RE: Old OIDs

> From: [email protected] 
> [mailto:[email protected]] On 
> Behalf Of Jelena Savic
> Sent: Thursday, April 10, 2008 9:05 AM

> What is the difference between obsolete and deprecated status 
> in the Mib?
> Which do you use when?

	In a nutshell, "deprecated" means "It still works, but you shouldn't use it if possible.  Change your systems to stop using it before it is obsolete," and "obsolete" means "It doesn't work at all anymore".  I believe for MIBs, "obsolete" also means "do not implement".

> Also what if you want to delete some of the valuse of 
> objects, is there a method of making them obsolete,
> or do you just remove them?

	Pedantically, we are talking about the objects, not their values.  The path to nonexistence will be decided by the MIB owner, generally based on support considerations.  If she has customers that she likes who use the object in question, deprecation, along with an upgrade path to the newer, better object structure is the path she will take.  If he doesn't know of any userbase, and/or if the cost of losing the object is low enough, he may just obsolete the object.  There are cases, especially in the development cycle, where obsolescence can be used to make a "brick wall", ensuring all systems are upgraded (this trick only tends to work well when all parties agree to it in advance).


	HTH,

Mike

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