Fay, Sharpe, Beall, Fagan, Minnich & McKee
Test method and apparatus for distributed system
 In a distributed system having a plurality of processors connected to a common transmission line, each processor comprises means for registering erroneous programs within the processor, and means for changing modes, so that a program is diagnosed on the basis of a processed result of data accepted from the transmission line and is registered in the erroneous program registration means if it is erroneous, and that the mode change means changes-over the test mode and the on-line mode by reference to the erroneous program registration means and in correspondence with the programs registered in or canceled from the registration means. 
Hitachi, Ltd.
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G06F G01R G06F G06F
inventional inventional inventional inventional
Hirokazu Katsumi Kinji Minoru Isao Masayuki Yasuo Kozo
Kasashima Kawano Mori Koizumi Wachi Orimo Suzuki Nakai