A new method for layer 2 loop prevention in software defined networks

Esmaeil Amiri () and Reza Javidan ()
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Esmaeil Amiri: Isfahan University of Technology
Reza Javidan: Shiraz University of Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2020, vol. 73, issue 1, No 4, 47-57

Abstract: Abstract Broadcast storm refers to the bandwidth saturation caused by broadcast traffic flows when a loop exists and it can quickly lead to the network failure. In legacy networks, spanning tree protocol (STP) is used to prevent loops in layer 2. This protocol is designed for distributed networks. However, for software defined networks (SDNs) as a new architecture for computer networks, it is necessary to have a new paradigm. In SDN architecture, control plane is decoupled from data plane and implemented centrally so it can be utilized to find a better solution using its global view. In this paper, a new method to prevent loop in SDNs is introduced and evaluated. The proposed method in comparison with STP, has better performance, because of blocking fewer switch ports and utilizing more capacity of the switches. The comprehensive simulation results showed the effectiveness of the proposed method.

Keywords: Software defined network (SDN); Spanning tree protocol (STP); OpenFlow (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s11235-019-00594-4

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