Asymmetry Between Repair and Infection in Self-Repair Networks
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A self-repair network is a model consisting of autonomous nodes capable of repairing connected nodes. Self-repairing by mutual repair involves the double-edged sword problem where repairing could cause adverse effects when done by abnormal nodes. Although self-repair in a single node (as opposed to mutual repair between two nodes) is not susceptible to this problem because an abnormal node always repairs itself, the possibility of normal nodes repairing abnormal nodes is lost. This chapter compares these two types of repair: self and mutual for a self-repair network with infections. With this extended model, abnormal nodes can spread not only by repair failures but also by infections. Although the repair (normal state spreading) can compensate for the infection (abnormal state spreading), we discuss why repairing is asymmetric to the infection.
KeywordsInfection Asymmetry Probabilistic cellular automaton Distributed autonomy Mutual repair Self-repair
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