In a network, a user can configure host-level policies usable for load balancing traffic to servers of a domain. A global server load balancing (GSLB) switch provides load balancing to the servers, and is configured with the GSLB host-level policies. Users can define a host-level policy (alternatively...http://www.google.com.hk/patents/US20110099261?utm_source=gb-gplus-share專利 US20110099261 - HOST-LEVEL POLICIES FOR GLOBAL SERVER LOAD BALANCING