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

Luigi Iannone <ggx@gigix.net> Wed, 03 June 2020 18:35 UTC

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From: Luigi Iannone <ggx@gigix.net>
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Date: Wed, 3 Jun 2020 20:35:46 +0200
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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> <BC79F480-E470-448F-A1D2-D5BA9217483F@gigix.net> <542A34A4-64F5-4AA6-85C0-E1E46B30D470@cisco.com> <4A63368E-BFA8-48CA-8F73-51D11D63A1B1@cisco.com>
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Subject: Re: [lisp] I-D Action: draft-ietf-lisp-gpe-15.txt
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Perfect :-)

Thanks Fabio

L.


> On 3 Jun 2020, at 19:00, Fabio Maino (fmaino) <fmaino@cisco.com> wrote:
> 
> Done!
>  
> Fabio
>  
> From: Fabio Maino <fmaino@cisco.com>
> Date: Wednesday, June 3, 2020 at 9:43 AM
> To: Luigi Iannone <ggx@gigix.net>
> Cc: "lisp@ietf.org" <lisp@ietf.org>rg>, "draft-ietf-lisp-gpe@ietf.org" <draft-ietf-lisp-gpe@ietf.org>
> Subject: Re: [lisp] I-D Action: draft-ietf-lisp-gpe-15.txt
>  
> Sounds good Luigi. 
>  
> I’ll publish an updated version that reflects your suggestions later today.
>  
> Fabio
>  
> From: Luigi Iannone <ggx@gigix.net>
> Date: Tuesday, June 2, 2020 at 10:45 PM
> To: Fabio Maino <fmaino@cisco.com>
> Cc: "lisp@ietf.org" <lisp@ietf.org>rg>, "draft-ietf-lisp-gpe@ietf.org" <draft-ietf-lisp-gpe@ietf.org>
> Subject: Re: [lisp] I-D Action: draft-ietf-lisp-gpe-15.txt
> Resent-From: <alias-bounces@ietf.org>
> Resent-To: Fabio Maino <fmaino@cisco.com>om>, <jennifer.lemon@broadcom.com>om>, <puneet@acm.org>rg>, Darrel Lewis <darlewis@cisco.com>om>, <michsmit@cisco.com>
> Resent-Date: Tuesday, June 2, 2020 at 10:44 PM
>  
> 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 <mailto: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://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