Improved WWW Cache Updating for Rapidly Changing Objects.

In e-commerce applications and financial market services, information contained in the objects delivered by the web and database servers to the clients can rapidly change with time. Therefore, the challenge is not only to locate a cache that contains the required object but also to select the location of the most current version of the object. While there are few approaches to locate the cached objects in the Internet, extension of these methods to rapidly changing objects is not straightforward. As such, the researchers are attempting to provide a solution using active networking concepts. In this paper, we present a new method to improve cache updating in the Internet. In our approach, we calculate the mean of the update interval of the objects and group the objects into object groups with associated time slots. Then we use the time slot values to locate the best possible version of the object. We believe that our method would reduce the response time in obtaining the best updates of the objects and also reduce network traffic and cost.