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IEEE/CIC International Conference on Communications in China

作者： Qing Cai Weigang Hou Cunqian Yu Pengchao Han Lincong Zhang Lei Guo College of Information Science and Engineering Northeastern University

ISBN: (纸本)9781479941452

As a nanometer level network-on-chip with the optical interconnection, the Optical Network-on-Chip (ONoC) was first proposed in 2006 in order to reduce the power consumption of the inter-chip communication. Because ONoC is typically characterized by low latency, high bandwidth and low power consumption, it has become more and more attractive. Compared with the 2-Dimensional (2D) design, the 3D integration technology has a higher packing density, a shorter wire length and the less power consumption. Therefore, the 3D ONoC will have the great potential in the future. In this paper, we first discuss and study the ONoC, and we then design the 3D mesh ONoC from the perspectives of topology, routing and communication protocol, with the help of 3D integration advantages. We setup a simulation platform by using OPNET in order to compare the performances of 2D and 3D mesh ONoCs in terms of the average delay and the data packet loss rate. The simulation results demonstrate that our 3D mesh ONoC is actually effective.

关键词： routing algorithm OPNET Optical network-on-chip 3D integration technology

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Topology Design and algorithm Analysis of VBCC in Hybrid Data Center Network

Topology Design and Algorithm Analysis of VBCC in Hybrid Dat...

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IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)

作者： Han, Zhijie Lu, Jialiang Du, Xiaoyu Henan Univ Software Coll Kaifeng Henan Peoples R China Henan Univ Sch Comp & Informat Engn Kaifeng Henan Peoples R China

ISBN: (纸本)9781450391870

With the development of cloud technology and people's needs, many applications need to be supported by data centers. Therefore, excellent network topology is needed to meet the requirements of high bandwidth, low delay and stable network *** center network is divided into wired network and wireless network. This paper presents a topology design method for the hybrid data center network VBCC by setting up wireless VLC links in the BCCC of wired data center network. It combines the advantages of wired and wireless data centers. Through property analysis, it has more link selection and fewer routing hops, and has stronger scalability. Finally, a unicast and multicast algorithm based on VBCC is presented.

关键词： data center network hybrid links average node degree routing algorithm

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DTDOR: An Efficient routing algorithm for Torus Networks

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INTERNATIONAL JOURNAL OF FUTURE GENERATION COMMUNICATION AND NETWORKING 2014年第4期7卷 71-80页

作者： Wang, Xinyu Li, Nan Dongbei Univ Finance & Econ Coll Management Sci & Engn Dalian Peoples R China

Many different factors, such as topology, routing technique, selection function, flow control policy, complexity of router design, contribute to the performance of networks on chip (NoCs). Among these factors, the choice of topology and routing function has a significant effect on the average packet latency and saturation behavior. Torus is popular in many application domains, while the problem of virtual channel misbalance caused by its deadlock avoidance scheme brings lots of performance pathologies. In this paper, we present a novel deadlock avoidance scheme based on draining scheme, and propose a deadlock-free routing scheme for torus networks. We quantify the effects of the proposed routing scheme on the overall network performance by presenting simulation results for 1-D torus and 2-D torus NoCs. Experimental results show that the novel routing algorithm for torus networks could make more efficient use of virtual channel resources, and hence cutting down packet latency and boosting throughput. Note although this paper has considered 1-D and 2-D torus networks in the experimental evaluation, the new scheme is flexible enough to support highradix torus networks.

关键词： networks on chip torus deadlock avoidance scheme draining scheme routing algorithm

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Oriented Crossover in Genetic algorithms for Computer Networks Optimization

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INFORMATION 2023年第5期14卷 276页

作者： Rabee, Furkan Hussain, Zahir M. Univ Kufa Fac Comp Sci & Math Najaf 540011 Iraq Edith Cowan Univ Sch Engn Joondalup WA 6027 Australia

Optimization using genetic algorithms (GA) is a well-known strategy in several scientific disciplines. The crossover is an essential operator of the genetic algorithm. It has been an active area of research to develop sustainable forms for this operand. In this work, a new crossover operand is proposed. This operand depends on giving an elicited description for the chromosome with a new structure for alleles of the parents. It is suggested that each allele has two attitudes, one attitude differs contrastingly with the other, and both of them complement the allele. Thus, in case where one attitude is good, the other should be bad. This is suitable for many systems which contain admired parameters and unadmired parameters. The proposed crossover would improve the desired attitudes and dampen the undesired attitudes. The proposed crossover can be achieved in two stages: The first stage is a mating method for both attitudes in one parent to improving one attitude at the expense of the other. The second stage comes after the first improvement stage for mating between different parents. Hence, two concurrent steps for improvement would be applied. Simulation experiments for the system show improvement in the fitness function. The proposed crossover could be helpful in different fields, especially to optimize routing algorithms and network protocols, an application that has been tested as a case study in this work.

