Study on Implementation of the Diffserv Router Supporting High_speed Switching with QoS

In this paper, we propose the architecture of the MPLS switch supporting Differentiated Services in the MPLS-based network. The traffic conditioner consists of a classifier, a meter, and a marker. The VOQ-PHB module, which combines input queue with each PHB queue, is implemented to utilize the resources efficiently. It employs the Priority-iSLIP scheduling algorithm to support high-speed switching. The proposed architecture has been simulated and verified using NS-2 simulator. In turn, it was modeled in VHDL, synthesized and verified using SYNOPSYS design tools. Finally, the design was fabricated in to a chip using SAMSUNG SoG process through the layout in Apollo tool.