Jinho Ahn

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Sender-based message logging allows each message to be logged in the volatile storage of its corresponding sender. This behavior avoids logging messages on the stable storage and results in lower failure-free overhead than receiver-based message logging. However, in the message logging approach, each process should keep in its limited volatile storage the(More)
Thanks to asynchronous and dynamic natures of mobile agents, a certain number of mobile agent-based monitoring mechanisms have actively been developed to monitor large-scale and dynamic distributed networked systems adaptively and efficiently. Among them, some mechanisms attempt to adapt to dynamic changes in various aspects such as network traffic(More)
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In sensor networks, there is a lot of overlapping multicast groups because of many subscribers, associated with their potentially varying specific interests, querying every event to sensors/publishers. Also gossip-based communication protocols are promising as one of potential solutions providing scalability in P(Publish)/ S(Subscribe) paradigm in sensor(More)