[DNSOP] I-D Action: draft-ietf-dnsop-avoid-fragmentation-17.txt

internet-drafts@ietf.org Fri, 01 March 2024 02:54 UTC

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Subject: [DNSOP] I-D Action: draft-ietf-dnsop-avoid-fragmentation-17.txt
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Internet-Draft draft-ietf-dnsop-avoid-fragmentation-17.txt is now available.
It is a work item of the Domain Name System Operations (DNSOP) WG of the IETF.

   Title:   IP Fragmentation Avoidance in DNS over UDP
   Authors: Kazunori Fujiwara
            Paul Vixie
   Name:    draft-ietf-dnsop-avoid-fragmentation-17.txt
   Pages:   14
   Dates:   2024-02-29

Abstract:

   The widely deployed EDNS0 feature in the DNS enables a DNS receiver
   to indicate its received UDP message size capacity, which supports
   the sending of large UDP responses by a DNS server.  Large DNS/UDP
   messages are more likely to be fragmented and IP fragmentation has
   exposed weaknesses in application protocols.  It is possible to avoid
   IP fragmentation in DNS by limiting the response size where possible,
   and signaling the need to upgrade from UDP to TCP transport where
   necessary.  This document specifies techniques to avoid IP
   fragmentation in DNS.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-ietf-dnsop-avoid-fragmentation/

There is also an HTMLized version available at:
https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-avoid-fragmentation-17

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-dnsop-avoid-fragmentation-17

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts