VOSpace Brainstorm Meeting

• WilliamOMullane, GuyRixon, KeithNoddle, Dave Morris, NoelWinstanley, TonyLinde

• RoyWilliams, JohnGood, MatthewGraham

Presentations

• MySpace structure & scenarios (Dave Morris): FileStore.html, FileManager.html

Notes

Dave's FileStore presn

• in Export: MIME type allowed for data conversion (eg FITS to jpeg)
  • as yet no negotiation
• question of about how dumb is the VOStore
  • contains metadata per item but does not interpret them
  • but must do so to implement security
• MyDB vs MySpace:
  • MySpace returns exact file put in
  • MyDB will translate into database and back again
  • so need to include flag that says 'store exactly'
• VOSpace vs VOStore
  • Wil: implement only VOStore first
  • AG: FileStore is dumb and FileManager has all intelligence (incl who owns items)
• coffee discussion
  • need layer above FileStore to implement security
  • VOBroker
  • but AG could just plug this into its FileStore --> VOStore

Dave's FileManager presn

• do we want to introduce replica management into the spec at this stage
• for now, AG only implements http protocol for filestore
  • but could implement other protocols
• need to define minimum set of protocols
• if http, need to ensure security
• need protocol negotiation
  • minimum:
    • SOAP with DIME attachment,
    • HTTP
      • needs to allow security
• VOSpace will support N protocols
  • will address many underlying filestores
  • client agent can state which protocol it wants to use
  • VOSpace will only pass back stores which support that protocol

Guy's Security presn

Arguments

• whether we need transformation (RESOLVED with VOStore capabilities)
  • mandatory if you are putting from file to database
  • metadata must indicate capabilities of store

Agreements

• still only need VOSpace and VOStore protocol levels
  • VOStore is higher level than AG FileStore
• VOStore will advertise its capabilities
  • eg ability to return data in given format
    • AG filestore (currently) will only return in format uploaded
      • AG will extend filestore to support VOStore
    • MyDB will allow return in VOTable, CSV, FITS

Action list

• Dave: update VOStore doc with new methods
  • synch/asynch
  • init & data

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