Question: Using the best delay class in GPRS and a data rate of 115.2 kbit/s - how many bytes are in transit before a first acknowledgement

Using the best delay class in GPRS and a data rate of 115.2 kbit/s - how many bytes are in transit before a first acknowledgement from the receiver could reach the sender (neglect further delays in the fixed network and receiver system)? Now think of typical web transfer with 10 kbyte average transmission size - how would a standard TCP behave on top of GPRS (see chapters 9 and 10)? Think of congestion avoidance and its relation to the round-trip time. What changes are needed?

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