IETF Logo Mail Archive

Re: [sip-overload] The frequency of re-negotiating overload control schemes

"Vijay K. Gurbani" <vkg@bell-labs.com> Wed, 07 September 2011 02:44 UTC

Return-Path: <vkg@bell-labs.com>
X-Original-To: sip-overload@ietfa.amsl.com
Delivered-To: sip-overload@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 08BE221F8DD0 for <sip-overload@ietfa.amsl.com>; Tue, 6 Sep 2011 19:44:01 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -106.599
X-Spam-Level:
X-Spam-Status: No, score=-106.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jHcIclbT4kfS for <sip-overload@ietfa.amsl.com>; Tue, 6 Sep 2011 19:44:00 -0700 (PDT)
Received: from ihemail3.lucent.com (ihemail3.lucent.com [135.245.0.37]) by ietfa.amsl.com (Postfix) with ESMTP id 3D94421F8DCA for <sip-overload@ietf.org>; Tue, 6 Sep 2011 19:43:59 -0700 (PDT)
Received: from usnavsmail3.ndc.alcatel-lucent.com (usnavsmail3.ndc.alcatel-lucent.com [135.3.39.11]) by ihemail3.lucent.com (8.13.8/IER-o) with ESMTP id p872jjbl020718 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 6 Sep 2011 21:45:46 -0500 (CDT)
Received: from umail.lucent.com (umail-ce2.ndc.lucent.com [135.3.40.63]) by usnavsmail3.ndc.alcatel-lucent.com (8.14.3/8.14.3/GMO) with ESMTP id p872ji8O024591 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 6 Sep 2011 21:45:45 -0500
Received: from shoonya.ih.lucent.com (vkg.lra.lucent.com [135.244.33.112]) by umail.lucent.com (8.13.8/TPES) with ESMTP id p872ji3X004038; Tue, 6 Sep 2011 21:45:44 -0500 (CDT)
Message-ID: <4E66DB5F.1090205@bell-labs.com>
Date: Tue, 06 Sep 2011 21:47:59 -0500
From: "Vijay K. Gurbani" <vkg@bell-labs.com>
Organization: Bell Laboratories, Alcatel-Lucent
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.20) Gecko/20110817 Fedora/3.1.12-1.fc14 Lightning/1.0b2 Thunderbird/3.1.12
MIME-Version: 1.0
To: Shida Schubert <shida@ntt-at.com>
References: <4E613160.5010701@bell-labs.com> <A7854CEA-AC39-434E-82E6-C9E608B7741B@ntt-at.com> <4E661C01.3010803@bell-labs.com> <BECE4232-9F57-4FDF-9D3F-2D8D29484C75@ntt-at.com>
In-Reply-To: <BECE4232-9F57-4FDF-9D3F-2D8D29484C75@ntt-at.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Scanned-By: MIMEDefang 2.57 on 135.245.2.37
X-Scanned-By: MIMEDefang 2.64 on 135.3.39.11
Cc: "sip-overload@ietf.org" <sip-overload@ietf.org>
Subject: Re: [sip-overload] The frequency of re-negotiating overload control schemes
X-BeenThere: sip-overload@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: SIP Overload <sip-overload.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/sip-overload>, <mailto:sip-overload-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/sip-overload>
List-Post: <mailto:sip-overload@ietf.org>
List-Help: <mailto:sip-overload-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/sip-overload>, <mailto:sip-overload-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Sep 2011 02:44:01 -0000

On 09/06/2011 07:23 PM, Shida Schubert wrote:
> Okay, fair enough.
>
> I guess we should probably mandate the inclusion of "oc-algo" in that
> case. It is currently stated on 4.1 as "MAY" add an "oc-algo"..
>
> One can assume that not having "oc-algo" indicates that the client
> only supports or wants to use the default "loss" based algorithm but
> if that is the case we should probably have a statement saying that
> too.
>
> I prefer mandating the inclusion of "oc-algo" so it is always clear
> what the client/server means/wants.

Shida: Great, thanks.  I will wait to see if anyone else has any
other views on this, and if not, I will go ahead and update
as agreed upon.

> I must have misread it, it looks good.

Great; thanks for giving it a good read.

Ciao,

- vijay
-- 
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA)
Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com
Web:   http://ect.bell-labs.com/who/vkg/

v2.8.7 | Report a Bug | By Email