Re: [YANG] how to signal revision?

We should first define, what we mean with compatible. My definition is that a management system 
that knows only the old version can handle the node i.e. anything it writes into the node will 
work as in the previous version. An old management client will not send the new data.
Balazs

Ladislav Lhotka wrote:
>>
>>> Hmm, what could be the compatible changes, apart from correcting typos
>>> in descriptions etc.? I guess even changing a single default value
>>> renders the data model incompatible.
>> Yes, changing defaults is incompatible.  If you do that, you have to
>> change the namespace.
>>
>> But there are many common compatible changes you can do, the simplest
>> is to add new optional data.
> 
> This means that a client that uses a new revision could send data that
> the server doesn't know about. I don't think it's acceptable.
> 
> Lada
> 

-- 
Balazs Lengyel                       Ericsson Hungary Ltd.
TSP System Manager
ECN: 831 7320                        Fax: +36 1 4377792
Tel: +36-1-437-7320     email: Balazs.Lengyel@ericsson.com

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