index is maintained by Mandrake - best if few mirors

Participants Bernd Amann, Boris Vrdoljak, Dan Vodislav, Radu POP, Serge Abiteboul.

Topics

Architectures

Architecture 1: Hierarchical (improve the existing)

Architecture 2: have a real VersionManagement? (VM)

VMIndex

• anyone can tell the index that it has some object
• anyone can ask the index who has some object
• then you load the object directly from who has it

index is maintained by Mandrake - best if few mirors

2 index is in DHT - best if thousands of sites may decide to be

• object is probably a package?
• index & level: when some persons query the index, they may not see Cooker and Level1 servers.

VMTool

• when you load the document, this automatically updates the index
• when you delete it, as well
• when read fails, as well

Push/pull

• you can subscribe to certain query such as (New Pack2345)
• you may request to be notified or that objects are pushed to you SiteDefinition: a description of your content and subscriptions (AXML-like)
• SiteDefinition may be used to select best server for a client

Feeding of the repository

• this is achieved at least when there is a new release
• Level1 servers are in Push mode - updated automatically
• Others get notified

<axml name="serge">

  <package id=234><sc subscribeto="phil"> YES </package> 
  <package id=233> YES </package> 
  <package id=232> <sc once a year> YES </package>

P2P system:

• number of peers: just the actual server or anyone in the community (the problem of trust)
• unit of data (naming) -> probably the package
• feeding the system
• replication

Topics WP4?

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