Data placement on direct access devices for media servers with c

Details Data placement on direct access devices for media servers with c Data placement on direct access devices for media servers with c

1998-05-28

2000-12-05

Miller, John W.

Electrical computers and digital processing systems: multicomput

Remote data accessing

Accessing a remote server

348 7, 348 12, 455 51, H04N 7173, G06F 1516, H04H 102

Patent

active

061579491

ABSTRACT:
The present invention optimizes data placement in reference to the service of cyclic re-broadcast, typical of a media server. When the media data to be re-broadcast and the cycle of the re-broadcast are known, it is possible, according to the present invention, to calculate the portions of all the media data that will be read simultaneously and place sequentially such portions of data, so that the search time of the read/write head in the data blocks of direct access devices, such as magnetic disks, magnetic disk arrays, read-and-write optical disks, and other storage devices, can be reduced. Using the inventive data placement technology, the search time of the read/write head can be significantly reduced and the efficiency of bandwidth use can be improved, without altering typical hardware devices.

REFERENCES:
patent: 5751883 (1998-05-01), Ottesen et al.
patent: 5757415 (1998-05-01), Asamizuya et al.
patent: 5815662 (1998-09-01), Ong
patent: 5838362 (1998-11-01), Furuya et al.
patent: 5870551 (1999-02-01), Ozden et al.
patent: 5870553 (1999-02-01), Shaw et al.

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