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RE: Limited domains ...

Ron Bonica <rbonica@juniper.net> Thu, 28 May 2020 01:01 UTC

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From: Ron Bonica <rbonica@juniper.net>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>, Robert Raszuk <robert@raszuk.net>, "Zafar Ali (zali)" <zali@cisco.com>
CC: "EXT-Andrew.Alston@liquidtelecom.com" <Andrew.Alston@liquidtelecom.com>, "spring@ietf.org" <spring@ietf.org>, 6man <6man@ietf.org>
Subject: RE: Limited domains ...
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Brian,

I'm glad you brought this up, because I certainly have been thinking it. 

                                  Ron



Juniper Business Use Only

-----Original Message-----
From: Brian E Carpenter <brian.e.carpenter@gmail.com> 
Sent: Wednesday, May 27, 2020 7:11 PM
To: Robert Raszuk <robert@raszuk.net>; Zafar Ali (zali) <zali@cisco.com>
Cc: EXT-Andrew.Alston@liquidtelecom.com <Andrew.Alston@liquidtelecom.com>; Ron Bonica <rbonica@juniper.net>; spring@ietf.org; 6man <6man@ietf.org>
Subject: Re: Limited domains ...

[External Email. Be cautious of content]


On 28-May-20 10:39, Robert Raszuk wrote:
...
> Maybe we should just drop right here this "limited domain" restriction/scope for any solution being discussed here ?

In that case we should definitely never have adopted draft-ietf-6man-segment-routing-header, whose first reference is RFC8402, which is very explicitly a description of a limited doman model:

"Segment Routing domain (SR domain): the set of nodes participating in
 the source-based routing model...   It is expected that all
 nodes in an SR domain are managed by the same administrative entity."

The CRH draft says essentially the same:

"   o  Is designed to operate within a network domain."

    Brian

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