As I understand it, if a model requires ephemeral elements, and the
agent does not support ephemeral, then the agent can not claim to
support the model.
Yes, deviations allow you to specify this, as Andy says. But this is
specifying a failure to conform.
I would go far as to say that such an agent is not an I2RS agent, but
that is a step beyond the NetConf compliance definitions.
Yours,
Joel
On 5/9/16 6:09 PM, Susan Hares wrote:
Andy and Joel:
These are good points.
What happens if the data model has some ephemeral sections and the I2RS
agent is not supported by the routing system. The data model would
specify the ephemeral section, but there would be no support by i2rs.
Is the support of the ephemeral not a variable condition to be
indicated in Yang module library?
Sue
Sent via the Samsung Galaxy Note5, an AT&T 4G LTE smartphone
-------- Original message --------
From: Andy Bierman <[email protected]>
Date: 5/7/2016 12:53 PM (GMT-05:00)
To: "Joel M. Halpern" <[email protected]>
Cc: [email protected], Netconf <[email protected]>, Susan Hares
<[email protected]>
Subject: Re: [i2rs] FW: New Version Notification for
draft-hares-i2rs-protocol-strawman-02.txt - 3.1.1
On Fri, May 6, 2016 at 8:51 AM, Joel M. Halpern <[email protected]
<mailto:[email protected]>> wrote:
Reading the latest revision, in section 3.1.1, the text in bullet 5
says that the data model indicates which portions are ephemeral.
That makes sense to me.
Then bullet 6 says that the management protocol needs to signal (in
its yang library) which parts are ephemeral.
Why the second requirement? If the data model is supported, and the
data model states that certain items are ephemeral, what would it
mean if the signaling did not also say that. Conversely, what would
it mean if the signaling said something was ephemeral that the model
does not define as ephemeral?
It may be that I am misreading bullet 6. Please explain.
I think you are correct that the YANG library does not need any changes
to identify ephemeral data. Only the variable components of
YANG conformance are contained in the library.
Thank you,
Joel
Andy
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