Re: [tsvwg] Correction to IETF 110 minutes on DTLS over SCTP

Gorry Fairhurst <gorry@erg.abdn.ac.uk> Tue, 23 March 2021 12:04 UTC

Return-Path: <gorry@erg.abdn.ac.uk>
X-Original-To: tsvwg@ietfa.amsl.com
Delivered-To: tsvwg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ACAFC3A1085; Tue, 23 Mar 2021 05:04:15 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id U_BcQ-eWr1Th; Tue, 23 Mar 2021 05:04:10 -0700 (PDT)
Received: from pegasus.erg.abdn.ac.uk (pegasus.erg.abdn.ac.uk [137.50.19.135]) by ietfa.amsl.com (Postfix) with ESMTP id 713753A1068; Tue, 23 Mar 2021 05:04:10 -0700 (PDT)
Received: from GF-MBP-2.lan (fgrpf.plus.com [212.159.18.54]) by pegasus.erg.abdn.ac.uk (Postfix) with ESMTPSA id DDC8F1B00257; Tue, 23 Mar 2021 12:04:03 +0000 (GMT)
To: Magnus Westerlund <magnus.westerlund@ericsson.com>, "tsvwg-chairs@ietf.org" <tsvwg-chairs@ietf.org>, "tsvwg@ietf.org" <tsvwg@ietf.org>
References: <HE1PR0702MB37722A98469D0683F6D8B4D495649@HE1PR0702MB3772.eurprd07.prod.outlook.com>
From: Gorry Fairhurst <gorry@erg.abdn.ac.uk>
Message-ID: <ffc24fdb-d8c8-fba9-b2fa-89332bec1f67@erg.abdn.ac.uk>
Date: Tue, 23 Mar 2021 12:04:02 +0000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:78.0) Gecko/20100101 Thunderbird/78.8.1
MIME-Version: 1.0
In-Reply-To: <HE1PR0702MB37722A98469D0683F6D8B4D495649@HE1PR0702MB3772.eurprd07.prod.outlook.com>
Content-Type: multipart/alternative; boundary="------------12F4A8F054C8DED04333A274"
Content-Language: en-GB
Archived-At: <https://mailarchive.ietf.org/arch/msg/tsvwg/cMTbhPZLOvYuTpCVEsqGU6s3W00>
Subject: Re: [tsvwg] Correction to IETF 110 minutes on DTLS over SCTP
X-BeenThere: tsvwg@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Transport Area Working Group <tsvwg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tsvwg/>
List-Post: <mailto:tsvwg@ietf.org>
List-Help: <mailto:tsvwg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Mar 2021 12:04:16 -0000

These changes look good to me.
We will make sure the notes reflect this,
Gorry

On 23/03/2021 11:48, Magnus Westerlund wrote:
>
> Hi,
>
> I would like to propose a correction to the IETF 110 minutes regarding 
> this:
>
> 4.2 Magnus Westerlund: RFC6083.bis - Individual Draft
>
> draft-westerlund-tsvwg-dtls-over-sctp-bis
>
> 3GPP have asked to resolve some issues with sending >16KB DTLS 
> segments over
>
> SCTP. There's also a desire to update the spec in RFC6083.
>
> I would propose to change:
>
> 3GPP have asked to resolve some issues with sending >16KB DTLS 
> segments over
>
> SCTP.
>
> To:
>
> 3GPP have asked to resolve some issues with sending >16KB DTLS 
> protected user messages over
>
> SCTP which is not supported by RFC 6083.
>
> Reason for this change is that DTLS record size is currently limited 
> to 2^14-1 bytes and RFC 6083 specifies that only a single DTLS record 
> per user message. And what is really needed is something that allows 
> transmission of larger user messages that are protected by DTLS.
>
> I would also propose to change:
>
> There's also a desire to update the spec in RFC6083.
>
> To:
>
> There's also a desire to update the security algorithms and 
> requirements in RFC6083.
>
> Cheers
>
> Magnus Westerlund
>