G - Physics – 06 – F
Patent
G - Physics
06
F
354/230
G06F 9/00 (2006.01) G06F 9/445 (2006.01) H04Q 3/545 (2006.01)
Patent
CA 1326302
Abstract of the Disclosure A time-shared computer system is disclosed in which computer software programs, either application programs or operating system programs, canbe retrofitted with new programs which are totally incompatible with the old versions, all without interrupting service provided by the software programs. In a real time software system such as one providing telephone service, the processor(or processors in a multiprocessor system) is divided into two logical partitions. The old version of the software runs in one partition while the new version is loaded into and started up in the other partition. When the new version is verified to be properly operating, the data traffic is transferred from the old version partition to the new version partition in two steps. First the input data is switched to the new version. When the transactions in progress in the old version are allcompleted, the output data is switched from the old version to the new version This software retrofitting on the fly is disclosed in correction with a telephone transaction processing system used to support special telephone services such as dial 800 calls and credit card calls.
609070
Liu Cheng-Chung
Lo Daniel Shin-Chia
Nazif Zaher Amin
Wu Fu-Lin
Zobre Donald William
Cassan Maclean
Telcordia Licensing Company Llc
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