Global optimization method based on maintenance charge and for two-tier software aging phenomenon
A technology for software aging and maintenance costs, applied in the field of global optimization based on maintenance costs, can solve problems such as system unavailability
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[0047] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0048] The present invention uses the analysis model of the system software update process and the accelerated test theory to test the life data of the two-layer software under accelerated conditions, and derives the availability probability distribution of the two-layer aging affected by the software aging phenomenon under normal levels, thereby obtaining The availability of the system is based on minimizing maintenance costs. This purpose can be achieved in the following steps, as figure 1 Shown:
[0049] Step 1: Build a two-layer software aging analysis model based on the update process. The software update process refers to reinitializing the internal state of the software and releasing the occupied memory resources.
[0050] Step 2: Define the threshold level of the system state.
[0051] Step 3: Analyze system availability. System availability refe...
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