Re: AD review discuss/comments for draft-ietf-syslog-dtls

<[email protected]> Wed, 26 May 2010 08:03:01 +0200

Newsgroups	gmane.ietf.syslog
Message-ID	<808FD6E27AD4884E94820BC333B2DB775BC0E0952B@NOK-EUMSG-01.mgdnok.nokia.com>

Tim Evens wrote:
> Correct, in RFC5426 the max size is 64K which is the max length in
> UDP.  UDP sizes of greater than MTU are only achievable via IP layer
> fragmentation, as you also indicated.  I'm under the impression that
> DTLS does NOT support IPv4 fragmentation since in RFC4347 it states
> in Section 4.1.1 "Each DTLS record MUST fit within a single
> datagram."

AFAIK when running DTLS over UDP, "datagram" here refers to UDP
datagrams, not IP packets (and one UDP datagram can be split
to several IP packets).

Best regards,
Pasi
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