Consistency and update in mobile overlay networks

Zhou Su, Jiro Katto, Yasuhiko Yasuda, Yu Chen
2008 2008 Third International Conference on Communications and Networking in China  
With the development whereby mobile content distribution systems can manage dynamically changing files, an important issue to be resolved is consistency management, which means the cached replicas on different mobile sites must be updated if the originals change. This paper is to design an integrated consistency-control algorithm for mobile contents delivery network (M-CDN) to enhance the efficient utilization of network resource and support the client mobility. Firstly, by carrying out an
more » ... sis of mobile surrogates' characteristics, for a given content which has been changed on its original node, only a limited number of its replicas instead of all replicas are updated. Secondly, if a replica has been selected for update, the latest version will be sent from an algorithm-decided site instead of from its original server. Simulation results show that the proposal outperforms other conventional methods.
doi:10.1109/chinacom.2008.4685200 fatcat:5a2rm6hwdrfklde7csphr4ylqy