Contents

Today,the architecture of distributed computer system in the network is dominated by the client/server mode. but this mode doesn’t fit information-driven application that booms in nowadays very well.In the otherwise, mobile communication changes our life better and better, we use it to talk with friends, check the information about the stock, weather, download the pictures, find anything we interested in. Most of these service based on the informationdriven application.so, we must build a way for accommodating client mobility in informationdriven application. Rebeca that is a content-based publish-subscribe system provides us some mechanisms to improve the problems we mentioned above.In this paper, i try to explain why we used the publish and subscribe to satisfy the requirement from information-drive