DELTAV Web Versioning and Configuration Management Working Group

DELTA-V Web Versioning and Configuration Management Working Group Jim Amsden

Charter l Enable distributed Web authoring tools to perform – Versioning – Parallel Development – Configuration Management l Put the “V” back in Web. DAV l Represents an expansion of the original goals to support scaling across users and content

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

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

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

In Scope: l Creating versioned resources l Naming and accessing revisions and configurations l Mapping revisions to the URL namespace l Creating new revisions l Parallel development l History retrieval

In Scope (cont. -) l Merging of revisions and configurations l Differencing l Operations on configurations l Versioning support for down-level HTTP and Web. DAV clients

Not in Scope: l l l HTTP server-to-server communication protocols Workflow, process and change request management Versioning and configuration management by non-HTTP and Web. DAV protocols Implementation of functionality by nonorigin proxies replication and disconnected work

Deliverables l Goals for Web Versioning l Web Versioning Model l Versioning Extensions to Web. DAV l Web. DAV Versioning Traceability

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

Further Information l Chair: TBD l Applications Area Director(s): Keith Moore and Patrik Faltstorm l Applications Area Advisor: TBD l Mailing list: ietf-dav-versioning@w 3. org