IETF Logo Mail Archive

Re: [core] Using CoAP for P2P

Carsten Bormann <cabo@tzi.org> Mon, 06 April 2020 11:47 UTC

Return-Path: <cabo@tzi.org>
X-Original-To: core@ietfa.amsl.com
Delivered-To: core@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B1E683A0F71 for <core@ietfa.amsl.com>; Mon, 6 Apr 2020 04:47:13 -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, 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 n3IMoDNd_e3b for <core@ietfa.amsl.com>; Mon, 6 Apr 2020 04:47:11 -0700 (PDT)
Received: from gabriel-vm-2.zfn.uni-bremen.de (gabriel-vm-2.zfn.uni-bremen.de [134.102.50.17]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 228813A0F70 for <core@ietf.org>; Mon, 6 Apr 2020 04:47:10 -0700 (PDT)
Received: from [192.168.217.119] (p548DCD70.dip0.t-ipconnect.de [84.141.205.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-vm-2.zfn.uni-bremen.de (Postfix) with ESMTPSA id 48wpfz5dlJzysM; Mon, 6 Apr 2020 13:47:07 +0200 (CEST)
Content-Type: text/plain; charset="utf-8"
Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\))
From: Carsten Bormann <cabo@tzi.org>
In-Reply-To: <CAEW_hyzsq8T9uXQYUacZ5VzWf7JsJ1xAzKEMaA-XemOWW06fBQ@mail.gmail.com>
Date: Mon, 06 Apr 2020 13:47:07 +0200
Cc: core <core@ietf.org>
X-Mao-Original-Outgoing-Id: 607866427.135388-8334f518b4853badf555743462f0eb85
Content-Transfer-Encoding: quoted-printable
Message-Id: <F11ABE2A-89A9-4512-8708-B692B0AABB65@tzi.org>
References: <CAEW_hyzh3FAvHi1eTkbyGn99o4nFgcH1xP90FdQ6N9sHsAJVYQ@mail.gmail.com> <A8E6E9AA-2E34-439E-8761-53385086CDB9@arm.com> <CAEW_hyy+0fViN8dMWiCi_QHjeD5J4DUAnoRUg5MAKS6fQ3DzcQ@mail.gmail.com> <7B20E77F-CFF4-4735-A0C2-99121CD352D3@ericsson.com> <CAEW_hyzbtq6VbQMq5PhfAQjf6LLz-7t_9He-C_kaU5jztsf20A@mail.gmail.com> <CF1E6A23-243F-47A3-9DFB-BB244E96302B@ericsson.com> <CAEW_hyzsq8T9uXQYUacZ5VzWf7JsJ1xAzKEMaA-XemOWW06fBQ@mail.gmail.com>
To: Abhijan Bhattacharyya <abhijan.bhattacharyya@gmail.com>
X-Mailer: Apple Mail (2.3608.80.23.2.2)
Archived-At: <https://mailarchive.ietf.org/arch/msg/core/CIkvYfnUbhWhCefTqSsQATZD2Ag>
Subject: Re: [core] Using CoAP for P2P
X-BeenThere: core@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Constrained RESTful Environments \(CoRE\) Working Group list" <core.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/core>, <mailto:core-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/core/>
List-Post: <mailto:core@ietf.org>
List-Help: <mailto:core-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/core>, <mailto:core-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 06 Apr 2020 11:47:14 -0000

Hi Abhijan,

> On 2020-04-05, at 14:16, Abhijan Bhattacharyya <abhijan.bhattacharyya@gmail.com> wrote:
> 
> Probably what can  be standardized is a method for signalling and exchanging the ICE candidates so that end nodes can mutually push the data to the other. 

Have we already established that you do need ICE?
I agree that in a NATted, IPv4 environment ICE is a good way to obtain useful address pairs.
Can you run your application in a clean IPv6 environment?
Then you don’t need ICE; everything just falls into place.

Grüße, Carsten

v2.23.0 | Report a Bug | By Email