Abstract
This paper divides the packets flowing through the gateway devices into two categories, the first one is sent to the gateway device itself and the other one is that the packets need to be forwarded by the gateway device. The port-based fast forwarding module in gateway mode proposed in this paper is an extended forwarding mode on the base of the traditional Linux network stack, which optimizes the system’s packet forwarding process, gets rid of the bridge forwarding and routing module and reduces system resources occupancy. The experimental results show that the fast forwarding mechanism in gateway mode can improve the system performance, and the classification model of the packet can greatly enhance the system’s stability and security.
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