
Pages
7
Abstract
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 IS-IS and Border Gateway Protocol - Link State (BGP-LS).
Publication Date
2021-08-01
Status Note
Proposed Standard
DOI
10.17487/RFC9088
Link
https://doi.org/10.17487/RFC9088
Author(s)
Xiaohu Xu
Sriganesh Kini
Peter Psenak
Clarence Filsfils
Stephane Litkowski
Matthew Bocci
Latest version of IETF RFC 9088

Document Versions — IETF RFC 9088

  • ▶ IETF RFC 9088 (2021-08-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 9088, Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS. Available at https://doi.org/10.17487/RFC9088
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IETF RFC 9088, Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS. Available at https://doi.org/10.17487/RFC9088

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IETF RFC 9088, Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS. Available at https://doi.org/10.17487/RFC9088
Snippet:
<span class="citation"><cite>IETF RFC 9088</cite>, Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS. Available at <a href="https://doi.org/10.17487/RFC9088" target="_blank" rel="noopener">https://doi.org/10.17487/RFC9088</a></span>

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IETF RFC 9088, Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS
doi: 10.17487/RFC9088
url: https://doi.org/10.17487/RFC9088
Snippet:
<li>
<cite id="bib-rfc9088">IETF RFC 9088</cite>, Signaling Entropy Label Capability and Entropy Readable Label Depth Using IS-IS
<span class="doi">10.17487/RFC9088</span>
</li>

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