Broadcasting group information to ensure consistency and correctness in mobile computing environments

Abstract

Recent advances in wireless communication technology and popularity of portable computers have rendered the mobile computing environments that users access the information via wireless channel, regardless of the situation or the location. In this environments, a mobile host have a cache to avoid the bandwidth usage and improve the response time of transactions. However, the cache mechanism does not guarantee the serializable execution of mobile transactions. In this paper, we propose the BGI-MT method that mobile hosts can make a commit decision by using the group information. Also our method can improve the cache efficiency in the case that the disconnection of mobile hosts is longer than the broadcast interval of the window report. © IFIP International Federation for Information Processing 2006.