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In this paper, for the purpose of supporting an end-to-end business process with guaranteeing the quality of transmission (QoT) of signal in multi-domain heterogeneous software defined optical networks, we emphatically design routing and spectrum assignment (RSA) algorithm to establish optical paths and allocate spectrum resources. The simulation results verified that compared with distributed scheme,...
Pub/Sub model with the characteristics of loose coupling, fully information sharing, many-to-many communication and flexible resources reorganization is suitable for Message-Oriented Middleware's information exchanging on Telemetry and Command(TT&C) computers. According to the disadvantage of traditional model of message-Oriented Middleware(point-to-point, message queue, shared memory), An architecture...
Wireless infrastructures have seen a drastic increase in energy requirements as technology shifted towards higher frequencies in an attempt to increase bandwidth. Driven by the increase in demand from an always increasing subscriber base, large cities are also demanding more base stations and access points to guarantee adequate quality of service. Mobile peer networking is a possible solution for...
The path computation element architecture has been proposed to separate forwarding and routing functionality in small-scale connection-oriented networks, such as MPLS, GMPLS, and ASON. If routing is performed by dedicated units, more sophisticated methods, such as multi-constraint QoS routing, may be implemented than currently widespread practices (i.e. OSPF, IS-IS, BGP, etc.). In this paper, we present...
Traffic simulation based on multi-agents is popular for modern traffic issues. An intersection-centric routing algorithm of traffic simulation system is proposed by us before. When simulating vehicles in a large scale, controllable priority is important for urgent or special vehicles. Priority guarantee should be considered into algorithm. Algorithm could run on intersection for priority. Referenced...
IEEE P1900.4 is an emerging standard for optimized radio resource utilization where cognitive radio technologies are used for efficient spectrum utilization. In this paper, we design and implement a cognitive wireless network system based on open documents of IEEE P1900.4, and evaluate its performance using UDP streaming and HTTP download. Our experiments show interesting results that total network...
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...
In this paper, we introduce a pricing model that ensures efficient resource allocation that provides guaranteed quality of service while maximizing profit in multiservice networks. Specifically, a dynamic allocation policy is examined that relies on online measurements while each service class operates under a probabilistic bound delay constraint. We present a rigorous analysis of the properties of...
The next generation Internet will be highly diversified in both underlying networking technologies and supported networking applications. The diversified Internet architecture requires effective collaboration among heterogeneous network domains to support various application requirements. One of the challenges to achieve this objective lies in enabling network domain collaboration and network-application...
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