With a packet size of l and a bandwidth of R, what is the maximum rate of arrival that may be expected from this connection?

A frame of 1200 bytes travel through five switches along the path. Each link has a bandwidth of 100 Mbps, a length of 100 m, and a propagation speed of 2 × 10*8 m/sec. Assuming a queuing and processing delay of 2 ms at each switch, what is the approximate end-to-end delay for this packet?

Computer Networks Consider a packet of length L that begins at end system A and travels over three links to a destination end system. These three links are connected by two packet switches. Let d, s, and R denotes the length, propagation speed, and the transmission rate of link i, for i=1,2,3 . The packet switch delays each packet by d . Assuming no queuing delays, in terms of d, s , R, (i=1,2,3),  and L, what is the total end-to-end delay for the packet? Suppose now the packet is 1,500 bytes, and the propagation speed on all three links are 3125km/sec, 10000 km/sec, and 3333km/sec respectively. The transmission rates of all three links are 2 Mbps, the packet switch processing delay is 3 msec, the length of the first link is 5,000 km, the length of the second link is 4,000 km, and the length of the last link is 1,000 km. For these values, what is the end-to-end delay?    In the above problem, suppose R1=R2=R3=R and dproc=0. Further, suppose the packet switch does not store-and-forward…

Suppose that KJ sends 3596 back-to-back packets, with each packet composed of 14,000 bits, to TA over 5 links (shown below). Suppose that the transmission rate of each link is 70,000 bits/sec (bps). Consider the routers to be store-and-forward routers. In such a scenario, find the endto- end delay of sending all the packets to TA (i.e., the time needed for the last bit of the last packet to arrive at TA since KJ starts transmitting the first bit of the first packet). Note, consider only the transmission delay that occurs in sending packets in your analysis. Show the steps used for derivation in detail. 70,000 bps 70,000 bps 70,000 bps 70,000 bps 70,000 bps KJ Router 1 Router 2 Router 3 Router 4 ТА

When a connection has a packet size of l and bandwidth of R, what is the theoretical maximum arrival rate for the connection?

a. Suppose N packets arrive simultaneously to a link at which no packets are currently being transmitted or queued. Each packet is of length L and the link has transmission rate R. What is the average queuing delay for the N packets? b. Now suppose that N such packets arrive to the link every LN/R seconds. What is the average queuing delay of a packet?

A factor in the delay of a store-and-forward packet-switching system is how long it takes to store and forward a packet through a switch. If switching time is 10 usec, is this likely to be a major factor in the response of a client-server system where the client is in New York and the server is in California? Assume the propagation speed in copper and fiber to be 2/3 the speed of light in vacuum.

A packet switch receives a packet and determines the outbound link to which the packet should be forwarded. When the packet arrives, one other packet is halfway done being transmitted on this outbound link and four other packets are waiting to be transmitted. Packets are transmitted in order of arrival. Suppose all packets are 1,200 bytes and the link rate is 2 Mbps. What is the queuing delay for the packet? More generally, what is the queuing delay when all packets have length L, the transmission rate is R, x bits of the currently-being-transmitted packet have been transmitted, and n packets are already in the queue?

Consider a client and a server connected through one router. Assume the router can start transmitting an incoming packet after receiving its first 0.6 Mbits instead of the whole packet. Suppose that the transmission rate of each link is 6 Mb/s and that the client transmits one packet with a size of 2 Mbits to the server. Assume the propagation, processing, and queuing delays are negligible. Answer the following questions (use up to 4 significant digits if needed; e.g., yy.xxxx): What is the end-to-end delay?3D seconds What is the end-to-end delay if there are 2 routers between the client and the server?= seconds

Let a denote the rate of packets arriving at a link in packets/sec, and let μ denote the link’s transmission rate in packets/sec. Based on the formula for the total delay (i.e., the queuing delay plus the transmission delay) derived in the previous problem, derive a formula for the total delay in terms of a and μ.