Method and apparatus for updating system software for a plurality of data processing units in a communication network
August 15, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesOn-line modification of computer programs Method of treating depression with 5-(aminoalkyl)-11-phenyl-5H-dibenzo(b,e)(1,4) diazepines Communication for version management in a distributed information service Program update in duplicated switching systems Communication control apparatus Distributed processing system and method Method and apparatus for testing a distributed computer system Computer device for aiding in the development of software system Multiprocessor system for updating status information through flip-flopping read version and write version of checkpoint data Patent #: 4823261 InventorAssigneeApplicationNo. 232293 filed on 08/15/1988US Classes:709/221, Reconfiguring709/219, Accessing a remote server717/170, Plural version management717/171, Network717/172, Including distribution of software (e.g., push-down, pull-down)717/174SOFTWARE INSTALLATIONExaminersPrimary: Lee, Thomas C.Attorney, Agent or FirmInternational ClassesG06F 015/00G06F 011/00 AbstractIn 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 | |
