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IETF RFC 8390
[ACTIVE]

RSVP-TE Path Diversity Using Exclude Route

Metadata

Publisher
IETF
Doc Type
Standard
Pages
26
Abstract
RSVP-TE provides support for the communication of exclusion information during Label Switched Path (LSP) setup. A typical LSP diversity use case is for protection, where two LSPs should follow different paths through the network in order to avoid single points of failure, thus greatly improving service availability. This document specifies an approach that can be used for network scenarios where the full path(s) is not necessarily known by use of an abstract identifier for the path. Three types of abstract identifiers are specified: client based, Path Computation Element (PCE) based, and network based. This document specifies two new diversity subobjects for the RSVP eXclude Route Object (XRO) and the Explicit Exclusion Route Subobject (EXRS). For the protection use case, LSPs are typically created at a slow rate and exist for a long time so that it is reasonable to assume that a given (reference) path currently existing (with a well-known identifier) will continue to exist and can be used as a reference when creating the new diverse path. Re-routing of the existing (reference) LSP, before the new path is established, is not considered.
Publication Date
2018-07-01
Status Note
Proposed Standard
DOI
10.17487/RFC8390
Link
https://doi.org/10.17487/RFC8390
Author(s)
Zafar Ali
George Swallow
Fatai Zhang
Dieter Beller
Keyword(s)
LSP Diversity
Latest version of IETF RFC 8390

Document Versions — IETF RFC 8390

  • ▶ IETF RFC 8390 (2018-07-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

Bibliographic Reference(s)

  • IETF RFC 2205 [Active*]
  • RFC4208 — RFC4208 EXTERNAL
  • RFC5251 — RFC5251 EXTERNAL
  • RFC5520 — RFC5520 EXTERNAL
  • RFC5920 — RFC5920 EXTERNAL
  • RFC8001 — RFC8001 EXTERNAL
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IETF RFC 8390, RSVP-TE Path Diversity Using Exclude Route. Available at https://doi.org/10.17487/RFC8390
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IETF RFC 8390, RSVP-TE Path Diversity Using Exclude Route. Available at https://doi.org/10.17487/RFC8390

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IETF RFC 8390, RSVP-TE Path Diversity Using Exclude Route. Available at https://doi.org/10.17487/RFC8390
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<span class="citation"><cite>IETF RFC 8390</cite>, RSVP-TE Path Diversity Using Exclude Route. Available at <a href="https://doi.org/10.17487/RFC8390" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8390</a></span>

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IETF RFC 8390, RSVP-TE Path Diversity Using Exclude Route
doi: 10.17487/RFC8390
url: https://doi.org/10.17487/RFC8390
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<cite id="bib-rfc8390">IETF RFC 8390</cite>, RSVP-TE Path Diversity Using Exclude Route
<span class="doi">10.17487/RFC8390</span>
</li>