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IETF RFC 8899
[ACTIVE]

Packetization Layer Path MTU Discovery for Datagram Transports

Metadata

Publisher
IETF
Doc Type
Standard
Pages
35
Abstract
This document specifies Datagram Packetization Layer Path MTU Discovery (DPLPMTUD). This is a robust method for Path MTU Discovery (PMTUD) for datagram Packetization Layers (PLs). It allows a PL, or a datagram application that uses a PL, to discover whether a network path can support the current size of datagram. This can be used to detect and reduce the message size when a sender encounters a packet black hole. It can also probe a network path to discover whether the maximum packet size can be increased. This provides functionality for datagram transports that is equivalent to the PLPMTUD specification for TCP, specified in RFC 4821, which it updates. It also updates the UDP Usage Guidelines to refer to this method for use with UDP datagrams and updates SCTP. The document provides implementation notes for incorporating Datagram PMTUD into IETF datagram transports or applications that use datagram transports. This specification updates RFC 4960, RFC 4821, RFC 6951, RFC 8085, and RFC 8261.
Publication Date
2020-09-01
Status Note
Proposed Standard
DOI
10.17487/RFC8899
Link
https://doi.org/10.17487/RFC8899
Author(s)
Gorry Fairhurst
Tom Jones
Michael Tüxen
Irene Ruengeler
Timo Völker
Keyword(s)
UDP, SCTP, Transport, PMTUD
Latest version of IETF RFC 8899

Document Versions — IETF RFC 8899

  • ▶ IETF RFC 8899 (2020-09-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 8899, Packetization Layer Path MTU Discovery for Datagram Transports. Available at https://doi.org/10.17487/RFC8899
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IETF RFC 8899, Packetization Layer Path MTU Discovery for Datagram Transports. Available at https://doi.org/10.17487/RFC8899

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IETF RFC 8899, Packetization Layer Path MTU Discovery for Datagram Transports. Available at https://doi.org/10.17487/RFC8899
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<span class="citation"><cite>IETF RFC 8899</cite>, Packetization Layer Path MTU Discovery for Datagram Transports. Available at <a href="https://doi.org/10.17487/RFC8899" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8899</a></span>

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IETF RFC 8899, Packetization Layer Path MTU Discovery for Datagram Transports
doi: 10.17487/RFC8899
url: https://doi.org/10.17487/RFC8899
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<cite id="bib-rfc8899">IETF RFC 8899</cite>, Packetization Layer Path MTU Discovery for Datagram Transports
<span class="doi">10.17487/RFC8899</span>
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