Multimedia server with efficient multimedia data access scheme

Details Multimedia server with efficient multimedia data access scheme Multimedia server with efficient multimedia data access scheme

1996-03-15

1999-09-21

Ramirez, Ellis B.

G06F 1700

Patent

active

059564881

ABSTRACT:
A multimedia server capable of reducing a number of accesses to memory devices with low access speed. Whether a desired multimedia data requested by one terminal connected with one input/output unit is present in a buffer of another input/output unit is judged, and the desired multimedia data is transferred to a buffer of that one input/output unit, from the multimedia data storage device when the desired multimedia data is judged as not present, or from a buffer of that another input/output unit when the desired multimedia data is judged as present. It is also possible to predict future necessary multimedia data at each input/output unit, monitor the multimedia data transferred through the network, and pre-fetch the future necessary multimedia data from the monitored multimedia data. It is also possible to combine a plurality of requests for an identical multimedia data issued by different terminals connected with different input/output units within a prescribed period of time into a single unified request, so that the identical multimedia data can be obtained by the single access and transferred to the different input/output units simultaneously.

REFERENCES:
patent: 5553005 (1996-09-01), Voeten et al.
patent: 5574662 (1996-11-01), Windrem et al.
patent: 5610841 (1997-03-01), Tanaka et al.
Buck, "The Oracle Media Server for nCUBE Massively Parallel Systems", Proceedings of 8th International Parallel Processing Symposium, pp. 670-673, (1994).

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