A system and method for backing up and restoring data from client computers at a server computer. The server computer receives back-up data from individual client computers and inserts them into a configurable buffer within a shared memory area. The server associates a client identification (ID) tag...http://www.google.de/patents/US6487644?utm_source=gb-gplus-sharePatent US6487644 - System and method for multiplexed data back-up to a storage tape and restore operations using client identification tags