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Re: Limited Domains:

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 12 April 2021 22:09 UTC

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Subject: Re: Limited Domains:
To: Fred Baker <fredbaker.ietf@gmail.com>
Cc: Ron Bonica <rbonica@juniper.net>, "Ahmed Abdelsalam (ahabdels)" <ahabdels=40cisco.com@dmarc.ietf.org>, "6man@ietf.org" <6man@ietf.org>, "draft-filsfils-6man-structured-flow-label@ietf.org" <draft-filsfils-6man-structured-flow-label@ietf.org>
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From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Message-ID: <12878114-5c26-86f9-89c3-bcfa10141684@gmail.com>
Date: Tue, 13 Apr 2021 10:09:35 +1200
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On 13-Apr-21 08:52, Fred Baker wrote:
> 
> 
>> On Apr 12, 2021, at 1:51 PM, Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>>
>> In other words, a redefined flow label could be used pairwise between hosts that have determined that they are both members of a particular limited domain.
> 
> Which would eliminate the use of the flow label by systems that are not part of that domain.

No, it would create two sets of nodes: nodes using RFC6437 between themselves, and nodes using some other interpretation of the flow label between themselves. Ships in the night, really just like running IPX and CLNP on the same network. We used to do that a lot.

I'm not advocating this, just pointing out that it's possible.

   Brian

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