Re: [NGO] Diff-Serv datamodel for discussion startpoint

[OKITA Hideki <hideki.okita.pf at hitachi.com>]

Dear Lhotka,


Thank you for your effort aginst RelaxNG.  It is a good meterial
to draw a comparison.

At the OPS are meeting in Wednesday, Iijima-san will talk about 
operators/developers' viewpoint to the NETCONF architecture along
this subject. 



> I fixed one minor thing that IMO is not correct in the XSD schema  - if
> the SrcPrefixLength and DstPrefixLength elements (in classifierUnit) are
> specified, then the respective SrcAddress nad DstAddress must also be
> present.

Does it mean that a Src/DstPrefixLength element should be subordinate
to a Src/DstAddress element in a <classifierUnit> element to avoid
independent appearance of a Src/DstPrefixLength element?  If so,
I can agree with you.

However, it is good to change the expression about IP address
to follow the Andy's ipAddress module. The present expression follows
the "DiffServMultiFieldClfrEntry" object defined in the Diff-Serv MIB.
For such basic data types, IMHO, we do not need to follow SMI-style.


Regards,

Hideki Okita


From: Ladislav Lhotka <lhotka at cesnet.cz>
Subject: Re: [NGO] Diff-Serv datamodel for discussion startpoint
Date: Tue, 20 Mar 2007 13:47:04 +0100

> Hi,
> 
> attached are three forms of the RELAX NG schema equivalent to Hideki's
> diffserv data model:
> 1. XML form - diffserv.rng
> 2. Compact form - diffserv.rnc, transformed from diffserv.rng by trang
> 3. Cross-linked HTML - diffserv.html, obtained directly 
>    from diffserv.rng by a XSLT script that I wrote. This annotation 
>    system uses the <a:rest> elements embedded in the schema (it is 
>    documented in this technical report: 
>    http://www.cesnet.cz/doc/techzpravy/2006/rngrest/)
> 
> I fixed one minor thing that IMO is not correct in the XSD schema  - if
> the SrcPrefixLength and DstPrefixLength elements (in classifierUnit) are
> specified, then the respective SrcAddress nad DstAddress must also be
> present.
> 
> Another example of a real-world RELAX NG schema intended for netconf is
> here:
> http://www.flowmon.org/flowmon-probe/devel/config/flowmon-rng/
> 
> Lada 
> 
> OKITA Hideki píše v Po 19. 03. 2007 v 00:19 +0900: 
> > Dear NGO members,
> > 
> > 
> >   I wrote a draft for the startpoint of NETCONF datamodel discussion.
> > 
> > 	Title		: A NETCONF Datamodel for Diff-Serv QoS Control Configuration
> > 	Author(s)	: H. Okita, T. Iijima and Y. Atarashi
> > 	Filename	: draft-okita-ngo-diffservdatamodel-00.txt
> > 	Pages		: 22
> > 	Date		: 2007-2-27
> 
> -- 
> Ladislav Lhotka, CESNET
> PGP Key ID: E74E8C0C

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