Re: [lp-wan] C Implementation of SCHC ?

"Khaled Q. Abdelfadeel" <khaled.abdelfadeel@ieee.org> Fri, 18 October 2019 16:21 UTC

Return-Path: <khaled.abdelfadeel@ieee.org>
X-Original-To: lp-wan@ietfa.amsl.com
Delivered-To: lp-wan@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B6A111200F9 for <lp-wan@ietfa.amsl.com>; Fri, 18 Oct 2019 09:21:51 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.999
X-Spam-Level:
X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ieee.org
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 NhcQPehqDj-7 for <lp-wan@ietfa.amsl.com>; Fri, 18 Oct 2019 09:21:49 -0700 (PDT)
Received: from mail-io1-xd33.google.com (mail-io1-xd33.google.com [IPv6:2607:f8b0:4864:20::d33]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7101912000F for <lp-wan@ietf.org>; Fri, 18 Oct 2019 09:21:49 -0700 (PDT)
Received: by mail-io1-xd33.google.com with SMTP id c6so8076446ioo.13 for <lp-wan@ietf.org>; Fri, 18 Oct 2019 09:21:49 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ieee.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=otP1PR+jCXlAeiFr+NS2c1ko2zOCchgN5rFgTUmFbp0=; b=WshdPfZpUTJZNsmPAO+dAAfNlEbsur+r3G4YmbdFpnxIEITSNIv154h1/kYCbzT4ta iR9p9QcVzklvpU4nnLr742SeT9bIXIdyc2cGIsX9tYJMc0GfC1LG7MnCBazRaAbYQgEQ 92/q9znZEtcJydDlukHgPPhvBSrzd1s3QslNc=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=otP1PR+jCXlAeiFr+NS2c1ko2zOCchgN5rFgTUmFbp0=; b=B46+kaZPjSh/536pX6pF5oA4gWDmmgLzaoSmMOY3fcirl+EcSAXYvg5b1kHGo+SYxW 0UfUqunh58yovjHKzy5P0DJ+Q2UfzjZi5KrSd2Z0wl85ITdxC8uxq3l8Ie6LIxNohmVq lK1ntQt9tiK0O2AZHaIa0Ddt+mKMshTaUUJDUDzYuLtgcVXHeH00+lmBdk9EYzFsVq1z 80Z1+DNRjpJypnmWVimNcqeLKqI+LpxMRKfqoFsUnmnOO5FnrjzlBw8rlq56Kv7glDAT wP0Axy97T7Ag8Ae0ZA670kyYDnyt+z+v/7bFeJkv+7wBSzrKTIh4Up4roDwUCSL5TtAJ 9Ycw==
X-Gm-Message-State: APjAAAVhNeMvaerp/fKeB8q0h4i9UoawgNZRqZwFUSNw6XjqIGS3a9kK 51JFGgEpcCZmxvSKjPUq9fM7k6cInSc=
X-Google-Smtp-Source: APXvYqxEYqeRCHi5WA1T42S6LfgUBPEvkrd71UpuO49QlBksL7qtYMpj4HfeN8kN7koUY4xIPXhiqA==
X-Received: by 2002:a6b:5b11:: with SMTP id v17mr10023952ioh.113.1571415708526; Fri, 18 Oct 2019 09:21:48 -0700 (PDT)
Received: from mail-io1-f52.google.com (mail-io1-f52.google.com. [209.85.166.52]) by smtp.gmail.com with ESMTPSA id f12sm1931540iob.58.2019.10.18.09.21.47 for <lp-wan@ietf.org> (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Oct 2019 09:21:47 -0700 (PDT)
Received: by mail-io1-f52.google.com with SMTP id h144so8121695iof.7 for <lp-wan@ietf.org>; Fri, 18 Oct 2019 09:21:47 -0700 (PDT)
X-Received: by 2002:a6b:b907:: with SMTP id j7mr7408011iof.81.1571415707422; Fri, 18 Oct 2019 09:21:47 -0700 (PDT)
MIME-Version: 1.0
References: <32751_1571415063_5DA9E417_32751_90_1_D9CFADCB.66893%dominique.barthel@orange.com>
In-Reply-To: <32751_1571415063_5DA9E417_32751_90_1_D9CFADCB.66893%dominique.barthel@orange.com>
From: "Khaled Q. Abdelfadeel" <khaled.abdelfadeel@ieee.org>
Date: Fri, 18 Oct 2019 17:21:38 +0100
X-Gmail-Original-Message-ID: <CAA4ML=Kgr-R25Ku3P578NNNzg1WgKQH4aZHFrPzFgQyEN_E8-A@mail.gmail.com>
Message-ID: <CAA4ML=Kgr-R25Ku3P578NNNzg1WgKQH4aZHFrPzFgQyEN_E8-A@mail.gmail.com>
To: dominique.barthel@orange.com
Cc: Hannes Tschofenig <Hannes.Tschofenig@arm.com>, lp-wan <lp-wan@ietf.org>
Content-Type: multipart/alternative; boundary="0000000000000918ff059531bb85"
Archived-At: <https://mailarchive.ietf.org/arch/msg/lp-wan/wfq_GWQTuVH8HO9-8IKDO-JIZtM>
Subject: Re: [lp-wan] C Implementation of SCHC ?
X-BeenThere: lp-wan@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Low-Power Wide Area Networking \(LP-WAN\), also known as LPWA or Low-Rate WAN \(LR-WAN\)" <lp-wan.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/lp-wan>, <mailto:lp-wan-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/lp-wan/>
List-Post: <mailto:lp-wan@ietf.org>
List-Help: <mailto:lp-wan-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/lp-wan>, <mailto:lp-wan-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 18 Oct 2019 16:21:52 -0000

