The Design And Implementation Of Emergency Communications Network Instant Messaging Server

As the global terrorist attacks, natural disasters of public emergency occurs, such as emergency response action more and more get the attention of the governments. In the wenchuan earthquake rescue and relief operation, such as emergency communication played an important role. Emergency communication ability is an important guarantee of emergency response action, its business ability is good or bad directly relates to the success or failure of emergency response actions. Build a strong and rich communication ability of emergency communications network, caused the extensive attention and recognition in the field of communications. Instant messaging service, with its strong communication skills, occupy less communication resources, and many other advantages, has become the indispensable emergency communications network a variety of communication services.This article revolves around the design and implementation of emergency communications network instant messaging server, this paper discusses the application of instant messaging business emergency communications network scenario, function needs and key technologies. This article gives an instant messaging server requirements analysis, design, development, testing and other related work complete.This paper first introduces the emergency communication with instant messaging and other related concepts, protocols and technology. Then analyzed the emergency communication of the business needs of the instant messaging server, then, on the basis of discusses the overall design and detailed design of instant messaging server. From the business to achieve the three different patterns and different levels of the system software are introduced in detail the design of the instant messaging server implementation work. Finally, from a functional completeness, performance, availability of emergency communications network instant messaging server was tested.