Re: [lisp] I-D Action: draft-ietf-lisp-gpe-15.txt

Luigi Iannone <ggx@gigix.net> Wed, 03 June 2020 05:44 UTC

Return-Path: <ggx@gigix.net>
X-Original-To: lisp@ietfa.amsl.com
Delivered-To: lisp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A3E0C3A0A24 for <lisp@ietfa.amsl.com>; Tue, 2 Jun 2020 22:44:56 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.898
X-Spam-Level:
X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, 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 (2048-bit key) header.d=gigix-net.20150623.gappssmtp.com
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 aYfuM5ZymuVS for <lisp@ietfa.amsl.com>; Tue, 2 Jun 2020 22:44:54 -0700 (PDT)
Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) (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 28A6A3A0477 for <lisp@ietf.org>; Tue, 2 Jun 2020 22:44:54 -0700 (PDT)
Received: by mail-wm1-x334.google.com with SMTP id v19so604059wmj.0 for <lisp@ietf.org>; Tue, 02 Jun 2020 22:44:54 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gigix-net.20150623.gappssmtp.com; s=20150623; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=6VSTX0DsnFi957lXVHLZgeb22TxBH1K6Tv0Qeb0KuA8=; b=Sx1VznVivcz4eGmW26iMmhhLhp9oGtc96UT331bgBLRZqs3ZtfpOglLQHwZf4k4TQy 3kX+DN04i72tdGJBQRGYWJmf23ZIzNkrpKpb+Hpyln/GfA6b2ShaYq5ACnJBT8fS78Oq JRIg0U+v8PiCaS7CPi27mC307dGsoFpdk+I+YZWmdwWZpIw80vYX73R89gS8swprcgjS ANAVvYaXAKn9CWIp9HDdUHYq1pQD109kbjrHiDG2lapDBeuonrPwv50DpC7BYIw4H6JA h4gkO2iaAOcCPPPAI3rFSBNXDBI9x+aUW08KlykAeXsrtU62qMd4zSxEN1r60JzrylO/ Cs0w==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=6VSTX0DsnFi957lXVHLZgeb22TxBH1K6Tv0Qeb0KuA8=; b=KgNoQciiZh407/FRopNhemTFzVwyac3fnEZ5c/vm6TWoNVbEBzliFa05nPggTDS0Ds FTqjnJZHyJ2taTTHCSvk83dFvDuKvWXK0CgXH9pdBNgIiBgemist9rmAJQ9SCGIZD+Ru oTQPLsKWX0/3mIby6xfv+5yf6Q37G4FbKI7A+4oJRiKnNGAg6YGXq+1v9/SlNFPOWLwV lbmJLh7EXMiZRm09HyDzT0pMRMHKjhYnE6mNG/Ou8W57IPV0EIFD0Ud3dn0dSdALA38g 9VgaBCzjgX1Fwjq2velJpX8wQ+e1h/1M+u3SOs1IzaEJDJ8z7QG9cvEAaK7ctuJDDl2H hi1w==
X-Gm-Message-State: AOAM5301aPNbBHhIcdAKydIEEz8PDrCGJmI4Muy0AGJUo6YsHojoG7QG YNtLHj3QEO/dpG4558TR0KjEXQ==
X-Google-Smtp-Source: ABdhPJxf+FbEo2zsKP5wD9R1fgddg58hVOI0tGjP0cpB9eH9GcyEz40ilcEWU22zc9MEC0Y+Z086jw==
X-Received: by 2002:a7b:c08f:: with SMTP id r15mr6946888wmh.6.1591163092526; Tue, 02 Jun 2020 22:44:52 -0700 (PDT)
Received: from ?IPv6:2a01:e0a:1ec:470:c150:68bd:f9ea:5cac? ([2a01:e0a:1ec:470:c150:68bd:f9ea:5cac]) by smtp.gmail.com with ESMTPSA id v19sm1260824wml.26.2020.06.02.22.44.51 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 02 Jun 2020 22:44:51 -0700 (PDT)
From: Luigi Iannone <ggx@gigix.net>
Message-Id: <BC79F480-E470-448F-A1D2-D5BA9217483F@gigix.net>
Content-Type: multipart/alternative; boundary="Apple-Mail=_22790DBE-C520-4F93-86E0-FF704A48D576"
Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.80.23.2.2\))
Date: Wed, 3 Jun 2020 07:44:51 +0200
In-Reply-To: <218065E1-2106-407A-BDFC-3DEE85049094@gigix.net>
Cc: "lisp@ietf.org" <lisp@ietf.org>, "draft-ietf-lisp-gpe@ietf.org" <draft-ietf-lisp-gpe@ietf.org>
To: "Fabio Maino (fmaino)" <fmaino@cisco.com>
References: <159099007522.25563.11308110319037900150@ietfa.amsl.com> <2930E31B-6388-46F6-A366-FC8B71721AED@gigix.net> <0E828956-16D3-43CA-9341-8833FC9B8A8E@cisco.com> <F06EBB57-C6F9-4490-91F5-38F1589C0643@gigix.net> <B9E6E012-2210-42D5-B16D-BC542CF52313@cisco.com> <218065E1-2106-407A-BDFC-3DEE85049094@gigix.net>
X-Mailer: Apple Mail (2.3608.80.23.2.2)
Archived-At: <https://mailarchive.ietf.org/arch/msg/lisp/GeWqoQtXVBmjqPVQKyx17253K5M>
Subject: Re: [lisp] I-D Action: draft-ietf-lisp-gpe-15.txt
X-BeenThere: lisp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: List for the discussion of the Locator/ID Separation Protocol <lisp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/lisp>, <mailto:lisp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/lisp/>
List-Post: <mailto:lisp@ietf.org>
List-Help: <mailto:lisp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/lisp>, <mailto:lisp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Jun 2020 05:44:57 -0000

Hello again,

if you agree to change the text as for may previous email table in section 6 IANA Considerations must be updated as well.