Hi Hanna,

we have published the following papers around SCHC:

1- LSCHC: Layered Static Context Header Compression for LPWANs
2- Dynamic Context for Static Context Header compression in LPWANs

Best,
Khaled

On Fri, Oct 18, 2019 at 5:11 PM <dominique.barthel@orange.com> wrote:

> Hello Hannes,
>
> I don't know of a SCHC implementation at this time.
> The closest I know to an implementation is the RiOT guys intention of
> adding SCHC to RioT. AFAIK, they were debating whether to rewrite SCHC in C
> or run micropython over RioT.
>
> Regarding papers, I'm aware of a paper being submitted by S. Aguilar et
> al. (IMT Atlantique, Rennes and UPC, Barcelona) but I'm not sure what its
> status exactly is.
> I'll let the authors come out of the wood.
> A quick search on ieeeexplore with the keyword "SCHC" returned two
> relevant papers (published this summer), YMMV.
> What performance are you interested in ? Compression, fragmentation, .. ?
>
> Best regards
>
> Dominique
>
> De : lp-wan <lp-wan-bounces@ietf.org> on behalf of Hannes Tschofenig <
> Hannes.Tschofenig@arm.com>
> Date : Friday 18 October 2019 16:55
> À : lp-wan <lp-wan@ietf.org>
> Objet : [lp-wan] C Implementation of SCHC ?
>
> Hi all,
>
>
>
> I was searching for a C implementation of SCHC and only found Python and
> JavaScript implementations. Can someone send me a pointer to a C
> implementation?
>
>
>
> I also recall a paper being distributed about the performance of SCHC but
> I cannot find that either. A pointer would be great.
>
>
>
> Thanks.
>
>
>
> Ciao
>
> Hannes
> IMPORTANT NOTICE: The contents of this email and any attachments are
> confidential and may also be privileged. If you are not the intended
> recipient, please notify the sender immediately and do not disclose the
> contents to any other person, use it for any purpose, or store or copy the
> information in any medium. Thank you.
>
> _________________________________________________________________________________________________________________________
>
> Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc
> pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler
> a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration,
> Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci.
>
> This message and its attachments may contain confidential or privileged information that may be protected by law;
> they should not be distributed, used or copied without authorisation.
> If you have received this email in error, please notify the sender and delete this message and its attachments.
> As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified.
> Thank you.
>
> _______________________________________________
> lp-wan mailing list
> lp-wan@ietf.org
> https://www.ietf.org/mailman/listinfo/lp-wan
>