This article is presented by:
Yuyan Xue
Department of Computer Science and Engineering
University Of Nebraska-Lincoln
Security Issues in Wireless Mesh Networks

Characteristics of WMN
Security Challenges in WMNs
Securing WMNs
Conclusion


Difficulties in Providing Security in WMNs

Shared Broadcast Radio Channel
MAC layer Eavesdropping or replay attack
Lack of Association
Authentication
Physical Vulnerability
Mesh ro ....etc

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Scalable Multicasting in Mobile Ad Hoc Networks
Multicast
HDVMRP: Intern-domain + Intra-domain multicast
Hierarchical routing achieves scalability
Shrinks the multicast routing table
aka. reduces protocol state
Faster forwarding
Two types of scalability
Vertical scalability: increase of group size
Horizontal scalability: increase of number of groups
Multicast Protocol State Maintenance
Protocol state is the multicast routing tables at each node
Multicast routing tree/mesh is maintained by p ....etc

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Bandwidth Efficient Video Multicasting in Multiradio Multicellular Wireless Networks

Abstract—

In this paper, we propose a new mechanism to select the cells and the wireless technologies for layer-encoded video multicasting in the heterogeneous wireless networks. Different from the previous mechanisms, each mobile host in our mechanism can select a different cell with a different wireless technology to subscribe each layer of a video stream, and each cell can deliver only a ....etc

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Distributed Algorithm for Source based Energy Efficient Multicasting in wireless AdHoc Networks

Abstract:
In this paper, we discuss the energy efficient multicast problem in ad hoc wireless networks. Each node in the network is assumed to have a fixed level of transmission power. The problem of our concern is: given an ad hoc wireless network and a multicast request, how to find a multicast tree such that the total energy cost of the multicast tree is minimized. We first prove this problem is NP-hard and it i ....etc

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Approximate Minimum Energy Multicasting in Wireless Ad-Hoc Networks (VC++)
IEEE Transactions on Mobile Computing, Vol. 5,

Abstract:
A wireless ad hoc network consists of mobile nodes that are equipped with energy-limited batteries. As mobile nodes are battery-operated, an important issue in such a network is to minimize the total power consumption for each operation. Multicast is one of fundamental operations in any modern telecommunication network including wireless ad hoc networks. Given a multicast request consisting of a source ....etc

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Multicasting with Localized Control in Wireless Ad Hoc Networks
Jun Peng Sikdar, B. Liang Cheng Dept. of Electr. Eng., Univ. of Texas-Pan American, Edinburg, TX;
This paper appears in: Mobile Computing, IEEE Transactions on Publication


Abstract
This paper investigates how to support multicasting in wireless ad hoc networks without throttling the dominant unicast flows. Unicast flows are usually congestion-controlled with protocols like TCP. However, there are no such protocols for multicast flows in wireless ad hoc network ....etc

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Sir/Madam,

I need data flow diagrams and UML diagram for the project Supporting Efficient and Scalable multicasting over mobile adhoc network.

Thanking you
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Submitted By Shiv Mewada


Literature Review on “ A Secure Key Management Model For Wireless Mesh Networks
INTRODUCTION OF WMNs
• Wireless mesh network is an advanced form of wireless network.
• Wireless Mesh Networks (WMNs) represent a good solution to providing wireless Internet connectivity in a sizable geographic area;
• Wireless mesh networks (WMNs) are composed of two main node types, Wireles ....etc

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WIRELESS MESH NETWORKS
Abstract
As various wireless networks evolve into the next generation to provide better services, a key technology, Wireless Mesh Networks (WMNs), has emerged recently. In WMNs, nodes are comprised of mesh routers and mesh clients. Each node operates not only as a host but also as a router, forwarding packets on behalf of other nodes that may not be within direct wireless transmission range of their destinations. A node can send and receive messages, and in a mesh network, a node also functions as a router and c ....etc

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