Re: [TLS] I-D Action:draft-ietf-tls-dtls-heartbeat-01.txt

Florian Weimer <fweimer@bfk.de> Wed, 09 February 2011 11:03 UTC

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From: Florian Weimer <fweimer@bfk.de>
Date: Wed, 09 Feb 2011 11:03:33 +0000
In-Reply-To: <0FF8EA81-FDC9-48A2-BE2B-2937095CF5C7@lurchi.franken.de> ("Michael =?iso-8859-1?Q?T=FCxen=22's?= message of "Wed\, 9 Feb 2011 12\:01\:36 +0100")
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Cc: tls@ietf.org
Subject: Re: [TLS] I-D Action:draft-ietf-tls-dtls-heartbeat-01.txt
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* Michael Tüxen:

> On Feb 9, 2011, at 9:33 AM, Florian Weimer wrote:
>
>> * t. petch:
>> 
>>> The intention of the sentence in the ID is that you can not send
>>> multiple HeartbeatRequest out.
>> 
>> But you actually can because the transport layer may duplicate
>> datagrams.  In particular, recipients MUST be prepared to deal with
>> such duplicates.

> If the transport layer does (like TCP or SCTP), it has a CC.

Duplicates can result from other phenomena, not just deliberate
retransmission.

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
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