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The Fast ReRoute flow-based model has been improved, where the node and link protection schemes in the linear form were formulated with the implementation of single path and multipath routing strategies. The use of linear-quadratic optimality criterion was substantiated, and the system hierarchy relations of weight coefficients in the objective function were determined with the aim to ensure maximum...
Flow-Aware Multi-Topology Adaptive Routing (FAMTAR) is a new mechanism which provides the ability to use multiple paths between two points in a network. When the primary path becomes congested, a new path is found and used. However, when all possible paths are congested, new flows are still accepted on one of the congested paths which degrades the observed quality of service. Therefore, in this paper,...
Recent work in mobile ad hoc network routing protocol development has demonstrated how global route discovery can be performed more efficiently by leveraging the known topology of each node's local surrounding area. In this paper, we proposed a hybrid routing scheme based on a dynamic clustering algorithm. The adaptive clustering algorithm deals with mobility, transmit power conservation and improving...
Through sensing and utilizing available network resources, cognitive network can obviously increase network performance. In this paper, a distributed on-demand routing protocol with traffic awareness (TACR) is proposed for cognitive wireless network. This routing protocol establishes the path based on the cognition and reasoning of traffic loads in a network and it also meet quality of service (QoS)...
This paper presents an implementation of the PGBR routing protocol within the ns-3 simulator. Broadband convergence networks can offer a solution for multiple service classes through integrated heterogeneous networks. However, to prepare this for the future variability in traffic demand, a dynamic routing protocol that enhances scalability, QoS awareness, and easy roadmap to deployment if necessary...
Most network operators have considered reducing Label Switched Routers (LSR) label spaces (i.e. the number of labels that can be used) as a means of simplifying management of underlaying Virtual Private Networks (VPNs) and, hence, reducing operational expenditure (OPEX). This letter discusses the problem of reducing the label spaces in Multiprotocol Label Switched (MPLS) networks using label merging...
A principal factor in sensor network design is energy efficiency. In this work, we propose to extend the lifetime of sensor networks using appropriate choice of sensor node distribution. The key idea of our scheme is to deploy more nodes in areas of extensive energy usage. Using this scheme of sensor node distribution, we use probabilistic angular routing to route data packets from the sensor nodes...
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