W3Objects Referencing Model

• Aims
  • to provide referential integrity
  • to provide migration transparency
  • to provide flexible mechanisms to support differing object requirements
• Integration of referencing techniques
  • all W3Objects support forward referencing with chain short-cutting
  • cheapest guarantee of referential integrity
  • per reference customisation for fault-tolerance or performance
• Prototype implementation built using Shadows
• Deployed within W3Objects servers
  • guarantees integrity of links between W3Objects