Academic literature on the topic 'Network topology discovery'

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Journal articles on the topic "Network topology discovery"

1

Jian, Feng, and Zhu Li. "WebNMS-Based Topology Discovery in EPON Network." International Journal of Future Generation Communication and Networking 6, no. 6 (2013): 161–68. http://dx.doi.org/10.14257/ijfgcn.2013.6.6.17.

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2

FU, Hua Sen. "Practical Enhanced Topology Discovery Algorithm for MANET." Advanced Materials Research 760-762 (September 2013): 599–606. http://dx.doi.org/10.4028/www.scientific.net/amr.760-762.599.

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In order to effectively manage the communication nodes in Mobile Ad Hoc Network (MANET), it is important to know the topology of such networks. Traditional Ad-hoc On-demand Distance Vector (AODV) protocol can not get the MANET topology due to the lack of the topology discovery mechanism. Aiming at this problem, an enhanced topology discovery algorithm based on AODV (AODV-TD) is proposed. AODV-TD can not only obtain the topology of dynamic network by topology discovery request, but also realize route discovery among nodes. Finally, the proposed algorithm is implemented on a hardware platform using CC1100, and the experiment results show that, even the network changes dynamically, AODV-TD can still discover the network topology rapidly and accurately, so that contribute to reducing the route discovery time and the RREQ forwarding packets.
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3

Ge, Jian Xia, and Wen Ya Xiao. "Network Layer Network Topology Discovery Algorithm Research." Applied Mechanics and Materials 347-350 (August 2013): 2071–76. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.2071.

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Along with the development of the network information age, people on the dependence of the computer network is more and more high, the computer network itself the security and reliability of becomes very important, the network management put forward higher request. This paper analyzes two algorithms of the network layer topology discovery based on the SNMP and ICMP protocol, based on this, this paper puts forward a improved algorithm of the comprehensive two algorithm, and makes the discovery process that has a simple, efficient, and has a strong generalization, and solved in the discovery process met the subnet judge, multiple access routers identification.
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4

Ge, Jian Xia, and Wen Ya Xiao. "Network Layer Network Topology Discovery Algorithm Research." Applied Mechanics and Materials 380-384 (August 2013): 1327–32. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.1327.

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Abstract:
Along with the development of the network information age, people on the dependence of the computer network is more and more high, the computer network itself the security and reliability of becomes very important, the network management put forward higher request. This paper analyzes two algorithms of the network layer topology discovery based on the SNMP and ICMP protocol, based on this, this paper puts forward a improved algorithm of the comprehensive two algorithm, and makes the discovery process that has a simple, efficient, and has a strong generalization, and solved in the discovery process met the subnet judge, multiple access routers identification.
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5

Zhao, Ruiqin, Yuan Liu, Octavia A. Dobre, Haiyan Wang, and Xiaohong Shen. "An Efficient Topology Discovery Protocol with Node ID Assignment Based on Layered Model for Underwater Acoustic Networks." Sensors 20, no. 22 (2020): 6601. http://dx.doi.org/10.3390/s20226601.

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Underwater acoustic networks are widely used in survey missions and environmental monitoring. When an underwater acoustic network (UAN) is deployed in a marine region or two UANs merge, each node hardly knows the entire network and may not have a unique node ID. Therefore, a network topology discovery protocol that can complete node discovery, link discovery, and node ID assignment are necessary and important. Considering the limited node energy and long propagation delay in UANs, it is challenging to obtain the network topology with reduced overheads and a short delay in this initial network state. In this paper, an efficient topology discovery protocol (ETDP) is proposed to achieve adaptive node ID assignment and topology discovery simultaneously. To avoiding packet collision in this initial network state, ETDP controls the transmission of topology discovery (TD) packets, based on a local timer, and divides the network into different layers to make nodes transmit TD packets orderly. Exploiting the received TD packets, each node could obtain the network topology and assign its node ID independently. Simulation results show that ETDP completes network topology discovery for all nodes in the network with significantly reduced energy consumption and short delay; meanwhile, it assigns the shortest unique IDs to all nodes with reduced overheads.
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6

Wazirali, Raniyah, Rami Ahmad, and Suheib Alhiyari. "SDN-OpenFlow Topology Discovery: An Overview of Performance Issues." Applied Sciences 11, no. 15 (2021): 6999. http://dx.doi.org/10.3390/app11156999.

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Software-defined networking (SDN) is an innovative architecture that separates the control plane from the data plane to simplify and speed up the management of large networks. This means the control logic has been moved from the network hardware level to the centralized control management level. Therefore, the use of the OpenFlow Discovery Protocol (OFDP) is one of the most common protocols used to discover the network topology in a data plane and then transmit it to the control plane for management. However, OFDP has various shortcomings in its performance such as exchanging too many messages between both levels (control and data), which in turn increases the load on the SDN-Controller. Additionally, since the application layer depends entirely on the network topologies plotted in the control plane, it is very important to obtain accurate network topology information from data plane. Therefore, after providing background on topology discovery protocols to the reader, we will concentrate on performance issues. The present study identifies and discuss the primary concerns involved in the complex query process, infrastructure, influencing factors, and challenges for the topology discovery process. Furthermore, this paper will present several recent studies that have overcome and enhanced these issues. In addition, open discussion and future work concerning these issues are also discussed.
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7

He, Hui, Chi Xin Li, and Cheng Ying Gong. "Network Topology Discovery Algorithm Based on MIB." Applied Mechanics and Materials 496-500 (January 2014): 2134–37. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.2134.

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Network topology is the core of configuration management and the infrastructure of resource management.And it is based on the detection of a network failure and the analysis of network performance.This requires the network topology complete, accurate and friendly interface with visualization.This article describes the classification of the physical network topology discovery.Based on Bridge-MIB and MIB-II of SNMP devices, designed topology discovery algorithm in data link layer and network layer.Test results show that the algorithm can accurately find the device and connection on the network layer and the data link layer.
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8

Wenxing, Liao, Shi Xiaofei, and Chen Xinying. "The impacts of weak links on topology discovery process in large-scale wireless multi-hop networks." International Journal of Distributed Sensor Networks 16, no. 11 (2020): 155014772097452. http://dx.doi.org/10.1177/1550147720974526.

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In wireless multi-hop networks, especially large-scale wireless multi-hop networks, obtaining the network topology is of vital significance. In fact, in both proactive and reactive routing protocols, before establishing an appropriate end-to-end route, the source node needs to obtain the global or local topology. Our previous research has studied the impacts of weak links on reactive routing protocols, which can also be considered as local topology discovery process. In this article, in order to get insight of the impacts of weak links on topology discovery process, especially the global topology discovery on which the proactive routing protocols rely, we apply a Markov chain to model the most common used topology discovery process in large-scale wireless multi-hop networks. Considering the fading characteristics of wireless channel, we analyze the impacts of weak links on topology discovery algorithms. Simulation and theoretical results show that, with the increase in the network scale, the weak links have great impacts on the stability and even on the feasibility of wireless multi-hop networks.
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9

LIAO chunsheng. "Complex Network Based Computer Network Topology Discovery Optimization Algorithm." Journal of Convergence Information Technology 8, no. 9 (2013): 348–55. http://dx.doi.org/10.4156/jcit.vol8.issue9.44.

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10

Chen, Song, Shan Wang, and Ming-tian Zhou. "A New Physical Network Topology Discovery Algorithm." JOURNAL OF ELECTRONICS INFORMATION & TECHNOLOGY 2010, no. 1 (2010): 172–77. http://dx.doi.org/10.3724/sp.j.1146.2008.01783.

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