13.6k views
2 votes
Suppose there are 3 routers in sequence between Host A and Host B, all of which use store-and-forward routing. What is the total end-to-end delay for a packet originating from Host A with destination Host B, under the following conditions. Each of the link transmission rates are 3.9 Mbps The total distance from Host A to Host B along its path of transmisison is 195.6 km The speed of propagation through the transmission medium is is 2.7 x 108 m/s The packet size is 4 KiB Remember that you must also uplink from Host A to the first router. Give answer in milliseconds, rounded to 1 decimal place, without units (e.g. for 0.12345 seconds you would enter "123.5" without the quotes).

1 Answer

4 votes

Answer:

The answer is 25.2 milliseconds rounded off to one decimal place

Step-by-step explanation:

Suppose there are 3 routers in sequence between Host A and Host B, all of which use store-and-forward routing. What is the total end-to-end delay for a packet originating from Host A with destination Host B, under the following conditions. Each of the link transmission rates are 3.9 Mbps The total distance from Host A to Host B along its path of transmission is 195.6 km The speed of propagation through the transmission medium is is 2.7 x 108 m/s The packet size is 4 KiB Remember that you must also uplink from Host A to the first router. Give answer in milliseconds, rounded to 1 decimal place, without units (e.g. for 0.12345 seconds you would enter "123.5" without the quotes).

The answer is 25.2 milliseconds rounded off to one decimal place

The explanation is attached.

Suppose there are 3 routers in sequence between Host A and Host B, all of which use-example-1
Suppose there are 3 routers in sequence between Host A and Host B, all of which use-example-2
User Justin Tilson
by
4.0k points