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IETF RFC 6754
[ACTIVE]

Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect

Metadata

Publisher
IETF
Doc Type
Standard
Pages
12
Abstract
A Protocol Independent Multicast (PIM) router uses the Reverse Path Forwarding (RPF) procedure to select an upstream interface and router in order to build forwarding state. When there are equal cost multipaths (ECMPs), existing implementations often use hash algorithms to select a path. Such algorithms do not allow the spread of traffic among the ECMPs according to administrative metrics. This usually leads to inefficient or ineffective use of network resources. This document introduces the ECMP Redirect, a mechanism to improve the RPF procedure over ECMPs. It allows ECMP selection to be based on administratively selected metrics, such as data transmission delays, path preferences, and routing metrics. [STANDARDS-TRACK]
Publication Date
2012-10-01
Status Note
Proposed Standard
DOI
10.17487/RFC6754
Link
https://doi.org/10.17487/RFC6754
Author(s)
Yiqun Cai
Liming Wei
Heidi Ou
Vishal Arya
Sunil Jethwani
Latest version of IETF RFC 6754

Document Versions — IETF RFC 6754

  • ▶ IETF RFC 6754 (2012-10-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 6754, Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect. Available at https://doi.org/10.17487/RFC6754
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IETF RFC 6754, Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect. Available at https://doi.org/10.17487/RFC6754

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IETF RFC 6754, Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect. Available at https://doi.org/10.17487/RFC6754
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<span class="citation"><cite>IETF RFC 6754</cite>, Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect. Available at <a href="https://doi.org/10.17487/RFC6754" target="_blank" rel="noopener">https://doi.org/10.17487/RFC6754</a></span>

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IETF RFC 6754, Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect
doi: 10.17487/RFC6754
url: https://doi.org/10.17487/RFC6754
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<li>
<cite id="bib-rfc6754">IETF RFC 6754</cite>, Protocol Independent Multicast Equal-Cost Multipath (ECMP) Redirect
<span class="doi">10.17487/RFC6754</span>
</li>

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