关键词： genetic algorithm uniform crossover network protocol optimization routing algorithm optimization oriented crossover

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The Dataset for Optimal Circulant Topologies

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BIG DATA AND COGNITIVE COMPUTING 2023年第2期7卷 80页

作者： Romanov, Aleksandr HSE Univ Moscow 101000 Russia

This article presents software for the synthesis of circulant graphs and the dataset obtained. An algorithm and new methods, which increase the speed of finding optimal circulant topologies, are proposed. The results obtained confirm an increase in performance and a decrease in memory consumption compared to the previous implementation of the circulant topologies synthesis method. The developed software is designed to generate circulant topologies for the construction of networks-on-chip (NoCs) and multi-core systems reaching thousands of computing nodes. The developed software makes it possible to achieve high performance on an ordinary research workstation commensurate with similar solutions created for a supercomputer. The use cases of application of the created software for the analysis of routing algorithms in circulants and the regression analysis of the generated dataset of graph signatures to predict the characteristics of graphs of any size are described.

关键词： circulant graph circulant topologies dataset routing algorithm network-on-chip supercomputing

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routing algorithm for Multi-FPGA Based Systems Using Multi-Point Physical Tracks

Routing Algorithm for Multi-FPGA Based Systems Using Multi-P...

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International Symposium on Rapid System Prototyping / Embedded Systems Week

作者： Tang, Qingshan Mehrez, Habib Tuna, Matthieu Univ Paris 06 Lab Informat Paris 6 Paris France Flexras Technol Paris France

ISBN: (纸本)9781479924097

Multi-FPGA boards suffer from large timing delays in inter-FPGA physical tracks compared to intra-FPGA track delays, as well as a limited bandwidth between FPGAs due to the limited number of I/Os per FPGA. In order to tackle this problem, an algorithm which routes multi-terminal nets in multi-point tracks is proposed in this paper to spare FPGA I/Os. Experiments are conducted using Gaisler Research Benchmarks. Firstly, each testbench will be implemented in an off-the-shelf board. The results show that the system frequency can be increased in the off-the-shelf board by the proposed routing algorithm. Secondly, an automatic design flow which generates a custom multi-FPGA board is enhanced by generating multi-point tracks in the board, and each testbench will be implemented with the proposed routing algorithm in custom boards. The results show that the system frequency is improved in the custom board with both 2- and multi-point tracks.

关键词： Multi-Terminal Net routing algorithm Multi-FPGA Multi-Point Physical Tracks

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routing design in optical networks-on-chip based on gray code for optical loss reduction

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OPTIK 2021年 228卷 166198-166198页

作者： Seyednezhad, Rogaieh Derakhshanfard, Nahideh Heikalabad, Saeed Rasouli Islamic Azad Univ Dept Comp Engn Tabriz Branch Tabriz Iran

An advanced electronics world and enhanced capability in nanoscale circuitry design require optimal integration in the design of electronic systems. Efforts are still being made to design and build integrated systems. In the old solutions, interconnections were established using the structure of buses. Bus-based solutions have lost their effectiveness against the demand for new technologies as a result of an increased number of circuits. Traffic was limited and, in some cases, even blocked by the buses. Systems-on-chip try to integrate processor, communication, and interface cores into one chip. One of the challenges facing this integration is routing between these cores. In networks-on-chip, bus-based structures have been replaced with networks very similar to computer networks. Communication is made between different parts by sending data packets through this network. Optical networks-on-chip include a new generation of chip-based networks, proposed as a new solution to the chip multiprocessor communications infrastructure, as well as a different solution to overcome the limitations of chip-based networks. Important features of these networks include increased communication bandwidth, reduced transmission latency, and reduced power consumption. They also face several challenges, such as routing for optical data transmission over optical layers. The current research proposes a routing algorithm based on mesh topology and gray code, which uses a packet switching method and a random traffic pattern to improve routing. The newly proposed method can select the different source and destination nodes by choosing the path with the lowest optical loss. A comparison between the result of the reduction in the optical loss in the proposed routing algorithm and that of the dimensional sequential algorithm shows a 40 % improvement in the proposed method.

