Patent ID: 9015675
Filing Date: 2015-04-21
Classification: G06F

Abstract:
1. A computer-implemented system reliability evaluation method, comprising evaluating system reliability which is reliability of an information processing system executing software, based on connection defect information generated with respect to a pair of software components, which includes a number of times that a defect has occurred in a connection between software components among a plurality of software components operating in connection with each other, wherein the evaluating comprises calculating software connection reliability, which is reliability of the connection between the software components, based on the connection defect information, and evaluating the system reliability based on the calculated software connection reliability and software reliability representing a degree of reliability of only a software component being calculated based on lone defect occurrence information including a number of times that a defect has occurred in only the software component, and wherein the evaluating comprises estimate a connection model parameter which is a parameter for specifying a model representing a relation between a number of times that the connection between the software components has been executed and the number of times that a defect has occurred in the connection, based on the connection defect information, and calculate the software connection reliability by using the model specified by the estimated connection model parameter.