RE: Review comments on draft-ietf-bridge-bridgemib-s miv2-07.txt

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]]On
> Behalf Of C. M. Heard
> Sent: Friday, December 31, 2004 19:49
> To: [email protected]
> Subject: RE: [Bridge-mib] Review comments on
> draft-ietf-bridge-bridgemib-smiv2-07.txt
> 
> 
> On Thu, 30 Dec 2004, David B Harrington wrote:
> > For the SMI experts amongst us, can we legally register the
> > MODULE-IDENTITY in the following way?
> > 
> > dot1dBridge MODULE-IDENTITY
> > 	...
> > 	::= { mib-2 17 }
> > 
> > RFC1493 registered dot1dbridge using "dot1dbridge OBJECT IDENTIFIER

I think Dave meant "dot1dBridge"  (i.e. capital B) in the above

> > ::= { mib-2 17 }"
> > Juergen pointed out that the SMIv2-to-SMIv1 translation of a
> > MODULE-IDENTITY is simply an OID, so this might be legal.
> 

Seems fine to me too.

Bert
> This is legal.  The effect is to associate a registration, as well as
> an OID value, with the descriptor dot1dBridge, but the semantics
> remain unchanged, and any MIB module that imports the descriptor will
> continue to compile, and all subordinate OIDs will resolve to the same
> value as before.  Note that RFC 2578 Section 3.6 explicitly allows the
> same descriptor to be associated with a registration and an 
> assignment:
> 
>    A descriptor is allowed to be associated with both a registration and
>    an assignment, providing both are associated with the same OBJECT
>    IDENTIFIER value and semantics.
> 
> For some precedents, the following definition in RFC 1406
> 
>    ds1 OBJECT IDENTIFIER ::= { transmission 18 }
> 
> has been translated to
> 
>    ds1 MODULE-IDENTITY
>    ...
>    ::= { transmission 18 }
> 
> in RFCs 2495 and 3895 and the following definition in RFC 1407
> 
>    ds3  OBJECT IDENTIFIER ::= { transmission 30 }
> 
> has been translated to
> 
>    ds3 MODULE-IDENTITY
>    ...
>    ::= { transmission 30 }
> 
> in RFCs 2496 and 3896.
> 
> > If we can do this, it would move the mib up under mib-2, 
> and eliminate
> > the forward reference (issue #757). 
> > It would also place the object and notification subtrees under the
> > dot1dBridge MODULE-IDENTITY, approximating the recommended practices
> > from draft-ietf-ops-mib-review-guidelines Suggested OID layout. 
> 
> All of these sound to me like Good Things.
> 
> Mike Heard
> 
> 
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