DELTA-V Web Versioning and Configuration Management Working Group

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DELTA-VWeb Versioning and Configuration
Management Working Group

• Jim Amsden

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Charter

• Enable distributed Web authoring tools to perform
• Versioning
• Parallel Development
• Configuration Management
• Put the V back in WebDAV
• Represents an expansion of the original goals to
  support scaling across users and content

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Versioning

• Tracking multiple revisions
• Maintaining predecessor/successor relationships
• Accessing version history
• Based on a checkout/checkin metaphor for managing
  potential update conflicts

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Parallel Development

• Increases resource availability
• Allows multiple changes to the same revision at
  the same time
• Uses merging to reconcile parallel updates
• Necessary for multi-user, distributed environments

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Configuration Management

• Supports tracking and accessing multiple
  interrelated resources over time
• Recognizes complex relationships between Web
  resources
• Provides a way to specify and manipulate related
  resources as a set

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In Scope

• Creating versioned resources
• Naming and accessing revisions and configurations
• Mapping revisions to the URL namespace
• Creating new revisions
• Parallel development
• History retrieval

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In Scope (cont.-)

• Merging of revisions and configurations
• Differencing
• Operations on configurations
• Versioning support for down-level HTTP and WebDAV
  clients

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Not in Scope

• HTTP server-to-server communication protocols
• Workflow, process and change request management
• Versioning and configuration management by
  non-HTTP and WebDAV protocols
• Implementation of functionality by non-origin
  proxies
• replication and disconnected work

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Deliverables

• Goals for Web Versioning
• Web Versioning Model
• Versioning Extensions to WebDAV
• WebDAV Versioning Traceability

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Goals and Milestones

• Jun 99 - drafts of goals, model, and protocol
  extensions available
• Oct 99 - submit Internet Drafts of model and
  protocol extensions
• Apr 00 - last call on all deliverables
• May 00 - Submit to IESG for approval

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Further Information

• Chair TBD
• Applications Area Director(s) Keith Moore and
  Patrik Faltstorm
• Applications Area Advisor TBD
• Mailing list ietf-dav-versioning_at_w3.org