Suppose a switch is built using a computer workstation and that it can forward packets at a rate of 500000 packets per second, regardless of size. Assume the workstation uses Direct Memory Access...

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Extracted text: Suppose a switch is built using a computer workstation and that it can forward packets at a rate of 500000 packets per second, regardless of size. Assume the workstation uses Direct Memory Access (DMA) to move data in and out of its main memory, which has a bandwidth of 2 Gbps and that the I/O bus has a bandwidth of 1 Gbps. The packet size at which the bus bandwidth become the limiting factor in Bytes.