Li Fan, Pei Cao and Jussara Almeida & Andrei Z. Broder - this new protocol, each proxy keeps a summary of the cache directory of each participating proxy, and checks these summaries for potential hits before sending any queries.
explores the challenges of constructing a distributed e-business architecture based on the concept of Request Based Virtual OrganiZation (RBVO) and presents a solution based on ebXML, Open Source e-business component