Re: [rtcweb] UDP transport problem

Cb B <cb.list6@gmail.com> Thu, 13 February 2014 17:56 UTC

Return-Path: <cb.list6@gmail.com>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B08CC1A039B for <rtcweb@ietfa.amsl.com>; Thu, 13 Feb 2014 09:56:46 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.75
X-Spam-Level:
X-Spam-Status: No, score=-1.75 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, SPF_PASS=-0.001] autolearn=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 J05zuOk4nVYB for <rtcweb@ietfa.amsl.com>; Thu, 13 Feb 2014 09:56:45 -0800 (PST)
Received: from mail-wi0-x234.google.com (mail-wi0-x234.google.com [IPv6:2a00:1450:400c:c05::234]) by ietfa.amsl.com (Postfix) with ESMTP id 4F1A51A02A7 for <rtcweb@ietf.org>; Thu, 13 Feb 2014 09:56:45 -0800 (PST)
Received: by mail-wi0-f180.google.com with SMTP id hm4so8983671wib.1 for <rtcweb@ietf.org>; Thu, 13 Feb 2014 09:56:43 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=h9xpP6FZhFpPxD4qMgGppo9m9hTAHxYgyfdJ/OCfl8Y=; b=rstFKNH9QE22/0u1JO1wana1SfgZsCpTHhuDjMx9Z0XyV/HAJKFc+v6WC1OlNXFAXW LiENo425GsBgDiBCgL/KueKeKyFDxBw1/zZt0Jnt2oZ77h1EkmY24vPsOwNdwVJ3NI6o 0H0FzyBPXAE85EaqgB6NWZfDdLWQ+JW/pqqU38rNH7TBDTK1/CWp97KLhOEBK9L973zT UJ+2SjmgXUrEqdRXO4QjAROZbGJnT6yyklkM0zvdUmNL+D6TNGwFTYh0HtbZwoWebiGl p2K49JrYqYLZSb0VJt1npW0QlJlURMrqg9VCEqW4ilWohxTe2fAogFZFGXxUXj5xBRl0 PcDQ==
MIME-Version: 1.0
X-Received: by 10.194.108.41 with SMTP id hh9mr53012wjb.89.1392314203679; Thu, 13 Feb 2014 09:56:43 -0800 (PST)
Received: by 10.194.133.169 with HTTP; Thu, 13 Feb 2014 09:56:43 -0800 (PST)
In-Reply-To: <CABkgnnVbZp7yBvpY1ARuaBXS=TOipY=BhXzrd=h5DY-76oF9Pw@mail.gmail.com>
References: <CAD6AjGRiQ1UF5n3JG9HPRQFM+TD54Xz-dpTn5u9bX+__BMfesQ@mail.gmail.com> <CABkgnnVbZp7yBvpY1ARuaBXS=TOipY=BhXzrd=h5DY-76oF9Pw@mail.gmail.com>
Date: Thu, 13 Feb 2014 09:56:43 -0800
Message-ID: <CAD6AjGSxS4jNRGotsE_no0XhewvDqcVZ+Kmx1aMW9qorqSKR+w@mail.gmail.com>
From: Cb B <cb.list6@gmail.com>
To: Martin Thomson <martin.thomson@gmail.com>
Content-Type: text/plain; charset="ISO-8859-1"
Archived-At: http://mailarchive.ietf.org/arch/msg/rtcweb/O5fDyI93niq1c45WhGeoWVnBjT0
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] UDP transport problem
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb/>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 13 Feb 2014 17:56:46 -0000

On Thu, Feb 13, 2014 at 9:47 AM, Martin Thomson
<martin.thomson@gmail.com> wrote:
> On 12 February 2014 22:06, Cb B <cb.list6@gmail.com> wrote:
>> For about a year now, i have been very concerned about IPv4 UDP.  It
>> has been increasingly associated with DDoS traffic [1],
>
> Is your concern that WebRTC will increase the potential for DoS (which
> would presume the DoS mitigation measures in ICE [RFC 5245] are
> insufficient), or is it just that UDP is so toxic to network operators
> that you predict it will be turned off?

My concern is that IPv4 UDP is so toxic it will be blocked.  It may be
wise to start SCTP in the standard from the start.

Cameron