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Distributed Virtual Network Embedding for Software-Defined Networks Using Multiagent Systems

delete2021-01-01
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AI
A
Ali Akbar Nasiri *
F
Farnaz Derakhshan
S
Shahram Shah Heydari
DOI:10.1109/ACCESS.2021.3050922delete
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摘要

摘要

En 中文
Virtual Network Embedding (VNE), which provides methods to assign multiple Virtual Networks (VN) to a single physical Substrate Network (SN), is an important task in network virtualization. The main problem in VNE is the efficiency of assigning customers' virtual network requests to the substrate network. This problem is known to be a Non-deterministic Polynomial-time hard (NP-hard) and heuristic solutions have been developed to solve this kind of problem. The current trend toward Software-Defined Networking (SDN) has allowed new possibilities in virtual network embedding. In this work, we propose a distributed virtual network embedding for SDNs called DVSDNE using multi-agent systems. This framework could be used to run a centralized VNE algorithm in a distributed manner to scale these algorithms with respect to network size. DVSDNE uses agents to spread the load across the substrate network. Our simulation results show the effectiveness of the proposed algorithm. Results show that DVSDNE improves execution time of embedding algorithms in large scale substrate networks, while embedding results such as acceptance ratio, revenue to cost ratio, average latency to controller, and maximum latency to controller remain comparable.
Keyword:
Substrates
Control systems
Virtualization
Multi-agent systems
Task analysis
Bandwidth
Delays
Graph partitioning
multi-agent systems
network virtualization
software-defined networking (SDN)
virtual network embedding
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IEEE Access
IF:
3.6
论文数:
9.8W
被引数:
29.4W

机构

U
University of Tabriz
学者数:
9.3K
论文数: 8.5K
被引数: 1.0W
O
Ontario Tech University
学者数:
2.1K
论文数: 2.3K
被引数: 2
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