DNS message fragments

Document Type Expired Internet-Draft (individual)
Authors Mukund Sivaraman  , Shane Kerr  , Linjian Song 
Last updated 2016-01-21 (latest revision 2015-07-20)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a method to transmit DNS messages over multiple UDP datagrams by fragmenting them at the application layer. The objective is to allow authoriative servers to successfully reply to DNS queries via UDP using multiple smaller datagrams, where larger datagrams may not pass through the network successfully.


Mukund Sivaraman (muks@isc.org)
Shane Kerr (shane@biigroup.cn)
Linjian Song (songlinjian@gmail.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)