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IETF RFC 5712
[ACTIVE]

MPLS Traffic Engineering Soft Preemption

Metadata

Publisher
IETF
Doc Type
Standard
Pages
13
Abstract
This document specifies Multiprotocol Label Switching (MPLS) Traffic Engineering Soft Preemption, a suite of protocol modifications extending the concept of preemption with the goal of reducing or eliminating traffic disruption of preempted Traffic Engineering Label Switched Paths (TE LSPs). Initially, MPLS RSVP-TE was defined with support for only immediate TE LSP displacement upon preemption. The utilization of a reroute request notification helps more gracefully mitigate the reroute process of preempted TE LSP. For the brief period soft preemption is activated, reservations (though not necessarily traffic levels) are in effect under-provisioned until the TE LSP(s) can be rerouted. For this reason, the feature is primarily, but not exclusively, interesting in MPLS-enabled IP networks with Differentiated Services and Traffic Engineering capabilities. [STANDARDS-TRACK]
Publication Date
2010-01-01
Status Note
Proposed Standard
DOI
10.17487/RFC5712
Link
https://doi.org/10.17487/RFC5712
Author(s)
Matthew Meyer
JP Vasseur
Keyword(s)
MPLS, MPLS-TE, TE LSP
Latest version of IETF RFC 5712

Document Versions — IETF RFC 5712

  • ▶ IETF RFC 5712 (2010-01-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

Bibliographic Reference(s)

  • Fang, L., Ed., "Security Framework for MPLS and GMPLS Networks", Work in Progress, October 2009. EXTERNAL
  • IETF RFC 2961 [Active*]
  • IETF RFC 3270 [Active*]
  • RFC4829 — RFC4829 EXTERNAL
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IETF RFC 5712, MPLS Traffic Engineering Soft Preemption. Available at https://doi.org/10.17487/RFC5712
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IETF RFC 5712, MPLS Traffic Engineering Soft Preemption. Available at https://doi.org/10.17487/RFC5712

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IETF RFC 5712, MPLS Traffic Engineering Soft Preemption. Available at https://doi.org/10.17487/RFC5712
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<span class="citation"><cite>IETF RFC 5712</cite>, MPLS Traffic Engineering Soft Preemption. Available at <a href="https://doi.org/10.17487/RFC5712" target="_blank" rel="noopener">https://doi.org/10.17487/RFC5712</a></span>

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IETF RFC 5712, MPLS Traffic Engineering Soft Preemption
doi: 10.17487/RFC5712
url: https://doi.org/10.17487/RFC5712
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<cite id="bib-rfc5712">IETF RFC 5712</cite>, MPLS Traffic Engineering Soft Preemption
<span class="doi">10.17487/RFC5712</span>
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