SDNMesh: An SDN Based Routing Architecture for Wireless Mesh Networks

Gilani, Syed Sherjeel A.; Qayyum, Amir; Rais, Rao Naveed Bin; Bano, Mukhtiar

doi:10.1109/access.2020.3011651

Cited by 29 publications

(16 citation statements)

References 32 publications

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“…It is one of the better solutions to minimize packet interaction in the process of routing or topology discovery. Therefore, the SDN-based networking strategies 16 can reduce the distributed packet interaction, which helps to improve the feasibility and stability of the wireless multi-hop networks to a certain extent.…”

Section: Resultsmentioning

confidence: 99%

“…Although with the notice of such impacts, researchers mainly focus on designing mechanisms to deal with weak links [8][9][10][11] and propose evaluation model for wireless multi-hop network. 12 The power control method, 13 artificial intelligence (AI)-based link quality prediction, 14,15 softwaredefined networking (SDN) 16 architecture, and multichannel mechanism 17 are applied to deal with the weak link problems and good results have been achieved. However, the innate characters and how the weak links affect the topology discovery are seldom researched.…”

Section: Topology Updatementioning

confidence: 99%

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The impacts of weak links on topology discovery process in large-scale wireless multi-hop networks

Wenxing

Shi

Chen

2020

International Journal of Distributed Sensor Networks

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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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Section: Resultsmentioning

confidence: 99%

Section: Topology Updatementioning

confidence: 99%

The impacts of weak links on topology discovery process in large-scale wireless multi-hop networks

Wenxing

Shi

Chen

2020

International Journal of Distributed Sensor Networks

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“…In particular, to communicate with the controller, an application uses northbound API such as RESTful, while southbound API such as OpenFlow is used for communication between a controller and data plane devices. OpenDaylight, Floodlight, Ryu, and POX are commonly used controllers [9]. Whenever the first packet of a flow is received by the SDN node (implemented with the OpenFlow protocol), the node then queries the controller to get the forward path for the received flow, the controller installs the appropriate rules in the node firmware.…”

Section: Figure 1 Software-defined Networking (Sdn) Architecturementioning

confidence: 99%

Soft-Mesh: A Robust Routing Architecture for Hybrid SDN and Wireless Mesh Networks

et al. 2021

Self Cite

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Wireless Mesh Networks (WMNs) are considered self-organizing, self-healing, and self-configuring networks.Despite these exciting features, WMNs face several routing challenges including scalability, reliability and link failures, mobility, flexibility, and other network management issues. To address these challenges, WMNs need to make programmable to allow modifications of standard techniques to be configured and implemented through software programs that can be resolved by integrating Software Defined Networking (SDN) architecture. SDN, being a cutting-edge technology promises the facilitation of network management as well as routing issues of wireless mesh networks. However, the evolution of the legacy IP-based network model in its entirety leads to technical, operational, and economic problems that can be mitigated by full interoperability between SDN and existing IP devices. This study introduces a Robust Routing Architecture for Hybrid Software-Defined and Wireless Mesh Networks (Soft-Mesh), by systematic and gradual transitioning of WMNs to SDNs in an efficient manner. The main objective of this paper is to suggest improvements to the architecture of the SDN node that allow the implementation of various network functions such as routing, load balancing, network control, and traffic engineering for the hybrid SDN and IP networks. Mininet-WiFi Simulator is used to perform various experiments to evaluate the performance of proposed architecture by creating a hybrid network topology with a varying number of nodes that is 50, 100, 150, 200, and 250 including SDN hybrid and legacy nodes with varying proportion of SDN hybrid and legacy nodes. Results are taken for the average UDP throughput, end-to-end delay, packet drop ratio, and routing overhead while comparing with traditional routing protocols including Optimized Link State Routing (OLSR) and Better Approach to Mobile Adhoc Networking (BATMAN) and with existing hybrid SDN/IP routing architectures including Hakiri and wmSDN. The analysis of simulation results shows that the proposed architecture Soft-Mesh outperforms in terms of the aforementioned performance metrics than the traditional and exiting hybrid routing protocols. Soft-Mesh gives 50% to 70% improved results concerning the incremental proportion of SDN hybrid nodes.

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“…Friyanto [13] presented the use of multiple ONOS controllers in a cluster for high 102 available services using ONOS/SDN-IP reactive routing. Efficient routing implementa-103 tions in the different aspects of wired and wireless SDN [14][15][16][17] are the primary concerns.…”

Section: Introduction 17mentioning

confidence: 99%

Routing Performance Evaluation of a Multi-Domain Hybrid SDN for its Implementation in Carrier Grade ISP Networks

Dawadi¹,

Thapa²,

Guragain³

et al. 2021

Preprint

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Legacy IPv4 networks are strenuous to manage and operate. Network operators are in need to minimize the capital and operational expenditure of running network infrastructure. The implementation of Software-defined networking (SDN) addresses those issues by minimizing the expenditure in the long run. Legacy networks need to integrate with the SDN networks for the smooth migration towards the fully functional SDN environment. In this paper, we compare the network performance of the legacy network with the SDN network for IP routing in order to determine the feasibility of the SDN deployment in the Internet Service provider (ISP) network. The simulation of the network is performed in the Mininet test-bed and the network traffic is generated using Distributed Internet Traffic Generator. Open network operating system is used as a controller for the SDN network in which SDN-IP application is used for IP routing. Round trip time, bandwidth, and packet transmission rate from both SDN and legacy networks are first collected and then the comparison is done. We found that SDN-IP provides better bandwidth and latency compared to legacy routing. The experimental analysis of interoperability between SDN and legacy networks shows that SDN implementation in production level carrier-grade ISP network is viable and progressive.

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SDNMesh: An SDN Based Routing Architecture for Wireless Mesh Networks

Cited by 29 publications

References 32 publications

The impacts of weak links on topology discovery process in large-scale wireless multi-hop networks

The impacts of weak links on topology discovery process in large-scale wireless multi-hop networks

Soft-Mesh: A Robust Routing Architecture for Hybrid SDN and Wireless Mesh Networks

Routing Performance Evaluation of a Multi-Domain Hybrid SDN for its Implementation in Carrier Grade ISP Networks

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