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IETF RFC 4736
[ACTIVE]

Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP)

Metadata

Publisher
IETF
Doc Type
Informational
Pages
14
Abstract
This document defines a mechanism for the reoptimization of loosely routed MPLS and GMPLS (Generalized Multiprotocol Label Switching) Traffic Engineering (TE) Label Switched Paths (LSPs) signaled with Resource Reservation Protocol Traffic Engineering (RSVP-TE). This document proposes a mechanism that allows a TE LSP head-end Label Switching Router (LSR) to trigger a new path re-evaluation on every hop that has a next hop defined as a loose or abstract hop and a mid-point LSR to signal to the head-end LSR that a better path exists (compared to the current path) or that the TE LSP must be reoptimized (because of maintenance required on the TE LSP path). The proposed mechanism applies to the cases of intra- and inter-domain (Interior Gateway Protocol area (IGP area) or Autonomous System) packet and non-packet TE LSPs following a loosely routed path. This memo provides information for the Internet community.
Publication Date
2006-11-01
Status Note
Informational
DOI
10.17487/RFC4736
Link
https://doi.org/10.17487/RFC4736
Author(s)
JP Vasseur
Yuichi Ikejiri
Raymond Zhang
Keyword(s)
RSVP-TE, TE LSP
Latest version of IETF RFC 4736

Document Versions — IETF RFC 4736

  • ▶ IETF RFC 4736 (2006-11-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 4736, Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP). Available at https://doi.org/10.17487/RFC4736
Snippet:
IETF RFC 4736, Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP). Available at https://doi.org/10.17487/RFC4736

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IETF RFC 4736, Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP). Available at https://doi.org/10.17487/RFC4736
Snippet:
<span class="citation"><cite>IETF RFC 4736</cite>, Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP). Available at <a href="https://doi.org/10.17487/RFC4736" target="_blank" rel="noopener">https://doi.org/10.17487/RFC4736</a></span>

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IETF RFC 4736, Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP)
doi: 10.17487/RFC4736
url: https://doi.org/10.17487/RFC4736
Snippet:
<li>
<cite id="bib-rfc4736">IETF RFC 4736</cite>, Reoptimization of Multiprotocol Label Switching (MPLS) Traffic Engineering (TE) Loosely Routed Label Switched Path (LSP)
<span class="doi">10.17487/RFC4736</span>
</li>

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