The paper presents a pragmatic and practical multilayer network planning approach based on a candidate lightpath auxiliary graph model. The paper discusses, how this approach can be applied to offline network planning...
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ISBN:
(纸本)9781943580071
The paper presents a pragmatic and practical multilayer network planning approach based on a candidate lightpath auxiliary graph model. The paper discusses, how this approach can be applied to offline network planning as well as dynamic planning and provisioning of services.
We propose Optical Circuit Switching for dynamically creating reconfigurable partitions in large-scale systems with Dragonfly networks. Up to 2x execution-time improvement is demonstrated for global traffic patterns i...
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ISBN:
(纸本)9781943580071
We propose Optical Circuit Switching for dynamically creating reconfigurable partitions in large-scale systems with Dragonfly networks. Up to 2x execution-time improvement is demonstrated for global traffic patterns in a >13,000-node system using a production-grade network simulator.
All-optical multicasting with a single light-tree suffers inefficient distance-adaptive spectrum allocation from its large tree-spanning size. We propose a routing modulation format and spectrum allocation (RMSA) algo...
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ISBN:
(纸本)9781943580071
All-optical multicasting with a single light-tree suffers inefficient distance-adaptive spectrum allocation from its large tree-spanning size. We propose a routing modulation format and spectrum allocation (RMSA) algorithm based on sub-tree scheme to improve spectrum utilization.
With this paper we bring forward a composite network of VANET and cellular network. The benefits of this composite network consist of firstly the high speed of transmission of VANET and secondly the large scale cellul...
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ISBN:
(纸本)9781509035434
With this paper we bring forward a composite network of VANET and cellular network. The benefits of this composite network consist of firstly the high speed of transmission of VANET and secondly the large scale cellular system. Also, this network overcomes the drawbacks of the cellular and ad-hoc network. For maintaining several features of ITS (Intelligent Transportation System) applications routing in the heterogeneous network has become a significant area of research in VANET. Without any extra network price, we are advancing a routing method for hybrid networks. The results demonstrate that the said routing algorithm has minimized the transmission time and request block rate.
We present a reconfigurable dragonfly architecture for High-Performance-Computing (HPC) systems leveraging optical-circuit-switching. An SDN control plane monitors network traffic characteristics and optimizes the con...
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ISBN:
(纸本)9781943580071
We present a reconfigurable dragonfly architecture for High-Performance-Computing (HPC) systems leveraging optical-circuit-switching. An SDN control plane monitors network traffic characteristics and optimizes the connectivity. Software-controlled reconfiguration of the optically interconnected topology is experimentally demonstrated.
Wireless Body Area Network (WBAN) is a small-scaled sensor network consisting of a series of medical devices attributed to, around, or implanted in a human body, providing continuous monitoring by different sensors to...
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Wireless Body Area Network (WBAN) is a small-scaled sensor network consisting of a series of medical devices attributed to, around, or implanted in a human body, providing continuous monitoring by different sensors to collect vital signals or motion and GPS. This paper proposes an effective routing algorithm to balance the energy consumption within a WBAN in order to prolong the overall lifetime of the network, called dynamic routing algorithm (DRA) and its improved version based on a multipath choice mechanism. Theoretical analysis and simulation result are demonstrated to evaluate the performance of the algorithm and represent that energy consumption of sensors in the network is reasonably scheduled and life cycle of the network is significantly extended. The routing algorithm proposed in this paper may be potentially applied to significantly save energy of multiple types of sensors during vital signals aggregating and transmitting under the WBAN.
Network function virtualization (NFV) enabled software defined optical transport networks are first designed to implement the virtualization of control and node function, and virtualization solution is demonstrated to...
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ISBN:
(纸本)9781943580071
Network function virtualization (NFV) enabled software defined optical transport networks are first designed to implement the virtualization of control and node function, and virtualization solution is demonstrated to verify the overall feasibility and efficiency.
In the last years, several projects are emerged with the aim to addressing the challenge of providing solutions for deployment, monitoring, adaptation, and management of clouds belonging to different enterprises/organ...
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ISBN:
(纸本)9781509016631
In the last years, several projects are emerged with the aim to addressing the challenge of providing solutions for deployment, monitoring, adaptation, and management of clouds belonging to different enterprises/organisations. In such scenarios the network connectivity is one of the key factors. SDN technologies represent a good solution to face this challenge. Separating the control plane from the data plan, they can supply the cloud provider with the opportunity to specify on-the fly both the network topologies and routing schemes, guaranteeing, at same time, specific level of isolation. ASSDN, the framework presented in this paper, represents the first attempt to face this kind of issue. Driving the SDN controllers of all the Network Providers involved, it allows to create, handle and monitor virtual networks that are able to span across several heterogeneous cloud environments so to guarantee specific level of QoS.
Currently, wireless sensor networks (WSNs) are used in many applications, namely, environment monitoring, disaster management, industrial automation, and medical electronics. Sensor nodes carry many limitations like l...
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Currently, wireless sensor networks (WSNs) are used in many applications, namely, environment monitoring, disaster management, industrial automation, and medical electronics. Sensor nodes carry many limitations like low battery life, small memory space, and limited computing capability. To create a wireless sensor network more energy efficient, swarm intelligence technique has been applied to resolve many optimization issues in WSNs. In many existing clustering techniques an artificial bee colony (ABC) algorithm is utilized to collect information from the field periodically. Nevertheless, in the event based applications, an ant colony optimization (ACO) is a good solution to enhance the network lifespan. In this paper, we combine both algorithms (i.e., ABC and ACO) and propose a new hybrid ABCACO algorithm to solve a Nondeterministic Polynomial (NP) hard and finite problem of WSNs. ABCACO algorithm is divided into three main parts: (i) selection of optimal number of subregions and further subregion parts, (ii) cluster head selection using ABC algorithm, and (iii) efficient data transmission using ACO algorithm. We use a hierarchical clustering technique for data transmission;the data is transmitted from member nodes to the subcluster heads and then from subcluster heads to the elected cluster heads based on some threshold value. Cluster heads use an ACO algorithm to discover the best route for data transmission to the base station (BS). The proposed approach is very useful in designing the framework for forest fire detection and monitoring. The simulation results show that the ABCACO algorithm enhances the stability period by 60% and also improves the goodput by 31% against LEACH and WSNCABC, respectively.
Existing networks deemed as complex system merged with many wireless communication networks. Traditional routing algorithm may not be sufficient to meet such complex data transmission from the source nodes to the sink...
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ISBN:
(纸本)9781509008889
Existing networks deemed as complex system merged with many wireless communication networks. Traditional routing algorithm may not be sufficient to meet such complex data transmission from the source nodes to the sink nodes. Therefore, serious studying and investigation for traffic performance and congestion over complex networks seem to be an urgent challenge. Data propagation over complex networks without adopting a finest routing techniques might lead to more network congestion or deterioration in the worst case. Shortest path (SP) routing method has been widely used for its simplicity and efficiency. In this paper network performance based on SP, has been studied, investigated and evaluated. Therefore, we have proposed the new routing algorithm based on weighted nodes and paths. Our novel proposed algorithm proved its capability to preserve high throughput and low latency compared to the SP technique. Also, we have introduced the framework of applying differential evolution which enhances the overall performance of the complex networks.
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