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A Constrained Multicommodity Maximum-Flow-Minimum-Cost\rm} routing algorithm is presented. The algorithm computes maximum-flow routings for all smooth unicast traffic demands within the Capacity Region of a network subject to routing cost constraints. The edge cost can be a distance, reliability, congestion or an energy metric. It is shown that every network has a finite Bandwidth-Cost capacity. The...
Mobile Ad Hoc Networks have been deployed in a wide spectrum of domain ranging from military battlefields, natural disaster and manmade disaster management, conference, home networking, patient monitoring, remote landscape monitoring to name a few. MANET being an infrastructureless network with its inherent features like self-configuration, self-organizing and self-administration, it has been focus...
In this paper, we propose an intelligent routing protocol for wide-area Ad Hoc network. This protocol was designed based on both the on-demand routing protocol and table-driven routing protocol. In our routing protocol, QoS guarantee mechanism was taken into consideration, and business was divided into three types and each type enjoys different service priorities. So it's an intelligent routing protocol...
In the past, many researchers depend highly on various real life environmental short coverage area networks to analyze the performance of various routing algorithms. Recent ever-increasing interest in vehicular ad hoc network communication (VAC) necessitates vehicular movement performance study via different mobility pattern simulation. Unlike many other works, we present a study on the performance...
Stable and efficient routing plays a key role for the success of VANETs. Road-based routing has been shown well-suited for urban VANETs, and multipath routing provides alternative routes once the current route fails. However, existing multipath routing protocols are node-based, which are not suitable for urban VANETs. In this paper, we propose a road-based QoS-aware multipath routing protocol for...
Several Routing Protocols have been proposed and developed in the last few years for Wireless Sensor Networks (WSNs). Since there has been increasing interest in the development of Wireless Sensor Networks to specific applications, it is necessary to discuss routing techniques suitable to the application and segregate the Quality of Service (QOS) parameters specific to the application domain along...
Quality of Service supported multicast has attracted more attentions in the last few years and is regarded as an important communication mechanism for implementing real-time multimedia applications in Next Generation Internet. Considering the difficulty on exact measurement and complete expression of network parameters, an intelligent QoS multicast routing algorithm based on Mind Evolutionary Computation...
Due to increased adoption of digital consumer services, Mobile Ad-hoc Networks (MANETs) are gaining importance in real-life business applications. MANETs are wireless networks consisting of a set of mobile nodes and enables multi-hop peer-to-peer routing without any requirement of predefined infrastructure for its deployment. There are several works in literature for improving the Quality of Service...
Due to the progress of network multimedia technology, a majority of real-time multimedia applications need multicast communication to transmit information. These applications require a multicast routing protocol in which packets arrive to multicast receptors within a specified QOS guaranteed. D2V-RPS's problem (delay and delay variation RP Selection) consists in choosing an optimal multicast router...
Merging IP routing and mobile communication poses many challenges especially for a dynamic, heterogeneous networking environment such as a Naval Task Force. In this paper, we present an effort to design, develop, test and demonstrate an interoperable coalition interface for a Naval Task Force for the four-nation Coalition Networks for Secure Information Sharing (CoNSIS) project. A field experimentation...
IP/MPLS based ASON/GMPLS networks enable the interaction between the IP layer and the optical WDM layer. Furthermore, it decouples the physical topology from the dynamically created IP topology, which is called Virtual Topology. In this network architecture, there are two known routing policies, they are the Physical Topology First (PTF) and Virtual Topology First (VTF). PTF and VTF are different...
Wireless Multimedia Sensor Networks (WMSNs) is a novel information acquiring and processing technology which is more competent than traditional sensor networks in transferring and processing of huge amount of multimedia information data, such as audio, video, images and so on. It plays critical role in application in civil, military and commercial fields. In this paper, a Non-control sorting method...
In this paper, we present a new vehicular paging procedure for fast selection of vehicular relay node cells on access link to connect seamlessly vehicles equipped with an Long Term Evolution (LTE) communication module to the infrastructure. The proposed Radio Resource Control (RRC) protocols allows fast radio bearer setup in the Vehicular User Equipment (V-UE) without need to re-establish the Access-Stratum...
This paper proposes a proof-of-concept demonstration of the hierarchical routing management (HRM) system as a new routing management approach for application requirement oriented routing. Its main goal is the improvement of packet routing in order to optimize networks for future multimedia streaming. Application data streams are directed by the HRM system along paths, which provide only those network...
A recent trend in routing research is to avoid inefficiencies in network level routing by allowing hosts to either choose routes themselves (e.g., source routing) or use overlay routing networks. Such end-to-end route selection schemes are selfish by nature, in that they allow end users to greedily select routes to optimize their own performance without considering the system-wide criteria. Recent...
In this paper we investigate the network lifetime maximization problem in a delay-tolerant wireless sensor network with a mobile sink by exploiting a nontrivial tradeoff between the network lifetime and the data delivery delay. We formulate the problem as a joint optimization problem that consists of finding a trajectory for the mobile sink and designing an energy-efficient routing protocol to route...
Networks-on-Chip have shown their scalability for future many-core systems on chip. In real world scenarios, concurrent applications with different QoS requirements affect each other through overlapping communication. Therefore computation resources may not be efficiently utilized because the required communication resources are already occupied. Hence, an efficient resource management strategy is...
A mobile ad hoc network (MANET) consists of mobile wireless nodes. The communication between these mobile nodes is carried out without any centralized control. The ease of deployment and the infrastructure less nature of Mobile Ad hoc Networks (MANETs) make them highly desirable for the present day multi media communications. Traditional routing protocols may not suffice for real time communications...
A multicommodity Minimum-Cost Maximum-Flow algorithm for routing multiple unicast traffic flows in infrastructure wireless mesh networks, represented as commodities to be routed in an undirected or directed graph, is presented. The routing-cost per edge can be any metric, i.e, a delay, a SNR, etc. To minimize resource-usage and transmission power, the routing-cost is formulated as a Bandwidth-Distance...
In this paper, we investigate a cross layer design for routing in mobile ad hoc networks. The goal is to improve the performance of the existing Ad-hoc On Demand Distance Vector (AODV) routing protocol. The design allows the physical layer sharing the received signal strength (RSS), and the medium access control (MAC) layer sharing the remaining energy, as well as the remaining queue length information...
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