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Mobile Ad Hoc Network (MANET) consists of a collection of wireless mobile hosts without the required intervention of any existing infrastructure or centralized access point such as base station. The dynamic topology of MANET allows nodes to join and leave the network at any point of time. Wireless MANET is particularly vulnerable due to its fundamental characteristics such as open medium, dynamic...
We present a mobile wireless network evaluation tool (MOWINE) that can analyze mobility and wireless connectivity traces to quantify performance of different network protocols in a given application scenario. We model the highly dynamic connectivity of mobile networks using time-expanded graphs which allow us to study the best-case performance of network protocols. MOWINE also integrates with a network...
The conventional Mobile Ad-hoc Network (MANET) is composed of mobile nodes without any infrastructure. But, emergent traffic such as disaster positioning by using wireless infrastructure is indeed required. Therefore, network deployment for ad-hoc would associate WiMax with WiFi which is called 802.16e MANET Environment in this paper. Based on the 802.16e MANET environment, we propose a novel Hierarchical...
A rapid increase of wireless networks and mobile computing applications has changed the landscape of network security. A MANET is more susceptible to the attacks than wired network. As a result, attacks with malicious intent have been and will be devised to take advantage of these vulnerabilities and to cripple the MANET operation. Hence we need to search for new architecture and mechanisms to protect...
Mobile adhoc network(MANET) is a ??on the fly?? network of mobile nodes. Packets are routed through mobile nodes instead of any fixed base station. (AODV) is most adopted routing protocol in MANET where a path is established when a node wants to communicate with another node. The period over which the communication proceeds through this path is known as a Session. When the mobility in the network...
The low cost and low battery consumption of Bluetooth devices, allied with a plethora of novel functionalities, has promoted the widespread adoption of the Bluetooth technology. Nowadays most computing devices with networking requirements are equipped with a Bluetooth interface. In particular, the integration of this technology in mobile phones has increased the number of potential users to millions...
A mobile ad hoc network (MANET) is a infrastructure less network comprising of mobile nodes which dynamically form a network without the help of any centralized administration. Frequently changing network topology needs efficient dynamic routing protocols. We compare the performance of two on-demand routing protocols for mobile ad hoc networks dynamic source routing (DSR) and ad hoc on-demand distance...
In the area of mobile ad hoc and sensor networks, simulation became the evaluation method of choice. Due to the high number of variables - including transmission range, number of nodes, simulation area, mobility pattern-simulation settings vary largely from work to work, depending on the application scenario focused. The results for two simulations with identical setting, but different mobility models,...
Connecting the wired and wireless networks particularly the Mobile ad hoc Network is interesting in real world situations due to its usefulness and practicality. Different mechanisms have been proposed to integrate MANETs and the Internet. These strategies differ in gateway discovery mechanism, cell switching criteria, ad hoc routing protocol.In this paper, Mobile-IP is integrated with Hierarchical...
Connecting the wired and wireless networks particularly the Mobile ad hoc Network is interesting in real world situations due to its usefulness and practicality. Different mechanisms have been proposed to integrate MANETs and the Internet. These strategies differ in gateway discovery mechanism, cell switching criteria, ad hoc routing protocol. In this paper, Mobile-IP is integrated with Hierarchical...
The integration of wired and wireless networks is gaining popularity due to its usefulness and practical use. Internet connectivity would benefit users from mobility offered by mobile ad hoc networks and connectivity provided by the Internet. This integration however faces problem due to architectural differences in terms of infrastructure, topology, and mobility mechanisms. A number of integration...
Peer to peer (P2P) utilizes the resources of an offered service without the need for a central server or preexistent server-client, making it a desirable network environment for data exchange based on direct connection between peers. Proposed by Sun Microsystems, JXTA is a typical P2P system and distributed computing model that does not require central service resources and is flexible to deal with...
Mobile ad hoc networks (MANETs) are videly in use in rescue, military operations, scientific and business areas. Many studies are addressed in MANETs because of their need to long lasting liveness, fault tolerance, dynamic addressing, collusion prevention, mobility management and security. Especially, self clustering, backbone construction and routing are the most interesting academic and industrial...
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