Ant Based Adaptive Multicast Routing Protocol (AAMRP) for Mobile Ad Hoc Networks
A. Sabari, K. Duraiswamy
备注:
9 pages IEEE format, International Journal of Computer Science and Information Security, IJCSIS November 2009, ISSN 1947 5500, http://sites.google.com/site/ijcsis/
发表信息:
International Journal of Computer Science and Information Security, IJCSIS, Vol. 6, No. 2, pp. 199-207, November 2009, USA
Multicasting is effective when its group members are sparse and the speed is low. On the other hand, broadcasting is effective when the group members dense and the speed are high. Since mobile ad hoc networks are highly dynamic in nature, either of the above two strategies can be adopted at different scenarios. In this paper, we propose an ant agent based adaptive, multicast protocol that exploits group members desire to simplify multicast routing and invoke broadcast operations in appropriate localized regimes. By reducing the number of group members that participate in the construction of the multicast structure and by providing robustness to mobility by performing broadcasts in densely clustered local regions, the proposed protocol achieves packet delivery statistics that are comparable to that with a pure multicast protocol but with significantly lower overheads. By our simulation results, we show that our proposed protocol achieves increased Packet Delivery Fraction (PDF) with reduced overhead and routing load.
Vehicular Ad Hoc Network (VANET) is a type of mobile ad hoc network (MANET) that facilitates communication among vehicles. VANET provides inter-vehicular communications to serve for the application like road traffic safety and traffic efficiency. Infotainment service has been an anticipating trend in VANETs, and video streaming has a high potential in VANET. Although, this emerging technology is trending, there are still some issues like QoS provisions, decentralized medium access control, node coverage area, and finding and maintaining routes due to highly dynamic topology. These issues make …
Multi-layer Mechanism for Multicast Routing in Multihop Cognitive Radio Networks
多播路由被认为是移动自组网中实现视频共享和数据分发的重要过程之一。如果任何发送器在任何给定时间都可以访问介质,则可以毫无困难地使用多播路由。然而,认知无线电网络(CRN)可能会出现诸如主用户(PU)的意外行为及其接入优先级以及网络异构性等挑战。在这篇论文中,我们提出了一个基于最小生成树和最短路径树的多跳移动Ad Hoc CRN多层组播路由协议。该算法采用成功的概率(POS)度量在执行信道分配过程。仿真实验进行了调查,所提出的方案的有效性,比较所提出的方案与最先进的方案的性能,并研究所提出的方案在各种网络条件下的吞吐量和分组投递率(PDR)的性能。仿真结果表明,SPT算法在吞吐量方面始终优于MST算法。
Impact of Rushing attack on Multicast in Mobile Ad Hoc Network
移动自组织网络(Mobile Ad Hoc Network,MANDO)是一个由移动节点组成的自组织系统,这些移动节点通过无线链路相互通信,没有固定的基础设施或集中式管理,如基站或接入点。移动自组网中的节点既作为主机又作为路由器,以多跳方式相互转发数据包。对于无线网络中的许多应用,多播是一种重要且频繁的通信服务。通过多播,由于单个消息可以同时传递给多个接收者。它大大降低了发送相同数据包给多个接收者时的传输成本。由于多个基站和多个接收方的参与,移动自组网在组通信中的安全问题更具挑战性。在组播时,由于路由协议存在漏洞,移动自组网不受恶意节点的攻击。一些攻击是冲攻击,黑洞攻击,女巫攻击,邻居攻击和水母攻击。本文基于Rushing攻击。在Rushing攻击中,攻击者通过快速转发路由发现包来利用重复抑制机制,从而获得对转发组的访问权,这将影响平均攻击成功率。本文的目标是衡量的影响,Rushing攻击和他们的节点位置影响的平均攻击成功率的性能指标相对于三个场景:近发送者,近接收者和网络中的任何地方。并比较了攻击成功率在上述三种情况下的性能。
In this paper we present matrix game-theoretic models for joint routing, network coding, and scheduling problem. First routing and network coding are modeled by using a new approach based on compressed topology matrix that takes into account the inherent multicast gain of the network. The scheduling is optimized by a new approach called network graph soft coloring. Soft graph coloring is designed by switching between different components of a wireless network graph, which we refer to as graph fractals, with appropriate usage rates. The network components, represented by graph fractals, are a n…
With the exponential growth of mobile data, there are increasing interests to deploy small cells in millimeter wave (mmWave) bands to underlay the conventional homogeneous macrocell network as well as in exploiting device-to-device (D2D) communications to improve the efficiency of the multicast service that supports content-based mobile applications. To compensate for high propagation loss in the mmWave band, high-gain directional antennas have to be employed, while it is critical to optimize multicast service in order to improve the network performance. In this paper, an efficient multicast s…
IP networking deals with end-to-end communication where the network layer routing protocols maintain the reachability from one address to another. However, challenging environments, such as mobile ad-hoc networks or MANETs, lead to frequent path failures and changes between the sender and receiver, incurring higher packet loss. The obligatory route setup and maintenance of a device-to-device stable path in MANETs incur significant data retrieval delay and transmission overhead. Such overhead exaggerates the packet loss manifold. Named Data Networking (NDN) can avoid such delays and overhead an…
York University(约克大学);Thompson Rivers University(汤普森河大学)
This paper investigates the problem of minimizing the age-of-information (AoI) and transmit power consumption in a vehicular network, where a roadside unit (RSU) provides timely updates about a set of physical processes to vehicles. Each vehicle is interested in maintaining the freshness of its information status about one or more physical processes. A framework is proposed to optimize the decisions to unicast, multicast, broadcast, or not transmit updates to vehicles as well as power allocations to minimize the AoI and the RSU's power consumption over a time horizon. The formulated problem is…
Project Loon is a Google initiated research project from the Google X Lab. The project focuses on providing remote internet access and network connectivity. The connectivity is established in vertical and horizontal space; vertical connectivity between Google Access Point (GAP) and the balloons, and between balloons and antennas installed at land; horizontal connectivity is between the balloons. This research focuses on the connectivity between the balloons in a mesh network. The proposal focuses on implementing graphical methods like convex hull with adhoc communication protocols. The propose…