A server in a client/server computing system where a distributed transaction is being carried out, has: a server resource having local data associated therewith; a software element for receiving a registration request from the server resource requesting that the server resource be registered in a transaction,...http://www.google.com.hk/patents/US6038589?utm_source=gb-gplus-share專利 US6038589 - Apparatus, method and computer program product for client/server computing with a transaction representation located on each transactionally involved server