Abstract
According to the serviceable satellite software reconfiguration requirements for on-orbit module replacement, a dynamic task migration scheme was put forward based on the operating system dynamic loading mechanism, including task module loading and unloading. In this way, task level software modules could be deployed on any distributed computing units . After the ORU module fails, the function can be recovered through the migration of the tasks. After the replacement of the ORU module, the original tasks can be dynamically migrated back, which was also useful to upgrade on-board software. The task migration mechanism was verified in a practical distributed computing environment.
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