End$-$to$-$end delay: $3+2+2$ points

Transmission rate: $5Mbps$

Transmission rate: $500Mbps$

Transmission rate: $500Mbps$

Link Length: $2Km$

Link Length: $300Km$

Link Length: $3Km$

In the provided diagram, there are three links, each with its own transmission rate and

length. Let's assume the packet size is $2000$ bytes. The propagation speed on each link is

$4{10}^5\frac{m}{sec}.$ Additionally, each node $($e$.$g$.,$ router, source and destination hosts$)$

experiences a nodal processing delay of $8$ milliseconds. Round your answer to two decimal

places after leading zeros. Also, assume $1Mbps$ is equivalent to $1{10}^{6}bps.$

a$.$ Calculate the transmission delay and propagation delay in milliseconds for each

of the three links.

b$.$ Determine the end$-$to$-$end delay and round$-$trip delay in seconds for one packet,

considering the absence of queuing delay in the network.

c$.$ Calculate the end$-$to$-$end throughput $($in Mbps$)$ between the two hosts,

assuming that $20$ connections evenly distribute Link $2\text{'}$s capacity, while Link $1$ and

$3$ are exclusively dedicated to the hosts.