An improved remote protocol enables efficient and reliable updating of files on a remote server. A gather-copy extension to a remote protocol enables a client to instruct a server to gather portions of data from an existing source file on the server and to copy those portions of data to appropriate offsets...http://www.google.com.hk/patents/US20060026165?utm_source=gb-gplus-share專利 US20060026165 - Remote file updates through remote protocol
