Re: [magma] Destination address in v2 leave message

Indranil Bhattacharya <myselfindranil@gmail.com> Thu, 13 October 2011 20:35 UTC

Return-Path: <myselfindranil@gmail.com>
X-Original-To: magma@ietfa.amsl.com
Delivered-To: magma@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9519821F84AC for <magma@ietfa.amsl.com>; Thu, 13 Oct 2011 13:35:45 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.291
X-Spam-Level:
X-Spam-Status: No, score=-3.291 tagged_above=-999 required=5 tests=[AWL=0.307, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1]
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 dAuYiQ91nsuf for <magma@ietfa.amsl.com>; Thu, 13 Oct 2011 13:35:45 -0700 (PDT)
Received: from mail-ww0-f44.google.com (mail-ww0-f44.google.com [74.125.82.44]) by ietfa.amsl.com (Postfix) with ESMTP id D60A021F84AB for <magma@ietf.org>; Thu, 13 Oct 2011 13:35:44 -0700 (PDT)
Received: by wwf22 with SMTP id 22so1677982wwf.13 for <magma@ietf.org>; Thu, 13 Oct 2011 13:35:44 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=V2d5EPbks6swU7PApB+cLB+7O+6ArKlq5ZntqY38XN4=; b=jd75QQao/fgabMTk5VtxSuEev9IvPOuS+CK72qEH9gwQ6IzTP4+vzIWjnlzF6ILBvM qWaCSsejXG6XEdyZRRuf9iQkWgIo2vHmSnsCc3Qi/bgumPehz++67kpYgblqBaCDAZ23 3jnUTndFbUzrhNIvcSo54JEIKoqjFziMi738Y=
MIME-Version: 1.0
Received: by 10.216.14.83 with SMTP id c61mr521060wec.4.1318538143675; Thu, 13 Oct 2011 13:35:43 -0700 (PDT)
Received: by 10.216.39.80 with HTTP; Thu, 13 Oct 2011 13:35:43 -0700 (PDT)
In-Reply-To: <4FD1E7CD248BF84F86BD4814EDDDBCC151402959E6@EUSAACMS0703.eamcs.ericsson.se>
References: <CAAaur97Rhfy5=SYsji8appmHcesVQzOP8y_X2sFkUnw7ZQmGLg@mail.gmail.com> <4FD1E7CD248BF84F86BD4814EDDDBCC151402959E6@EUSAACMS0703.eamcs.ericsson.se>
Date: Fri, 14 Oct 2011 02:05:43 +0530
Message-ID: <CAAaur97X9p5TUR6nwhL3V09Dtp4L+BxOQoHWnuaLXwyeUXBvyg@mail.gmail.com>
From: Indranil Bhattacharya <myselfindranil@gmail.com>
To: Kunal Shah <kunal.shah@ericsson.com>
Content-Type: multipart/alternative; boundary=001485f6d9fead352d04af3415c7
Cc: "magma@ietf.org" <magma@ietf.org>
Subject: Re: [magma] Destination address in v2 leave message
X-BeenThere: magma@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Multicast and Anycast Group Membership <magma.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/magma>, <mailto:magma-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/magma>
List-Post: <mailto:magma@ietf.org>
List-Help: <mailto:magma-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/magma>, <mailto:magma-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 13 Oct 2011 20:35:45 -0000

Hi Kunal,

            Non-queriers lower the group timers upon receiving
group-specific query from querier. They always ignore leave messages. Please
refer the last state diagram in section 7 which is for non-querier.

Thanks,
Indranil

On Thu, Oct 13, 2011 at 11:48 PM, Kunal Shah <kunal.shah@ericsson.com>wrote:

> **
> Non-querier does process the leave message. On receiving a leave the
> non-querier is going to reduce the group timer to [Max Response Time] in
> the packet * [Last Member Query Count] but will not send the leave. Please
> refer to section 7 of RFC 2236.
>
>  ------------------------------
> *From:* magma-bounces@ietf.org [mailto:magma-bounces@ietf.org] *On Behalf
> Of *Indranil Bhattacharya
> *Sent:* Thursday, October 13, 2011 10:30 AM
> *To:* magma@ietf.org
> *Subject:* [magma] Destination address in v2 leave message
>
>   Hi,
>
>     Can anyone please tell me the disadvantage of using queriers address as
> destination address in v2 leave message? Is there any advantage of sending
> it to 224.0.0.2? Non-querier never processes leave message anyway.
>
> Thanks,
> Indranil
>