1. What is the chief cause of packet delay and loss in the Internet? 2. How does TCP compute a timeout for retransmission? 3. What happens to throughput if a protocol waits too long to retransmit? If...

1. What is the chief cause of packet delay and loss in the Internet?

2. How does TCP compute a timeout for retransmission?

3. What happens to throughput if a protocol waits too long to retransmit? If a protocol does not wait long enough to retransmit?