关键词： Networks-on-chip routing algorithm Optical loss Gray code

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Learning-based hybrid routing for scalability in software defined networks

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COMPUTER NETWORKS 2021年 198卷 108362-108362页

作者： Nayyer, Amit Sharma, Aman Kumar Awasthi, Lalit Kumar Himachal Pradesh Univ Dept Comp Sci Shimla Himachal Prades India Natl Inst Technol Dept Comp Sci & Engn Hamirpur Himachal Prades India Natl Inst Technol Jalandhar Punjab India

Software Defined Network is an emerging paradigm in computer networks. The separation of the control plane from the forwarding plane in this arrangement has different aspects. This splitting provides many advantages like easy manageability and configuration. Along with benefits, various issues specific to this paradigm also arise. routing management in such a paradigm deals with diverse concerns, objectives, and parameters before selecting the best route. Reinforcement Learning has already proven its strength in distinct fields like business, industry automation, gaming, algorithms, etc. Even routing in a network can also be made efficient using concepts defined in reinforcement learning. In this paper, routing within a controller's area is modeled, keeping scalability in mind;and an optimal solution is provided using learning. Both proactive and reactive approaches are used for flow installation, and the link load is utilized optimally. The area under a particular controller is efficiently routed, and it tweaks the network. Q-learning model helps to learn the optimal path and provide the best route in case of a failure. Once the learning completes, the model works on it. Preliminary evaluation depicts that improvement of 78%, 58%, and 47 % is achieved for the number of messages generation when compared with other already exiting solutions for routing in Software Defined Networks.

关键词： Control plane Reinforcement learning routing algorithm Scalability Software defined network

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An Improved Trust Based Energy Efficient routing Protocol for Wireless Sensor Networks

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JOURNAL OF INTERNET TECHNOLOGY 2021年第7期22卷 1509-1516页

作者： Loret, J. B. Shajilin Kumar, T. Ganesh Francis Xavier Engn Coll Dept Informat Technol Tirunelveli India Galgotias Univ Sch Comp Sci & Engn Greater Noida India

Wireless Sensor Networks (WSNs) is emerged as a promising technology in wireless networks and is considered as an effective research area because of its wide scope of applications in networking. Wireless Sensor Networks are a form of self-organizing networks with limited energy and communication ability. The limited power batteries in sensor nodes, it is very difficult and expensive to extend network lifetime for wireless sensor networks. It is one of the main essential issues in WSNs is to use an energy efficient routing protocol to extend the network lifetime. In this paper, we propose an Improved Trust based Energy Efficient routing Protocol (ITEERP) which includes energy efficiency in the network and trust is ensured in routing with minimal delay. The ITEERP is used for finding the optimal trusted path between the source and destination by using the weighted trust value of individual sensor node and cluster head. The periodic end-to-end trust evaluation is done between two SNs and between two CHs. Each SN is responsible to report its trust evaluation to other neighbor SNs, in the same cluster to its CH. An achieves a reliable secured data transmission in WSNs and also extends the network lifetime of a network.

关键词： Wireless sensor networks routing algorithm Energy efficient network

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VHCN : A Hybrid Data Center Network Based on VLC Link

VHCN : A Hybrid Data Center Network Based on VLC Link

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IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)

作者： Han, Zhijie Yang, Yang Du, Xiaoyu Henan Univ Software Coll Kaifeng Henan Peoples R China Henan Univ Sch Comp & Informat Engn Kaifeng Henan Peoples R China

ISBN: (纸本)9781450391870

With the development of cloud computing, the importance of data center increases. The traditional data center network is divided into two types. The wired data center network has poor scalability because of the limited number of server ports and equipment costs. Wireless data center network is often regulated by mechanical equipment, resulting in large delays and costs. This paper proposes a hybrid data center network VHCN based on VLC(visible light communication) link, Firstly, compared with the wireless data center network, VHCN does not need external objects and mechanical equipment, and VLC links are plug and play. Secondly, compared with the wired data center network HCN, VHCN does not change the original topology rules of HCN, and VHCN has higher fault tolerance and lower average path length under the same conditions. Finally, this paper proves a unicast and multicast routing algorithm.

关键词： Data center Data center network High fault tolerance routing algorithm

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