A method and apparatus that ensures that requests for pages in a particular domain name are routed to the same proxy server by all of a plurality of clients. If, for example, a proxy server has a persistent connection to a server for a domain, all incoming requests for that domain will be sent to the...http://www.google.com/patents/US6212565?utm_source=gb-gplus-sharePatent US6212565 - Apparatus and method for improving performance of proxy server arrays that use persistent connections
