A multi-node server transmits world-wide-web pages to network-based browser clients. A load balancer receives all requests from clients because they use a virtual address for the entire site. The load balancer makes a connection with the client and waits for the URL from the client. The URL ...http://www.google.com.hk/patents/US5774660?utm_source=gb-gplus-share專利 US5774660 - World-wide-web server with delayed resource-binding for resource-based load balancing on a distributed resource multi-node network 
