RE: re: Signaling MIB - Draft 3 - Last Call - Default values

"David De Reu" <[email protected]>
Newsgroups gmane.ietf.ipcdn
Message-ID <[email protected]>
> >- pktcSigDevStandardRingCadence, pktcSigDevRingSplashCadence
> >"A default value MUST be provided, but it is left up to the
> implementation to choose a reasonable default." -
> It seems to me that having a requirement of this nature in the
> MIB is not meaningful. Also, I don't see how "reasonable" can be
> tested.

Well, about anything that is not plain silence could be considered
reasonable :-)

> An arbitrary value is not meaningful. Instead, how about
> "The default value for this object is as specified in the "L"
> package as defined in the PacketCable NCS specification".

Fine with me. In that case however, I would make the default value
explicitly clear using a DEFVAL clause.

> >- pktcSigDevToneTable
> >"The MTA device MUST make sure that, after the provisioning
> cycle, the table is fully populated (i.e. for each possible
> index, an entry MUST be defined) using reasonable defaults for
> each row that was not defined by the provisioning information."
>
> This statement is not necessary. By utilizing the DEFVAL clause
> an initial value for each parameter associated with a row can be
> established.

I agree with the DEFVAL clause approach, but don't we still need to make
sure that every row is present in the table?

> The DEFVAL approach would also minimize any operator configurations.

Agreed.

> >- pktcSigDevRingCadenceTable
> >"The MTA device is allowed to provide appropriate default values
> for each of the ring cadences."
> How about:
>
> "The MTA is allowed to predefine the ring cadence for one or more
> rows in the pktcSigDevRingCadenceTable."

Agreed.


David

_____________________________________________________
David De Reu
tComLabs
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www.tComLabs.com
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