Vasilis P. Koutras

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Nowadays Voice over Internet Protocol (VoIP) is becoming an evolutionary technology in telecommunications. In this paper the study is focused on the resources that are allocated for VoIP calls. Resource allocation in a VoIP system and resource degradation when new demands for resources arrive at the system are modeled. To counteract resource degradation and(More)
The phenomenon of software aging is dominant in modern software systems, affecting their behavior and leading to major and minor failures, which hamper their overall performance. The effects of software aging on software systems are associated with major failures in the recent past, encouraging scientists to work towards proposing vital solutions to the(More)