ONE-IP: techniques for hosting a service on a cluster of machines
Selected papers from the sixth international conference on World Wide Web
A Web-based nomadic computing system
Computer Networks: The International Journal of Computer and Telecommunications Networking - pervasive computing
Project Aura: Toward Distraction-Free Pervasive Computing
IEEE Pervasive Computing
A scalable and highly available web server
COMPCON '96 Proceedings of the 41st IEEE International Computer Conference
Distributed Packet Rewriting and its Application to Scalable Server Architectures
ICNP '98 Proceedings of the Sixth International Conference on Network Protocols
Scalable content-aware request distribution in cluster-based networks servers
ATEC '00 Proceedings of the annual conference on USENIX Annual Technical Conference
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In the future, many more people will use web service in Ubiquitous environments. SMD-cluster, which is one of previous research, is a proposed scalable cluster system to meet the clients' requirement. SMD-cluster has a highly scalable architecture with multiple front-end nodes. However, SMD-cluster cannot provide continuous web service to clients, even though all real servers are alive when a front-end node fails. It causes considerable damage to the system, which provides mission-critical services such as E-business, Internet banking, and home shopping. To overcome this problem, we propose an efficient service recovery method in SMD-cluster. Service recovery information is maintained at each real server to minimize the overhead on front-end nodes. Waste of network usage is minimized by reducing communication messages among nodes in a cluster. We propose fast service recovery using a content-aware routing mechanism, which considers the specific content type of a request, to give priority to mission critical services.