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Management Considerations Sharon Chisholm [email protected]

Management Considerations Sharon Chisholm [email protected]

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Page 1: Management Considerations Sharon Chisholm schishol@nortel.com

Management Considerations

Sharon Chisholm

[email protected]

Page 2: Management Considerations Sharon Chisholm schishol@nortel.com

Outline

Problem Statement Relevant Inputs Content of a Management Considerations

document Format of a Management Considerations

document

Page 3: Management Considerations Sharon Chisholm schishol@nortel.com

Problem Statement

Looking at better ways to develop and review SNMP MIBs

Not enough consideration given to management considerations during protocol development

Mapping to protocols other then SNMP

Page 4: Management Considerations Sharon Chisholm schishol@nortel.com

Relevant Inputs

draft-farrel-rtg-manageability-requirements-01.txt defines requirements for the inclusion of Manageablity

Considerations sections in all Internet-Drafts produced within the Routing Area

Mandatory Topics Control of Function and Policy Information and Data Models, e.g. MIB module Liveness Detection and Monitoring Verifying Correct Operation Requirements on Other Protocols and Functional

Components Impact on Network Operation

Page 5: Management Considerations Sharon Chisholm schishol@nortel.com

Relevant Inputs

MIB Doctor Meeting @ IETF 65 idea that instead of getting non-experts to write MIBs

and then put lots of resources in reviewing them, it could make more sense to have working groups document knobs and buttons required to management their technology and have the experts write the MIBs

General industry trend towards defining management information in a format that can then be mapped into flavour of the month protocol solutions.

Page 6: Management Considerations Sharon Chisholm schishol@nortel.com

Content of a Management Considerations Document Example use cases

How to tell if things are running well/badly How to set-up How to modify (Section 3 of the Farrel drafts has some interesting input here)

Understanding of information to be manipulated List of things that need to be configured List of status that should be reported and/or changeable List of statistics that should be reported Understanding of how this relates to other parts of the system Definition of uniqueness (hint for index/keys)

What else?

Page 7: Management Considerations Sharon Chisholm schishol@nortel.com

Format for Management Considerations Document Management Protocol-neutral Plain text, instead of trying to figure out how to encode

UML in ASCII Data items can provide numeric and mnemonic values

and data type suggestions, but it should be acceptable to map these into something more appropriate for a particular protocol.

Well-written textual descriptions of the data items Similar to what is in Farrel, section X.2, but a bit more

detailed.

Page 8: Management Considerations Sharon Chisholm schishol@nortel.com

Discussion Points

Section within a technology specification or separate document? Inline makes protocol designers thinkWill the document become too large?

Does the management area still review this section like we did with MIBs?Will this sort of review be easier?

Page 9: Management Considerations Sharon Chisholm schishol@nortel.com

Backup

Page 10: Management Considerations Sharon Chisholm schishol@nortel.com

Current Method of working

Technology Working Group

New Technology

New Technology MIB

Management Area Expert Review to ensure correct syntax, etc

Publish SNMP MIB RFC

ProprietaryCLI

Other Protocols

Page 11: Management Considerations Sharon Chisholm schishol@nortel.com

Proposed Method of Working

Technology Working Group

New Technology

Management Considerations

Publish XSD RFC

ProprietaryCLI

Other Protocols

Management Area

New Technology MIB

New Technology XSD

Publish SNMP MIB RFC