Method of striping a data stream onto subsets of storage devices

Details Method of striping a data stream onto subsets of storage devices Method of striping a data stream onto subsets of storage devices

1997-04-24

1999-07-06

Lee, Thomas C.

Television

Special applications

Simulator

39520076, 395886, 395850, 348 7, 711114, G06F 1516, G06F 1580

Patent

active

059207027

ABSTRACT:
A multiple user data storage, retrieval and distribution system containing a parallel processing computer system that forms a digital information server. The server contains a plurality of parallel processors each connected to a information storage device. The user data is stored in a distributed manner amongst the information storage devices. The distribution system dynamically allocates the users to the system based upon the user's requested operating mode. As such, during successive user service periods, all the users are supplied their requested data. The system also provides error detection and correction for the data requested by the users. Furthermore, additional data can be added to the information storage devices during each service period and select information storage devices can be recalibrated without affecting system operation. Even though the system allocates users dynamically such that the data is retrieved from the information storage devices in an arbitrary order, the system contains an output timing sequencer that generates output data in a predefined order no matter the order in which the data is retrieved from the information storage devices. The disclosed apparatus and method find applicability in video servers, medical imaging, special effects and animation and location based entertainment systems among other applications.

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Globecom '91 IEEE (Hardt-Kornacki et al.) entitled "Optimization Model for the Delivery of Interactive Multimedia Documents".
Compcon Spring '93 IEEE (Tobagi et al.) entitled: "Starworks-A Video Application Server".
'89 IEEE Transaction on Computers (Reddy et al.) entitled: "An Evaluation of Multiple-Disk I/O Systems".
'91 IEEE (Nagaraj et al.) entitled: "Design and Evaluation of a High Performance File System for Message Passing Parallel Computers".
'90 IEEE (Hsiao et al.) entitled: "Chained Declustering: A New Available Strategy for Multiprocessor Database Machines".
'91 IEEE (Gelman et al.) entitled:"A Store-and-Forward Architecture for Video-On-Demand Service".
'92 IEEE Communication Magazine (Rangan et al.) entitled:"Designing an On-Demand Multimedia Service".

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