+1 for Netconf for the I2RS protocol and YANG for the modeling language.

Thanks,
Ramki (Brocade Communications Systems, Inc.)

-----Original Message-----
From: i2rs [mailto:[email protected]] On Behalf Of Geoffrey Mattson
Sent: Friday, April 18, 2014 3:11 PM
To: Jeff Tantsura; Jan Medved (jmedved); Dean Bogdanovic; Jamal Hadi Salim
Cc: [email protected]; Edward Crabbe
Subject: Re: [i2rs] consensus on I2RS protocol and model

+1 for Netconf for the I2RS protocol and YANG for the modeling language.

On 4/18/14 3:04 PM, "Jeff Tantsura" <[email protected]> wrote:

>+1 for Netconf/YANG for the i2rs protocol and for YANG as
>the modeling language.
>
>
>Cheers,
>Jeff
>
>
>-----Original Message-----
>From: "Jan Medved   (jmedved)" <[email protected]>
>Date: Friday, April 18, 2014 1:59 PM
>To: Dean Bogdanovic <[email protected]>, Jamal Hadi Salim 
><[email protected]>
>Cc: "[email protected]" <[email protected]>, Edward Crabbe <[email protected]>
>Subject: Re: [i2rs] consensus on I2RS protocol and model
>
>>Cisco is also implementing Netconf - it¹s available on XR today, and 
>>it will be available on other platforms as well.
>>
>>For OpenDaylight, we chose Yang as the IDL to describe internal and 
>>external APIs in the controller and so far it has served its purpose 
>>really well.
>>
>>Also, as Tom pointed out, Netconf and Restconf have also been 
>>implemented in ODL. I¹d like to stress that we not only have multiple 
>>Netconf/Restconf implementations from multiple vendors (Brocade, 
>>Juniper, Cisco, just to mention those on this thread), but have 
>>multiple open source implementations as well. In addition to ODL, 
>>there is libnetconfd and a few others.  ODL / libnetconfd interop 
>>testing is done in the ODL regression test suite.  Now, since there 
>>are multiple independent open source implementations, we¹ve got a good 
>>ecosystem for implementation of new Netconf/Restconf/Yang features 
>>that may be required to meet i2rs¹s needs (if the need to evolve the 
>>protocols/language arises).
>>
>>In short, +1 for Netconf/Restconf for the i2rs protocol and for Yang 
>>as the modeling language.
>>
>>
>>
>>Thanks,
>>Jan
>>
>>
>>On 4/18/14, 6:17 AM, "Dean Bogdanovic" <[email protected]> wrote:
>>
>>>Jamal,
>>>
>>>Here are two criteria to be considered:
>>>1. technical
>>>2. commercial/business
>>>
>>>We can discuss pros and cons for both, but have to state that from 
>>>business perspective for Juniper going with RESTCONF/YANG make more 
>>>sense. We already built the Junos model in YANG and have or are in 
>>>process of building needed tools. Same goes for RESTCONF.
>>>We have NETCONF implemented in Junos and are working on RESTCONF 
>>>implementation.
>>>Many carriers adopted or are adopting NETCONF/YANG, are looking into 
>>>RESTCONF as well, so this looks like a low hanging fruit from 
>>>business perspective.
>>>
>>>Looking at technical aspect, unless there is a very compelling reason 
>>>(and there might be, but I'm not aware of it), don't see reason to 
>>>switch from RESTCONF and YANG.
>>>We can find out down the line that RESTCONF/YANG was the wrong way to 
>>>go, but that can be always changed. From my perspective it looks 
>>>right today.
>>>
>>>Just to be clear, I vote for RESTCONF/YANG adoption for i2rs.
>>>
>>>Dean
>>>
>>>On Apr 18, 2014, at 7:27 AM, Jamal Hadi Salim <[email protected]> wrote:
>>>
>>>> Ok, since nobody is saying anything i'll bite.
>>>> How would you like for this discussion to proceed?
>>>> 
>>>> On Fri, Apr 11, 2014 at 1:50 PM, Edward Crabbe <[email protected]> wrote:
>>>>> Dear I2RSers,
>>>>> 
>>>>>  At the last I2RS WG meeting there was a great deal of 
>>>>>conversation  regarding selection of both modeling language and 
>>>>>underlying transport  protocol.  Consensus at the time was to make 
>>>>>use of Yang and (NetConf or
>>>>> RestConf) (unclear).
>>>>> 
>>>> 
>>>> And i believe the view, as correctly presented by you, is for folks 
>>>>to go back  and make educated decisions by actually getting 
>>>>knowledgeable about  the different views presented. "Consensus" that 
>>>>you described above  to me looked like  a pageant popularity contest 
>>>>not based on anything  technical ("who likes contestant in the blue 
>>>>shirt? please cheer for them").
>>>> 
>>>> In my opinion i dont think the requirements are clear.
>>>> 
>>>> Will that get the crickets stop chirping?
>>>> 
>>>> cheers,
>>>> jamal
>>>> 
>>>>>  Before coming to a final consensus, we'd like to give people 
>>>>>adequate time  to review source material, marshall arguments and 
>>>>>discuss on the mailing  list.  To this end, we're asking that 
>>>>>interested parties do just this over  the course of the next ~two 
>>>>>weeks. Following that period, on 4/28, we'll be  initiating a 
>>>>>consensus call that will last an additional two weeks, with the  
>>>>>aim of converging modeling language / protocol by Friday, 5/9.
>>>>> 
>>>>> The consensus call should also generate proposals for any material 
>>>>>changes  required to the underlying protocols.  These proposals in 
>>>>>turn will form the  basis for a later draft including gap analysis 
>>>>>and said changes.
>>>>>Those
>>>>> strongly in favor of one protocol over another should be prepared 
>>>>>to  contribute to this analysis.
>>>>> 
>>>>> 
>>>>> best,
>>>>> 
>>>>>  -ed
>>>>> 
>>>>> _______________________________________________
>>>>> i2rs mailing list
>>>>> [email protected]
>>>>> https://www.ietf.org/mailman/listinfo/i2rs
>>>>> 
>>>> 
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>>>> 
>>>
>>>
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