The Technology Of Promotion Current Desktop Application Based On Private Cloud Platform

The great progress of the technology in manufacturing information has been made,especially the underlying core technology, has made PDM (product data management),CAPP (computer-aided process planning) more and more mature. Because of the sealingproperty of current information system architecture, the cooperative work of the applicationsoftware is not succeeded. However private cloud platform following cloud computing is agood solution to this problem.Depending on the framework of cloud computing and the reuse of current applicationsoftware, the paper implements the promotion of traditional application software to aprivate cloud platform. The system will be supported by a five-layer model; the five layersare client access layer, client agent layer, cloud services scheduling layer, cloud servicesresponse layer and cloud services resources layer. Cloud services scheduling layer can actas a relay services, events hub or buffers hub.The paper elaborates client data cache technology, publish-subscribe service andsession management about client agent layer, cloud services scheduling layer and cloudservices response layer. Client data cache object exists as a middleware in the client agentlayer. Not only, the needed data can be cached, but also the data can be executed DML (datamanipulation language). Application services can be published and subscribed in eventshub with publish-subscribe service. That makes loose coupling between application serviceand platform a reality. In order to process transaction, the client request is divided into twocategories, request with transaction or request without transaction. Platform can respondthose requests by per-call services or singleton services.