Ciao

L.




 

> On 3 Jun 2020, at 07:38, Luigi Iannone <ggx@gigix.net> wrote:
> 
> Hi Fabio,
> 
> thanks for the clarification. I think that I finally got it:
> 
> 0x7E to 0x7F is for just experimentation.
> 
>  0xFE to 0xFF is for shim headers experimentation 
> 
> My confusion came from the fact that is not clearly stated.
> 
> Can we modify the text as:
> 
> 0x7E to 0x7F:  Experimentation and testing	
> 0x80 to 0xFD:  Unassigned (shim headers)	
> 0xFE to 0xFF:  Experimentation and testing (shim headers)
> 
> So that the difference  is clearly stated.
> 
> Ciao
> 
> L.
> 
> 
> 
>> On 2 Jun 2020, at 19:34, Fabio Maino (fmaino) <fmaino@cisco.com <mailto:fmaino@cisco.com>> wrote:
>> 
>> Ciso Luigi, please see below...
>> 
>> ´╗┐On 6/2/20, 12:11 AM, "Luigi Iannone" <ggx@gigix.net <mailto:ggx@gigix.net>> wrote:
>> 
>> 
>> 
>>> On 1 Jun 2020, at 07:53, Fabio Maino (fmaino) <fmaino@cisco.com <mailto:fmaino@cisco.com>> wrote:
>>> 
>>> Ciao Luigi, 
>>> The reason is to allow to experiment with shim headers and non-shim headers at the same time. As you may remember shim headers have a more fixed encodng and must be located before non-shim headers.
>> 
>>    That is OK for me. 
>> 
>>    But my question is why this:
>> 
>>> 0x7E to 0x7F:  Experimentation and testing	
>> 
>> FM> The two above are for experimentation of NON shim headers
>> 
>>>    0x80 to 0xFD:  Unassigned (shim headers)	
>>>    0xFE to 0xFF:  Experimentation and testing
>> 
>>> FM These two are for experimentation of shim headers. 
>> 
>> Shim headers are placed (and processed) first, so we want to give the freedom to experiment with both. 
>> 
>> For example, one would want to experiment with a shim header (identified by 0xFE) that carries some special metadata for IPv4 payloads, while someone else would want to experiment with IPv8 payloads (identified with 0x7E). A third person might want to experiment, at the same time, with a shim header that carries special metadata for IPv8. 
>> 
>> Fabio
>> 
>> 
>> 
>> 
>> 
>> 
>>    Instead of this (range has been adapted):
>> 
>>    0x7E to 0xFB:  Unassigned (shim headers)	
>>    0xFC to 0xFF:  Experimentation and testing
>> 
>>    ??
>> 
>>    Certainly I am missing something ;-)
>> 
>>    Ciao
>> 
>>    L.
>> 
>> 
>> 
>>> 
>>> Thanks,
>>> Fabio
>>> 
>>> 
>>> 
>>> On 5/31/20, 10:47 PM, "Luigi Iannone" <ggx@gigix.net <mailto:ggx@gigix.net>> wrote:
>>> 
>>>   Thank you for updating the document.
>>> 
>>>   I have a quick question.
>>> 
>>>   Looking at the next protocol values we now see:
>>> 
>>>    0x7E to 0x7F:  Experimentation and testing	
>>>    0x80 to 0xFD:  Unassigned (shim headers)	
>>>    0xFE to 0xFF:  Experimentation and testing
>>> 
>>>   Can you provide a rationale why not having just one bigger experimentation and testing range instead of two with an unassigned range in the middle?
>>> 
>>>   Thanks
>>> 
>>>   Ciao
>>> 
>>>   L.
>>> 
>>> 
>>> 
>>>> On 1 Jun 2020, at 07:41, internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> wrote:
>>>> 
>>>> 
>>>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>>>> This draft is a work item of the Locator/ID Separation Protocol WG of the IETF.
>>>> 
>>>>      Title           : LISP Generic Protocol Extension
>>>>      Authors         : Fabio Maino
>>>>                        Jennifer Lemon
>>>>                        Puneet Agarwal
>>>>                        Darrel Lewis
>>>>                        Michael Smith
>>>> 	Filename        : draft-ietf-lisp-gpe-15.txt
>>>> 	Pages           : 15
>>>> 	Date            : 2020-05-31
>>>> 
>>>> Abstract:
>>>> This document describes extentions to the Locator/ID Separation
>>>> Protocol (LISP) Data-Plane, via changes to the LISP header, to
>>>> support multi-protocol encapsulation.
>>>> 
>>>> 
>>>> The IETF datatracker status page for this draft is:
>>>> https://datatracker.ietf.org/doc/draft-ietf-lisp-gpe/ <https://datatracker.ietf.org/doc/draft-ietf-lisp-gpe/>
>>>> 
>>>> There are also htmlized versions available at:
>>>> https://tools.ietf.org/html/draft-ietf-lisp-gpe-15
>>>> https://datatracker.ietf.org/doc/html/draft-ietf-lisp-gpe-15
>>>> 
>>>> A diff from the previous version is available at:
>>>> https://www.ietf.org/rfcdiff?url2=draft-ietf-lisp-gpe-15
>>>> 
>>>> 
>>>> Please note that it may take a couple of minutes from the time of submission
>>>> until the htmlized version and diff are available at tools.ietf.org.
>>>> 
>>>> Internet-Drafts are also available by anonymous FTP at:
>>>> ftp://ftp.ietf.org/internet-drafts/
>>>> 
>>>> 
>>>> _______________________________________________
>>>> lisp mailing list
>>>> lisp@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/lisp
>