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In the field of telecommunications, mobility represents new practical ways of communication that are known to be vaguely flexible in terms of use; for users expect to enjoy constant and good quality service. An attempt will be make; all along this file; to introduce the concept of Multihoming to mobile networks in order to increase their strength and resistance toward the effects of mobility, along...
To cater for different conditions of QoS application, this paper proposes an adaptive cross-layer QoS model for mobile Ad Hoc networks according to their characteristics. Based on the traditional TCP/IP protocol stack, the cross-layer information exchange module and the adaptive decision-making module are added. The cross-layer information exchange module breaks the restriction of the original layer...
The following topics are dealt with: tree-building algorithms; HCM decision tree; grid authorization system; grid scheduling system; evolutionary algorithm; data allocation problem; read-one-write-all monitoring synchronization transaction system; large block FEC; RED queue; TFRC congestion control; TCP; mobile ad hoc networks; vehicular ad hoc networks; wireless sensor networks; failure route protocol;...
TCP, the facto standard used in today's Internet, has been found to perform poorly in Mobile Ad Hoc Networks (MANETs). This is exacerbated by contention with increasing UDP-based high priority multimedia traffic and the class differentiation introduced in current QoS protocols, which results into TCP starvation and increased spurious timeouts. In this paper, we propose a cross-layer TCP enhancement...
The dynamic composition of systems of networked appliances, or virtual devices, in MANETs, enables users to generate, on-the-fly, complex strong specific systems. Current work in the development of service composition architectures in MANETs has yet to address QoS metrics for enhanced composition from a virtual device perspective. In this paper, we present an extension to a prominent dynamic broker-based...
The bandwidth is one of the most precious resources in mobile ad hoc networks (MANETs); their network protocols should therefore be able to achieve an increase in efficiency of bandwidth utilization. TCP, which implements flow control to regulate the network traffic, plays a significant role in determining the workload of the network. However, spurious TCP retransmissions can increase the link utilization...
In a bilateral teleoperated system, the signal transmissions between the operator and the slave manipulators have different QoS requirements in comparison to traditional network traffic. Running teleoperated systems over wireless networks poses more challenges in comparison to wired networks. The media streams involved differentiate themselves from other media types in that they require both reliable...
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