Re: [i2rs] format for information models

[Thomas Nadeau <[e-mail]>]

LoL!

From: Edward Crabbe <[e-mail]<mailto:[e-mail]>>
Date: Thursday, January 24, 2013 2:09 PM
To: Thomas Nadeau <[e-mail]<mailto:[e-mail]>>
Cc: Juergen Schoenwaelder <[e-mail]<mailto:[e-mail]>>, Alia Atlas <[e-mail]<mailto:[e-mail]>>, Adrian Farrel <[e-mail]<mailto:[e-mail]>>, "[e-mail]<mailto:[e-mail]>" <[e-mail]<mailto:[e-mail]>>
Subject: Re: [i2rs] format for information models

I could not agree with your agreeing with me more.  ;)


On Thu, Jan 24, 2013 at 10:33 AM, Thomas Nadeau <[e-mail]<mailto:[e-mail]>> wrote:


From: Edward Crabbe <[e-mail]<mailto:[e-mail]>>
Date: Thursday, January 24, 2013 1:28 PM
To: Juergen Schoenwaelder <[e-mail]<mailto:[e-mail]>>, Alia Atlas <[e-mail]<mailto:[e-mail]>>, Adrian Farrel <[e-mail]<mailto:[e-mail]>>, "[e-mail]<mailto:[e-mail]>" <[e-mail]<mailto:[e-mail]>>
Subject: Re: [i2rs] format for information models

+1 here.  If the relationships are hierarchical / acyclic then YANG would be a good choice /but/  we also have draft-amante-irs-topology-use-cases-0 on the table, and potentially some related documents incoming;  if these efforts move forward (ie: modelling inter layer relationships and the physical plant) we may want to look at other alternatives.

I think this is an interesting discussion to have; it's a bit premature to settle on a solution given the current uncertainty in the use case set, *but* it's almost never too early to start experimenting.

That is my (implied) point for supporting the Yang approach. Specifically, to me it is about picking an approach (that seems to have a lot of support) and just working with it until someone finds something better to use.   At this point we need to stop talking about which hammer to pick, and instead pick one and build something. Call it experimental or exploratory, but I would like us to start building some examples.  We can tear them down later, but its clear we won't get anywhere until we start somewhere.

--Tom


On Thu, Jan 24, 2013 at 8:26 AM, Juergen Schoenwaelder <[e-mail]<mailto:[e-mail]>> wrote:
On Thu, Jan 24, 2013 at 11:13:44AM -0500, Alia Atlas wrote:
> Juergen,
>
> What would you recommend for an information model for i2rs?
>

Frankly, I do not know. I am still unsure what the scope/complexity of
i2rs really is. To find out, I guess people just have to pick
something and get started. YANG tree diagrams are fine to get a quick
overview of YANG data models, they likely won't be the right tool if
many of data model items with more complex interrelationships are
involved - then you need additional diagrams.

/js

--
Juergen Schoenwaelder           Jacobs University Bremen gGmbH
Phone: [phone]<tel:%2B49%20421%20200%203587>         Campus Ring 1, 28759 Bremen, Germany
Fax:   [phone]<tel:%2B49%20421%20200%203103>         <http://www.jacobs-university.de/>
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