A self-reconfiguring name service that distributes workload among the available servers in a system. A Service Monitor for each host system of a site periodically broadcasts information about available servers. The broadcast message also indicates the workload of the host. Each name service (DNS) has...http://www.google.com.hk/patents/US6360256?utm_source=gb-gplus-share專利 US6360256 - Name service for a redundant array of internet servers
