A method and system for responding to a request from a client for a web page using delta caching is described. Building templates for the web at the server(s) is functionally separated and logically remote from the request server. One or more template-builders are logically separated from one or more...http://www.google.com.hk/patents/US7487261?utm_source=gb-gplus-share專利 US7487261 - Delta caching service
