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Record Header Extensions for DTLS

Document Type Expired Internet-Draft (individual)
Expired & archived
Authors Thomas Fossati , Nikos Mavrogiannopoulos
Last updated 2018-09-04 (Latest revision 2018-03-03)
RFC stream (None)
Intended RFC status (None)
Stream Stream state (No stream defined)
Consensus boilerplate Unknown
RFC Editor Note (None)
IESG IESG state Expired
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document proposes a mechanism to extend the record header in DTLS. To that aim, the DTLS header is modified as follows: the length field is trimmed to 15 bits, and the length's top bit is given the "record header extension indicator" semantics, allowing a sender to signal that one or more record header extensions have been added to this record. We define the generic format of a record header extension and the general rules associated with its handling. Any details regarding syntax, semantics and negotiation of a specific record header extension, are left to future documents.


Thomas Fossati
Nikos Mavrogiannopoulos

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