Re: XML versus SOAP/WSDL Performance

["David T. Perkins" <dperkins@dsperkins.com>]

HI,

In your message, you make statements that say that using XML is
good, but provide no reasons. Would it be possible for you to
describe why you believe that:
1) using XML improves the way that data is collected
2) hierarchical representation is better mated to data in the
   network element than SMI's relational model (that you call
   a flattened model)
3) Management paths that do not do this flattening will be simpler,
   more robust, and more powerful.

Also, would you provide more description about the following:
"In fact, I have had experience with management systems in
 which (symbolic) SNMP object names have been adopted within
 the internal object trees that represent the managed systems.
 I expect this is not uncommon and would like to hear from others 
 who have seen this done."
Do you mean that the identifiers that you use for variables in your
C program, or the class names and attribute names in your OO programs
are using the descriptors from SNMP MIB definitions? Do you mean that
the management applications are using the management models from
the MIB modules directly instead of carefully creating the management
models that work well for the functions of the application?

Some of believe that the management model found in the MIB modules
should in many cases be quite different from that found in management
applications and it would be a step backwards to have MIB modules
reflect the management model in management apps. Instead, they should
reflect the management model in the managed device, with just enough
abstraction so that the model will easily to most devices developed
by different vendors.

What is your reaction to the above?

Regards,
/david t. perkins


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