Method for remotely and reliably updating of the software on a c

Details Method for remotely and reliably updating of the software on a c Method for remotely and reliably updating of the software on a c

1998-01-30

2000-10-31

Maung, Zarni

Electrical computers and digital processing systems: multicomput

Network computer configuring

395712, G06F 15177, G06F 9445

Patent

active

061416835

ABSTRACT:
A technique for updating the software in a remote computer (e.g., a base station, a spacecraft in space, an electronic postage meter in an office, a medical monitoring device in a patient's home, etc.) from a central control (e.g., a wireless switching center, the National Aeronautics and Space Administration's Houston Control, a postage meter facility, a medical equipment manufacturer's factory, etc.) is disclosed. An illustrative embodiment of the present invention comprises: checking the integrity of a first software application at a first location in a first memory that is pointed to by a first address in a pointer; copying the first software application from the first memory to the second memory and executing the first software application from the second memory, when the integrity of the first software application is nominal; transmitting a first message indicating that the integrity of the first software application is not nominal, when the integrity of the first software application is not nominal; and receiving a first command to store a second address in the pointer, in response to the first message.

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