Re: if mapping
dsiinc!rem@uunet.uu.net Fri, 19 February 1993 16:04 UTC
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Subject: Re: if mapping
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[Anil writes:] > I agree with your argument for removing numbering restrictions > on indices. There is another reason to remove the 1-N restriction from the resource indices. In the previous draft, we attempted to align the SMT indices with the SNMP indices. As Sal mentioned, there are no restrictions of 1-N for SMT, so this would not have accomplished the 1-to-1 mapping like we envisioned. Additionally, if the station had multiple SMT instances, the 1-to-1 mapping would have been almost impossible. Removing the 1-N restriction allows representation of the following configurations: SMT 1 MAC 1 SMT 1 MAC 17 SMT 2 MAC 1 >[Sal writes:] >> One last point - this about ghosts. Given a ghost resource, in SNMP it >> seems improper to be able to retreive some variables and skip others that >> have "gone away" because of ghosthood. It also appears to be improper to >> assign "default" values to these shadow variables - although I think a good >> case could be made for this type of operation. The most "correct" method, > [Anil writes:] > <groan> looks like this issue's back to haunt us.. here's another > exorcism attempt.. I don't really care which way we decide to resolve this, as long as everyone agrees to it consistently. However, I have always worked with the assumption that "partially implemented" tables or making up fake values to complete tables were bad things. If these things are common in SNMP, why did we take the time and effort to move the optional MAC counters to a separate table and also remove all the optional SMT variables from the MIB? > ps: nice to see some life on this list.. if we're not careful we'll > get this mib done yet :-) Wouldn't that be nice? Ron Mackey Distributed Systems International, Inc. rem@dsiinc.com 531 W. Roosevelt Road, Suite 2 708-665-4639 Wheaton, IL 60187-5057
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