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IETF RFC 8233
[ACTIVE]

Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs)

Metadata

Publisher
IETF
Doc Type
Standard
Pages
31
Abstract
In certain networks, such as, but not limited to, financial information networks (e.g., stock market data providers), network performance criteria (e.g., latency) are becoming as critical to data path selection as other metrics and constraints. These metrics are associated with the Service Level Agreement (SLA) between customers and service providers. The link bandwidth utilization (the total bandwidth of a link in actual use for the forwarding) is another important factor to consider during path computation. IGP Traffic Engineering (TE) Metric Extensions describe mechanisms with which network performance information is distributed via OSPF and IS-IS, respectively. The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Client (PCC) requests. This document describes the extension to PCEP to carry latency, delay variation, packet loss, and link bandwidth utilization as constraints for end-to-end path computation.
Publication Date
2017-09-01
Status Note
Proposed Standard
DOI
10.17487/RFC8233
Link
https://doi.org/10.17487/RFC8233
Author(s)
Dhruv Dhody
Qin Wu
Vishwas Manral
Zafar Ali
Kenji Kumaki
Keyword(s)
PCE, PCEP, Metrics
Latest version of IETF RFC 8233

Document Versions — IETF RFC 8233

  • ▶ IETF RFC 8233 (2017-09-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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Amended by:
IETF RFC 9756 [Active*]

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Plain text (ISO 690 compliant)

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IETF RFC 8233, Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs). Available at https://doi.org/10.17487/RFC8233
Snippet:
IETF RFC 8233, Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs). Available at https://doi.org/10.17487/RFC8233

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IETF RFC 8233, Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs). Available at https://doi.org/10.17487/RFC8233
Snippet:
<span class="citation"><cite>IETF RFC 8233</cite>, Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs). Available at <a href="https://doi.org/10.17487/RFC8233" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8233</a></span>

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Preview:
IETF RFC 8233, Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs)
doi: 10.17487/RFC8233
url: https://doi.org/10.17487/RFC8233
Snippet:
<li>
<cite id="bib-rfc8233">IETF RFC 8233</cite>, Extensions to the Path Computation Element Communication Protocol (PCEP) to Compute Service-Aware Label Switched Paths (LSPs)
<span class="doi">10.17487/RFC8233</span>
</li>

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