基于Web的分布式工作流管理系统的事务模型研究-计算机系统结构专业论文.docxVIP

重庆大学硕士学位论文 重庆大学硕士学位论文 英文摘凄 ABSTRACT 拍e application of computer in enterprises steps into inter-enterprise integration， and cross-organizational distributed workflow management technology is needed． Obviously the legacy CORBA based distributed WtMS could not satisfy the need，for it’S hard for the Intemet ORB protocol IIOP to penetrate the enterprise 1evel firewall．So it’S impossible to be a universal electric cooperation mechanism。Therefore IBM treats SOAP as open standard，and regards UDDI instead of IIOP aS the correct method to gain interoperability．Besides，with regard to security,transaction，real-time dynamic performance，platform neutrality,openness，flexibility，portability，web based cross— organizational WIMS bares unique superiority,once it’S used practically,it will be up to every layer of the WfMS秘pplication．T甄is paper proposes舱搬弧v踌Service based workflow management，which is advanced in loose-couple,low cost，hi曲integration ability and well suited to the need ofmodem enterprise development。 At the salne time of our research and design，it suggests that contemporary workflow transaction models，including those in existing business oriental WfMS，are not capable ofperfectly ensuring the consistency。correctness and reliabili够．We always bog down both in the exploitation of Chongqing Highway information marlagement system，and in the execution process of ERP system Chongqing ABB transformer Co．． This quagmire is ubiquitous．These days，there’S no practical and reliable solution suitable among the hundreds sorts ofbusiness WfMS provided by Microsoft，iBM，SAP， BAAN and FUJITSU etc．．The reason of this phenomenon is that in the field of workflow transaction，we need a theory system similar to that of the transaction processing ofdatabase+Therefore，the research work ofthis thesis is a real chNlenge of great importance and urgency．We present the Double-Layer Orthogonal Transacti