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362 articles for “nodes”
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Research ArticleOpen accessIn the abstractFault Node Detection and Connectivity Restoration with Mobile Relay Node in Wireless Sensor NetworksM.P. Anuradha, A.M. Swetha, Manivannan DoraipandianIn Wireless Sensor Network (WSN), node failure is an imperative concern in a hostile environment. These node failures create disjoints in the network and leads to a network partitioning problem. It is important for the nodes to be alive and communicate with each other to check the network connectivity. Replacement of Mobile Relay Nodes (MRN) in the location of faulty … …Journal of Computer Science, Vol. 16, Issue 4 · 1 Apr 2020 · 7,921 accessesView PDFCite
Research ArticleOpen accessIn the abstractEnhancing the Performance of Wireless Routing Protocols of MANET using AIYahia Hasan JazyahThe main goal of Mobile Ad hoc Network (MANET) is connecting mobile devices directly without central point (peer to peer), which makes it popular area of research. MANET is running using routing protocols that enable mobile devices (nodes) to communicate to each other. Different types of routing protocols have been designed that depend on different strategies in order to establish … …Journal of Computer Science, Vol. 17, Issue 10 · 28 Oct 2021 · 6,412 accessesView PDFCite
Research ArticleOpen accessIn the abstractSoft Marking Scheme of SVM Hierarchical Classifiers for Attack ClassificationAzizi Abdullah, Warhamni Jani@MokhtarClassification is a predictive modelling problem that involves assigning a class label to an instance correctly. There exist several strategies in machine learning to deal with the multi-class classification problems for attack detection. One of the popular strategies is the one-vs-one that decomposes the multi-class problem into multiple binary ones. The approach has been applied in many popular supervised learning … …Journal of Computer Science, Vol. 17, Issue 9 · 27 Sep 2021 · 6,006 accessesView PDFCite
Research ArticleOpen accessIn the abstractSocialMANET: A Publish/Subscribe Events Dissemination Protocol for Mobile Ad-Hoc NetworksMaurice Tchoupé Tchendji, Martin Xavier Tchembé, Innocent Tialo NecheuThe popularization of mobile equipment capable of communicating autonomously nowadays offers the possibility of thinking more seriously about a mode of communication in which stakeholders communicate in an ad-hoc manner and use mobility to convey information. However, due to their mobile nature, such equipments are limited by their low energy and storage capacity. Algorithms designed for them must therefore be … …Journal of Computer Science, Vol. 15, Issue 9 · 3 Sep 2019 · 7,685 accessesView PDFCite
Research ArticleOpen accessIn the abstractImpacts Evaluation of DoS Attacks Over IPv6 Neighbor Discovery ProtocolAmjed Sid Ahmed, Rosilah Hassan, Nor Effendy Othman et al.The Neighbor Discovery Protocol (NDP) is one of the main protocols in the Internet Protocol version 6 (IPv6) suite. It provides many basic functions for the normal operations of IPv6 in a Local Area Network (LAN), such as address auto-configuration and address resolution. However, NDP has several vulnerabilities that can be used by malicious nodes to launch attacks, because NDP … …Journal of Computer Science, Vol. 15, Issue 5 · 29 May 2019 · 8,333 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Conflict-Free Routing Tables Update Method for Persistent Multilink and Node Failures in SDN ArchitecturesYannick Florian Yankam, Jean Frédéric Myoupo, Vianney Kengne TchendjiThe large-scale network management abilities of centralized architectures, such as Software-Defined Networking (SDN), are attracting increasing interest from major computer networking companies. In this architecture type, the nodes follow the rerouting rules predefined by the control plane in the controller. However, when a link or node failure becomes persistent over the time, the controller must recompute the routing and rerouting … …Journal of Computer Science, Vol. 15, Issue 3 · 11 Mar 2019 · 7,473 accessesView PDFCite
Research ArticleOpen accessIn the abstractTPAL: A Protocol for Node Authentication in IoTMohamad Faiz Razali, Mohd Ezanee Rusli, Norziana Jamil, Salman YussofSecure communication in Low power and Lossy Network (LLN) requires the authentication of the identities of nodes for that node to join the network. Since LLN may consist of many different nodes, where some nodes may contain sensitive and subtle information such as military data, monitoring data, or health data, that node needs to be authenticated before it can deliver … …Journal of Computer Science, Vol. 14, Issue 10 · 30 Oct 2018 · 7,031 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Comparative Study of Mobility Models for Wireless Sensor NetworksAnas Abu TalebWireless sensor networks consist of hundreds or thousands of small, lightweight and low-powered sensor nodes that are deployed in the area of interest to collect information in an unattended manner. Since sensor nodes have limited battery, many research papers proposed techniques to enhance the performance and lifetime of wireless sensor networks. Using energy rich mobile sink to collect data from … …Journal of Computer Science, Vol. 14, Issue 10 · 10 Oct 2018 · 8,068 accessesView PDFCite
Research ArticleOpen accessIn the abstractApplication of Viral System Algorithm in Load Balancing of Cloud EnvironmentDamodar Tiwari, Shailendra Singh, Sanjeev SharmaAs the cloud computing technology is gaining popularity with time, more and more users and applications are shifting towards it. This is why clouds are experiencing high load, which demands for load balancing of user tasks submitted to cloud for execution. This makes load balancing of non-preemptive tasks a key issue in cloud computing. Superior task scheduling leads to balanced … …Journal of Computer Science, Vol. 14, Issue 7 · 14 Jul 2018 · 8,411 accessesView PDFCite
Technical ReportOpen accessIn the abstractEffects of Design Factors of HDFS on I/O PerformanceHan-Gyoo KimFour major design factors of HDFS, the block size, the number of data nodes, the number of client processes and replication factor are investigated to find out the effects on the I/O performance of HDFS by performing experiments in a real physical HDFS infrastructure consisting of 64 Hadoop data nodes of Intel i9 based blades. The block size is observed … …Journal of Computer Science, Vol. 14, Issue 3 · 13 Mar 2018 · 7,991 accessesView PDFCite