A video file server includes an integrated cached disk array storage subsystem and a plurality of stream server computers linking the cached disk array to a data network for the transfer of video data streams. The video file server further includes a controller server for applying an admission...http://www.google.com.hk/patents/US5829046?utm_source=gb-gplus-share專利 US5829046 - On-line tape backup using an integrated cached disk array
