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IETF RFC 8149
[ACTIVE]

RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs)

Metadata

Publisher
IETF
Doc Type
Standard
Pages
17
Abstract
The reoptimization of a Point-to-Multipoint (P2MP) Traffic Engineering (TE) Label Switched Path (LSP) may be triggered based on the need to reoptimize an individual source-to-leaf (S2L) sub-LSP or a set of S2L sub-LSPs, both using the Sub-Group-based reoptimization method, or the entire P2MP-TE LSP tree using the Make-Before-Break (MBB) method. This document discusses the application of the existing mechanisms for path reoptimization of loosely routed Point-to-Point (P2P) TE LSPs to the P2MP-TE LSPs, identifies issues in doing so, and defines procedures to address them. When reoptimizing a large number of S2L sub-LSPs in a tree using the Sub-Group-based reoptimization method, the S2L sub-LSP descriptor list may need to be semantically fragmented. This document defines the notion of a fragment identifier to help recipient nodes unambiguously reconstruct the fragmented S2L sub-LSP descriptor list.
Publication Date
2017-04-01
Status Note
Proposed Standard
DOI
10.17487/RFC8149
Link
https://doi.org/10.17487/RFC8149
Author(s)
Tarek Saad
Rakesh Gandhi
Zafar Ali
Robert H. Venator
Yuji Kamite
Keyword(s)
RSVP Fragmentation, RSVP Fragment Identifier, P2MP
Latest version of IETF RFC 8149

Document Versions — IETF RFC 8149

  • ▶ IETF RFC 8149 (2017-04-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 8149, RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs). Available at https://doi.org/10.17487/RFC8149
Snippet:
IETF RFC 8149, RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs). Available at https://doi.org/10.17487/RFC8149

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IETF RFC 8149, RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs). Available at https://doi.org/10.17487/RFC8149
Snippet:
<span class="citation"><cite>IETF RFC 8149</cite>, RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs). Available at <a href="https://doi.org/10.17487/RFC8149" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8149</a></span>

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IETF RFC 8149, RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs)
doi: 10.17487/RFC8149
url: https://doi.org/10.17487/RFC8149
Snippet:
<li>
<cite id="bib-rfc8149">IETF RFC 8149</cite>, RSVP Extensions for Reoptimization of Loosely Routed Point-to-Multipoint Traffic Engineering Label Switched Paths (LSPs)
<span class="doi">10.17487/RFC8149</span>
</li>

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