1. Suppose N users compete using a statistical TDM system, and suppose the underlying physical transport can send K bits per second. What is the minimum and maximum data rate that an individual user can experience?
2. Of the four basic multiplexing techniques, is CDM always the best? Explain.
3. Suppose an OC-12 circuit is twenty percent the cost of an OC-48 circuit. What multiplexing technology can an ISP use to lower the cost of sending data at the OC-48 rate. Explain.
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