Research And Application On The Distribute Application System Based On ESB

With the development of the network technology and enterprise IT application, Distributed Application System (DAS) is playing a pivotal role increasingly. People distribute in different geographical regions could work together through network share the information across time and space, work efficiency have been improved greatly. However, it leads to the scale and complexity of the distributed applications increasing greatly. In order to deal with the problem, IT industry put forward Service-Oriented Architecture(SOA), Enterprise Service Bus (ESB) not only the core of SOA and the key of generalized enterprise implementation of DAS, This thesis hopes to achieve distributed applications of service-oriented computing environment with dynamic and flexible based on research on the ESB to overcome the shortcomings of the traditional architecture of the distributed application system.This thesis firstly describes the concept of distributed application system, which compared and analyzed the traditional architecture of the distributed application system, summarizes the mainstream technology of implementing the distributed application system. Then this thesis introduced the basic concept,the lamination model,the principle of design and the key technologies, which are facing the service-oriented system. It also elaborated the definition,chief feature,functional model, topology model and concrete application domain of the enterprise service bus.This thesis designeds a logical architecture model ESB-DAS based on research on the ESB, which descrips main modules of the model, analyzed work principle of the ESB-DAS and its advantages.Finally the thesis developes a core technical framework using ESB-DAS, designes and implementes "Heavy-oil Information Service Platform (HISP)" based on the framework, then designes and implementes a security model based on the framework of the platform, improves the safety of the platform. As a matter of fact, the way of building distributed application system based on ESB is advanced and workable.