RE: [OPSAWG] [nmrg] draft-irtf-nmrg-snmp-measure-04.txt oidxmlpattern change
"Natale, Bob" <RNATALE@mitre.org> Fri, 16 May 2008 14:28 UTC
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Subject: RE: [OPSAWG] [nmrg] draft-irtf-nmrg-snmp-measure-04.txt oidxmlpattern change
Date: Fri, 16 May 2008 10:27:05 -0400
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From: "Natale, Bob" <RNATALE@mitre.org>
To: David Harrington <ietfdbh@comcast.net>, j.schoenwaelder@jacobs-university.de, Bert Wijnen <bertietf@bwijnen.net>
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Hi David, You are right about the fidelity basis for SNMP to ASN.1/BER, but I don't think the version diffs come into play on this point. The rule for BER encoding of the first two sub-ids (X and Y) probably always has boiled down to "(X*40)+Y" -- which was expressed as far back as Steedman's book as "40m + n", where (p. 93) he says: "This saves an octet from every value, exploiting the fact that 0 <= m <= 2, and that, except possibly for m = 2 (joint-iso-ccitt), n is a very small number." Ahhh, the good old days! :) There is a registered value for 2.41 (ITU-T Rec. X.1083 | ISO/IEC 24708: BioAPI Interworking Protocol (BIP)), approved in Sep-2007, which requires Juergen's correction...and one could imagine that it could need to be carried in an SNMP varbind. Cheers, BobN -----Original Message----- From: opsawg-bounces@ietf.org [mailto:opsawg-bounces@ietf.org] On Behalf Of David Harrington Sent: Friday, May 16, 2008 10:14 AM To: Natale, Bob; j.schoenwaelder@jacobs-university.de; 'Bert Wijnen' Cc: opsawg@ietf.org; nmrg@ibr.cs.tu-bs.de Subject: Re: [OPSAWG] [nmrg] draft-irtf-nmrg-snmp-measure-04.txt oidxmlpattern change Hi, SMIv2 is based on ASN.1-1988 not ASN.1-2002. XSDMI should maintain fidelity to SMIv2. I would think the snmp-measure document should do so also. We should be liberal in what we accept, and conservative in what we send, of course. I think XSDMI should enforce the 1988 syntax, since one expected use case is validation; it probably will make no difference to the snmp-research document, whose use case is reporting. In practice, I have never seen a 2.X in any SMIv2 MIB module. dbh > -----Original Message----- > From: opsawg-bounces@ietf.org > [mailto:opsawg-bounces@ietf.org] On Behalf Of Natale, Bob > Sent: Friday, May 16, 2008 9:48 AM > To: j.schoenwaelder@jacobs-university.de; Bert Wijnen > Cc: opsawg@ietf.org; nmrg@ibr.cs.tu-bs.de > Subject: Re: [OPSAWG] [nmrg] > draft-irtf-nmrg-snmp-measure-04.txt oid xmlpattern change > > Hi, > > Juergen is correct (per Sec. 8.19 of ITU-T Recommendation X.690, > prepared by ITU-T Study Group 17 and approved on 14 July 2002, > identical text is also published as ISO/IEC 8825-1). > > draft-ietf-opsawg-smi-datatypes-in-xsd-02.txt (to be posted any day > now!) will contain the fix Juergen provides below. > > Cheers, > BobN > > -----Original Message----- > From: nmrg-bounces@ibr.cs.tu-bs.de > [mailto:nmrg-bounces@ibr.cs.tu-bs.de] On Behalf Of Juergen > Schoenwaelder > Sent: Friday, May 16, 2008 8:27 AM > To: nmrg@ibr.cs.tu-bs.de; Bert Wijnen > Subject: [nmrg] draft-irtf-nmrg-snmp-measure-04.txt oid xml pattern > change > > Hi, > > there was recently a discussion on the XSD pattern for object > identifier values and it was pointed out that the pattern we picked up > from the SMI-XSD document is too restrictive by not allowing OIDs of > the format 2.X.* where X is larger than 39. I therefore propose that > we change the pattern used by oid.type from > > "[0-2](\.[1-3]?[0-9])(\.(0|([1-9]\d*))){0,126}" > > to > > "([0-1](\.[1-3]?[0-9]))|(2.(0|([1-9]\d*)))" ~ > "(\.(0|([1-9]\d*))){0,126}" > > Any objections against this change which is really a bugfix? Bert, do > we run into procedural trouble if we fix this or an additional N weeks > delay? (In that case, I would be tempted to go along with the buggy > version of the pattern. ;-) > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1, 28759 Bremen, Germany > Fax: +49 421 200 3103 <http://www.jacobs-university.de/> > -- > !! This message is brought to you via the `nmrg' mailing list. > !! Please do not reply to this message to unsubscribe. To unsubscribe > or adjust > !! your settings, send a mail message to > <nmrg-request@ibr.cs.tu-bs.de> > !! or look at https://mail.ibr.cs.tu-bs.de/mailman/listinfo/nmrg. > _______________________________________________ > OPSAWG mailing list > OPSAWG@ietf.org > https://www.ietf.org/mailman/listinfo/opsawg > _______________________________________________ OPSAWG mailing list OPSAWG@ietf.org https://www.ietf.org/mailman/listinfo/opsawg
- RE: [OPSAWG] [nmrg] draft-irtf-nmrg-snmp-measure-… Natale, Bob
- RE: [OPSAWG] [nmrg] draft-irtf-nmrg-snmp-measure-… David Harrington
- RE: [nmrg] draft-irtf-nmrg-snmp-measure-04.txt oi… Natale, Bob
- [nmrg] draft-irtf-nmrg-snmp-measure-04.txt oid xm… Juergen Schoenwaelder