On Wed, Feb 28, 2018 at 10:40:55AM +1300, Brian E Carpenter wrote:
> (a) Undoubtedly we will have changes to make after IETF Last Call,
> so we can put this on ice until then.
> (b) Yes, I think the text here and in RFC7575 is fine. Maybe it's
> the WG charter which is wrong :-). As you know, the point was to
> avoid any clash with HOMENET. But "traditionally managed" is a better
> phrase than "professionally managed", I think.
Interesting aside!
Is a network with an SDN controller traditionally managed ?
If the SDN controller uses the ACP, does this change the result ?
Long term NMS'ler would say controller/orchestrator are just fancy new
words for mostly the provisioning part of NMS, but:
Good controllers/orchestrator would also be intent based
only that the rendering of the intent would not necessarily be
autonomic. But then we have never IMHO well described what criteria
are required to call a particular method of intent rendering autonomic.
Some for example would make distribution the key criteria while i
would just look at the observable resilience of a function.
To use a militaristic explanation: When doing PIM-SM, defense customers
asked us what happens when the enemy shoots down the RP. And then shoot
down its replacement. An so on. Now replace RP with SDN controller.
Aka: resilient = able to automatically restart in one of enough places to
make the solution survive all covered incidents.
The "ability to shoot down anything" was btw. the original 1st requirement
by DoD against Arpanet, so i would be careful to call autonomic networks
non-traditional (managed). I would not know what would be more traditional
than meeting this expectation for an IP network.
Cheers
Toerless
> Brian
> >
> > Michael
> >
> >
> >
> > On 26/02/18 22:21, Brian E Carpenter wrote:
> >> While looking at Pascal's ACP review, I noticed that although ANIMA
> >> scope is limited by charter to "professionally managed" networks,
> >> we do not mention that scope in draft-ietf-anima-reference-model.
> >> It seems like something to be added to the Introduction.
> >>
> >> Comments?
> >>
> >> Regards
> >> Brian Carpenter
> >>
> >>
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