期刊名称：International Journal of Innovative Research in Computer and Communication Engineering
印刷版ISSN：2320-9798
电子版ISSN：2320-9801
出版年度：2015
卷号：3
期号：2
DOI：10.15680/ijircce.2015.0302118
出版社：S&S Publications
摘要：Wireless sensor and actor networks (WSANs) applications has a set of mobile actor nodes, which aredeployment along with the sensors in order to collect sensors’ data and perform specific tasks in response to detectedevents/objects. In most scenarios, actors have to respond collectively, which requires interactor coordination.Therefore, maintaining a connected interactor network is critical to the effectiveness of WSANs. However, WSANsoften operate unattended in harsh environments where actors can easily fail or get damaged. An actor failure may leadto partitioning the interactor network and thus hinder the fulfilment of the application requirements. In this paper, wepresent Actor Replacement (AR) Algorithm, which opts to efficiently restore the connectivity of the interactor networkthat has been affected by the failure of an actor. Two variants of the algorithm are developed to address 1- and 2-connectivity requirements. The idea is to identify the least set of actors that should be repositioned in order to reestablisha particular level of connectivity. ARA strives to localize the scope of the recovery process and minimize themovement overhead imposed on the involved actors.
