A packet’s life: Test how much time a packet spends on the driver, DMA, and CSMA/CD adaptor. (You can use “rdtscll” defi ned in to get the past CPU clock cycle.) We know 32-bit IPv4 addresses may not...

A packet’s life: Test how much time a packet spends on the driver, DMA, and CSMA/CD adaptor. (You can use “rdtscll” defi ned in to get the past CPU clock cycle.)

We know 32-bit IPv4 addresses may not be long enough. Are 48-bit MAC addresses long enough? Write down a short discussion to justify your answer.