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An Integrated Load Balancing Scheme Based on SDN ASR Algorithm
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DOI：10.23919/JCC.2023.03.009.png)
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Abstract
En 中文
At present, the flow table of the SDN switch is stored in the costly Ternary Content Address-able Memory (TCAM) cache. Due to the cost prob-lem, the number of flow tables that the SDN switch can store is extremely limited, which is far less than the number of traffic, so it is prone to overflow prob-lem, and leads to network paralysis. That has become a bottleneck in restricting the processing capacity of the data center, and will become a weak point focused by attackers. In this paper, we propose an algorithm for the Alarm Switch Remove (ASR) that fully loads the flow table space in SDN, and further put forward an integrated load balancing scheme in SDN. Finally, we use Mininet to verify that the scheme can ease the SDN switch flow table overflow problem and increase network throughput.
Keywords:
software defined network
flow-table
overflow
load balance
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