Dynamic hierarchical network resource scheduling for continuous

Details Dynamic hierarchical network resource scheduling for continuous Dynamic hierarchical network resource scheduling for continuous

1995-09-08

2000-03-21

Asta, Frank J.

Electrical computers and digital processing systems: multicomput

Computer network managing

Network resource allocating

709231, 709204, G06F 1314

Patent

active

060413549

ABSTRACT:
An apparatus and method is provided that supports continuous media for conventional networked workstations and PC's. Described are user-level mechanisms and policies designed to give good, efficient multimedia service under the mild assumption that the operating system provides a preemptive real-time scheduling class that can be used to give CPU cycles to the multimedia processes in preference to other processes that are not time sensitive. There are no modifications to the operating system kernel and isochronous networks are not required. It suffices for an application to state that it wants to play a particular stream of a type known to the server (e.g. a file containing MPEG-1 video 320.times.240 pixels, 8-bit color, 30 frames per second), or for the application to specify a frame rate and an index describing the offset of each frame in a file.

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