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RE: [EXTERNAL] Re: Limited Domains:

"Manfredi (US), Albert E" <albert.e.manfredi@boeing.com> Fri, 16 April 2021 22:12 UTC

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From: "Manfredi (US), Albert E" <albert.e.manfredi@boeing.com>
To: Robert Raszuk <robert@raszuk.net>
CC: "6man@ietf.org" <6man@ietf.org>
Subject: RE: [EXTERNAL] Re: Limited Domains:
Thread-Topic: [EXTERNAL] Re: Limited Domains:
Thread-Index: AQHXMwmIWiPNkkCBGkmdj1yDea3iI6q3snRw
Date: Fri, 16 Apr 2021 22:11:48 +0000
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From: ipv6 <ipv6-bounces@ietf.org> On Behalf Of Robert Raszuk

> I think this this thread nicely demonstrates that we need to first define what a "limited domain" is. 
>
> To some it seems to be 1980s definition of an IGP network boundary. More modern folks would consider as "limited domain" a set of IGP ASNs areas interconnected by p2p BGP still under the same administration. 
>
> For me "limited domain" is an arbitrary collection of sites anywhere in the world using Internet for inter-connectivity.

Good point! Whereas to me, "limited domain" means, only inside this platform.

> So any protocol which claims to be defined for "limited domain" and which claims that it is backwards compatible with nodes not supporting it is equal to allow it to traverse Internet.

"Backwards compatible" may mean different things to different people, and it seem dubious in this case (because flow label is to be a random value, per IPv6). My main view is, if the domain is truly limited, firewalled or even air gapped, then what is the motivation to seek approval in a standards body?

Bert

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