Suppose that we are sending a 30 Mb MP3 file from a source host to a destination host. All links in the path between source and destination have a transmission rate of 10 Mbps. Assume that the propagation speed is 2 × 108 meters/sec, and the distance between source and destination is 10,000 km. 1. Now suppose that the MP3 file is broken into 3 packets, each of 10 Mb. Ignore headers that may be added to these packets. Also ignore processing delays. Assuming store and forward packet switching at the router, what is the total delay? 2. Now suppose there is only one link between source and destination, and there are 10 TDM channels in the link. The MP3 file is sent over one of the channels. What is the end-to-end delay?
Suppose that we are sending a 30 Mb MP3 file from a source host to a destination host. All links in the path between source and destination have a transmission rate of 10 Mbps. Assume that the propagation speed is 2 × 108 meters/sec, and the distance between source and destination is 10,000 km.
1. Now suppose that the MP3 file is broken into 3 packets, each of 10 Mb. Ignore headers that may be added to these packets. Also ignore processing delays. Assuming store and forward packet switching at the router, what is the total delay?
2. Now suppose there is only one link between source and destination, and there are 10 TDM channels in the link. The MP3 file is sent over one of the channels. What is the end-to-end delay?
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Now suppose there is only one link between source and destination, and there are 10 FDM channels in the link. The MP3 file is sent over one of the channels. What is the end-to-end delay?
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