IETF Logo Mail Archive

Re: [6tisch] draft-tiloca-6tisch-robust-scheduling-01 --- rekeying permutation key

Mališa Vučinić <malisa.vucinic@inria.fr> Fri, 05 April 2019 21:10 UTC

Return-Path: <malisa.vucinic@inria.fr>
X-Original-To: 6tisch@ietfa.amsl.com
Delivered-To: 6tisch@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 0BAA412032D for <6tisch@ietfa.amsl.com>; Fri, 5 Apr 2019 14:10:17 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -5.92
X-Spam-Level:
X-Spam-Status: No, score=-5.92 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FROM_EXCESS_BASE64=0.979, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=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 YQlMoaO5Oh3Y for <6tisch@ietfa.amsl.com>; Fri, 5 Apr 2019 14:10:14 -0700 (PDT)
Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1A7A5120167 for <6tisch@ietf.org>; Fri, 5 Apr 2019 14:10:13 -0700 (PDT)
X-IronPort-AV: E=Sophos;i="5.60,313,1549926000"; d="scan'208,217";a="377436727"
Received: from unknown (HELO [192.168.1.138]) ([79.143.111.171]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Apr 2019 23:10:12 +0200
From: Mališa Vučinić <malisa.vucinic@inria.fr>
Message-Id: <634BC96B-31B8-4BBF-867D-207CEF9F58B7@inria.fr>
Content-Type: multipart/alternative; boundary="Apple-Mail=_7BE6443C-2454-4135-B4BB-EE3E28B60DAD"
Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\))
Date: Fri, 05 Apr 2019 23:10:08 +0200
In-Reply-To: <668.1554488574@localhost>
Cc: 6tisch <6tisch@ietf.org>
To: Michael Richardson <mcr+ietf@sandelman.ca>
References: <5427.1554253601@localhost> <6ec51921-6dd6-78d4-9b5d-bde9ad40b35c@ri.se> <8081.1554386670@localhost> <B222C2F7-084F-4CBA-A55D-720619058D38@inria.fr> <10538.1554392453@localhost> <5B3CDDA6-E057-4486-B2C2-3BD9E369F6D9@inria.fr> <0409CD02-8399-400D-AA84-17A2CB878418@inria.fr> <668.1554488574@localhost>
X-Mailer: Apple Mail (2.3445.102.3)
Archived-At: <https://mailarchive.ietf.org/arch/msg/6tisch/cof1C8-X54viinnP6kBn1RUV1qM>
Subject: Re: [6tisch] draft-tiloca-6tisch-robust-scheduling-01 --- rekeying permutation key
X-BeenThere: 6tisch@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tisch.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/6tisch>, <mailto:6tisch-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/6tisch/>
List-Post: <mailto:6tisch@ietf.org>
List-Help: <mailto:6tisch-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/6tisch>, <mailto:6tisch-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 05 Apr 2019 21:10:17 -0000

On 5 Apr 2019, at 20:22, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
> 
> Also so that the many unicast conversations needed to do the rekey can be spread
> across a large amount of time, letting the JRC reach out to even very sleepy
> nodes.

Good point indeed, sleepy nodes may miss the reception slots and appear disconnected but as long as they are in the network they will eventually get the CoJP Parameter Update Request and the new keys, assuming JRC implements the default retransmission mechanism.

Mališa

v2.23.0 | Report a Bug | By Email