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Re: DateAndTimeOrNull
On Tue, Mar 01, 2005 at 07:23:45PM +0200, Romascanu, Dan (Dan) wrote:
> One of the MIB modules in the Ethernet Interfaces and Hub MIB WG
> needs to use a TC that extends DateAndTime TC to DateAndTimeOrNull.
> Beyond the RFC 2579 functionality, null would be filled in whenever
> a clock is not available to the agent to provide DateAndTime information.
>
> We believe that there may be a broader usage for such a TC beyond other WG.
>
> I found some traces of a previous discussion - did it ever result in
> defining such a TC some place?
DateAndTime just works fine. It has been used quite a bit in MIBs to
represent a NULL value and a clarification on this has been posted
after quite some discussion as an errata to RFC 2579 which legalizes
the usage of a value which entirely consists of zeros as a NULL value.
/js
--
Juergen Schoenwaelder International University Bremen
<http://www.eecs.iu-bremen.de/> P.O. Box 750 561, 28725 Bremen, Germany