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Cosmos Architecture Meeting 22-Aug-07

Revision as of 15:38, 22 August 2007 by (Talk | contribs) (Discussion)

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  • Dave Whiteman
  • Ali Mehregani
  • Don Ebright
  • Mark Weitzel
  • Joel Hawkins
  • Sheldon Lee-Loy
  • Balan Subramanian
  • Martin Simmonds
  • Bill Muldoon
  • Paul Stratton
  • Mau
  • Steve Jerman
  • Chris Craddock


The meeting time/date has been moved to Thursday's at 11:00am EDT. The next meeting will be August 30, 11:00am EDT.


Continued discussion on the design of the data broker.

  • We need to have a speparate discussion involving how CMDBf affects the design.
  • Need to review the attached code from Bill.
  • Don:
    • We need to understand how/if the broker must understand the relationship b/t the CIs and the MDRs.
    • The current design does not support having lots of endpoints (mdw: need to request clarification)
  • Martin:
    • CMDBf sits above the data broker.
  • Joel:
    • We don't have instance data in the broker
    • Joel would like this, but nobody else really did
  • Don:
    • There is an opaque string that may be used to help this.
    • The lack of instance data satisfies a use case of small set of endpoints, but a large number of endpoints could become unweildy
  • Chris:
    • We need to stop looking at things from a "product" perspective. The key idea of the broker is to avoid falling into this siloed view. Must be able to avoid this siloed view of things.
    • Identity not in scope for COSMOS, but "logical groupings" of resources should be ok.


  • Since the CMDBf has a graph oriented result, we'd expect to be able to ask graph type questions. This means we may need more metadata in the broker.
  • Patterns for finding EPRs is more pattern matching than anything else.
  • This opaque string is essentially an extension point.

  • Bill: Update the wiki page with use of the "classification" element.
  • Mark: Need to describe the question about data manager/data context...

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