Apparatus and methods for sharing idle workstations

Details Apparatus and methods for sharing idle workstations Apparatus and methods for sharing idle workstations

1996-11-05

1999-11-02

Banankhah, Majid A.

Electrical computers and digital processing systems: multicomput

Computer-to-computer data routing

Least weight routing

709105, G06F 900

Patent

active

059788291

ABSTRACT:
The present invention relates to systems for sharing idle workstation computers that are connected together through a network and shared file system. More particularly, a user of a local host workstation may submit jobs for execution on remote workstations. The systems of the present invention select a remote host that is idle in accordance with a decentralized scheduling scheme and then continuously monitor the activity of the remote host on which the job is executing. If the system detects certain activity on the remote host by one of the remote host's primary users, the execution of the job is immediately suspended to prevent inconvenience to the primary users. The system also suspends job execution if the remote host's load average gets too high. Either way, the suspended job is migrated by selecting another idle remote workstation to resume execution of the suspended job (from the point in time at which the last checkpoint occurred).

REFERENCES:
patent: 5031089 (1991-07-01), Liu
patent: 5442791 (1995-08-01), Wrabetz
"The design and Implementation of a Decentralized Scheduling facility for a Workstation Cluster", Stumm, M, Computer Workstations, 1988, proceeding of the 2.sup.nd IEEE Conference on Mar. 1988.
Xiaowei Jin, "Dynamic Load Balancing In A Distributed System Using a Sender-Initiated Algorithm", Periodical: LOcal Computer Networks,, 1988 13th Conference.
Yi-Min Wang, Tewnty-Fifth International Symposium on Fault-Tolerant Computing. Digest of Papers, pp. 22-31.
Hwa-Chu Lin, "Performance Study of Dynamic Load Blancing Policies for Distributed Systems with Service Interruption", IEEE/IEE Publication Ondisc.

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