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Using XML Schema to define NETCONF Content

Using XML Schema to define NETCONF Content. Sharon Chisholm schishol@nortel.com December 2007 IETF 70. Background. Draft created to capture offline discussions about requirements and potential solutions for how to define NETCONF content Current Version

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Using XML Schema to define NETCONF Content

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  1. Using XML Schema to define NETCONF Content Sharon Chisholm schishol@nortel.com December 2007 IETF 70

  2. Background • Draft created to capture offline discussions about requirements and potential solutions for how to define NETCONF content • Current Version • http://www.ietf.org/internet-drafts/draft-chisholm-netconf-model-07.txt

  3. The approach • Requirements • Solution to define content to be exchanged between NETCONF client and NETCONF server. • Similar to what we required to define standard MIBs • Minus some things that don’t seem necessary anymore • Plus some additional meta data • Uses XML Schema, plus defines appInfo tags to fill in gaps • Enables use of abundant off the shelf tools • Allowed us to get started right away

  4. Areas of Requirements • Conformance • Fine Grain Conformance • Operations on managed objects . • Element Status • Additional Conformance Information • Backwards Compatibility • Versioning • Keys • Defining Relationships • Association Relationship • Defining Notification Event Messages • Considerations for Parse-ability • Well-formed XML • Naming • Error Messages • Schema Documentation • Specifying Statistics, Status and Configuration Information

  5. Modeling Considerations • Modularity • Data Types • Elements and Attributes • Naming implications of using XPATH • Proper Tag Names • Granularity of Data Model • Avoid Mixed Content

  6. Updates in -07 • Explained a few more benefits of the approach • Updated notification definition to align with Notification ID • Cleaned up examples to be more consistent and correct • Deleted the section which outlined specific NETCONF operations against the data model since it didn't seem to have much to do with this document. • General cleanup • Added an appendix talking about the potential for a mapping to Yang

  7. Requirements This list is not complete, but demonstrative of the analysis we should probably do

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