05008814 is referenced by 339 patents and cites 9 patents.

In maintaining a communication network of processing units distributed in multiple nodes linked by communication channels, system software in a plurality of data processing units is updated by first installing the updated software in a first node. The updated software is transmitted through the network to other nodes. A trial use of the updated software is initiated in the nodes. If failures of the updated software are detected in a node, that node will be restored to the original software version. If the trial use of the updated software is completed successfully in a node, the updated version will be installed as a preferred operational version in the node. a

Title
Method and apparatus for updating system software for a plurality of data processing units in a communication network
Application Number
7/232293
Publication Number
5008814
Application Date
August 15, 1988
Publication Date
April 16, 1991
Inventor
Ashish Mathur
Sunnyvale
CA, US
Agent
Fliesler Dubb Meyer & Lovejoy
Assignee
Network Equipment Technologies
CA, US
IPC
G06F 11/00
G06F 15/00
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