EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Expert Solution & Answer
Chapter 6, Problem P24P
Explanation of Solution
Figure 6.15:
- The figure 6.15 displays the institutional network that is connected together using four switches.
- It connects:
- Three departments (Electrical Engineering, Computer Science and Computer Engineering),
- Two servers
- One is Web server
- Another is Mail server
- Single router (contains four switches)
- It contains two sub-networks. They are:
- Internal subnet
- External subnet
To find: The maximum total aggregate throughput
Solution:
- Consider that all the three switches (departmental switches) are replaced by hubs that send information at the rate of 100 Mbps...
Expert Solution & Answer
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Chapter 6 Solutions
EBK COMPUTER NETWORKING
Ch. 6 - Consider the transportation analogy in Section...Ch. 6 - If all the links in the Internet were to provide...Ch. 6 - Prob. R3RQCh. 6 - Prob. R4RQCh. 6 - Prob. R5RQCh. 6 - Prob. R6RQCh. 6 - Prob. R7RQCh. 6 - Prob. R8RQCh. 6 - Prob. R9RQCh. 6 - Prob. R10RQ
Ch. 6 - Prob. R11RQCh. 6 - Prob. R12RQCh. 6 - Prob. R13RQCh. 6 - Prob. R14RQCh. 6 - Prob. R15RQCh. 6 - Prob. R16RQCh. 6 - Suppose the information content of a packet is the...Ch. 6 - Suppose the information portion of a packet (D in...Ch. 6 - Prob. P4PCh. 6 - Prob. P5PCh. 6 - Prob. P6PCh. 6 - Prob. P7PCh. 6 - Prob. P8PCh. 6 - Prob. P9PCh. 6 - Prob. P10PCh. 6 - Prob. P11PCh. 6 - Prob. P12PCh. 6 - Prob. P13PCh. 6 - Prob. P14PCh. 6 - Prob. P15PCh. 6 - Prob. P16PCh. 6 - Prob. P17PCh. 6 - Prob. P18PCh. 6 - Prob. P19PCh. 6 - Prob. P20PCh. 6 - Prob. P21PCh. 6 - Prob. P22PCh. 6 - Prob. P23PCh. 6 - Prob. P24PCh. 6 - Prob. P25PCh. 6 - Prob. P26PCh. 6 - Prob. P27PCh. 6 - Prob. P32PCh. 6 - Prob. P33P
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Similar questions
- Problem 2. Consider a packet of L bits that is sent over a path of Q links (i.e., a source and destination connected by a sequence of (Q-1) routers or switches). Each link transmits at R bps. This packet is the only traffic transmitted by the network (so there are no queuing delays) and the propagation delay and processing delay at routers are negligible. How long does it take to send this packet from source to destination if the network is: a) a packet-switched datagram network b) a circuit-switched network. Assume that bandwidth of R bps on each link is sliced into five individual circuits, so that cach circuit receives (R/5) bandwidth. Also assume that the circuit setup time is t,.. Give an expression for the number of links Q such that the packet delivery from the sender to the receiver will be faster over the packet-switched network, and the expression for the number of links Q such that the circuit-switched network will be faster.arrow_forwardApply Dijkstra's algorithm to the graph below in order to calculate shortest paths from the node one to all other nodes. At least two types of answers are required since the links have two parameters. For each link cost definition, discuss the suitable network applications. 4 - IGbps, latency: 100ms IGbps, latency: 10ms 5 8 .... 100Mbps, latency: 100ms 6 100Mbps, latency: 10msarrow_forward1. Build a Router network which has three Generic Routers and totally of Six networks in it. From each Router the required switch shall be connected through Fast Ethernet port and the switch is connected to two users. On the whole there are '6' networks in the configuration. Along with the network diagram do the packet transfer in simulation mode and write results for three different combinations.arrow_forward
- Consider the subnet of Fig. 5-13(a). Distance vector routing is used, and the following vectors have just come in to router C: from B: (5, 0, 8, 12, 6, 2); from D: (16, 12, 6, 0, 9, 10); and from E: (7, 6, 3, 9, 0, 4). The measured delays to B, D, and E, are 6, 3, and 5, respectively. What is C's new routing table? Give both the outgoing line to use and the expected delay. В 2 4 3 A D 1 5 6. E 8 (a) Fig. 5-13(a) 3.arrow_forwardQ4: Draw a graph for TCP congestion control for both a) TCP Tahoe b) TCP Reno based on the following information. Also show SS, AI and MD phases on the graph. At round 1 CWND =1 MSS Initial ssthresh =Infinity Timeout = At round 7 3 Duplicate ACK = At round 15 3 Duplicate ACK = At round 22 Add X round after 22, where X is 1arrow_forwardIt is obvious that a router or a switch needs to do searching to find information in the corresponding table. The searching in a routing table for a datagram network is based on the destination address; the searching in a switching table in a virtual circuit network is based on the combination of incoming port and incoming VCI. Explain the reason and define how these tables must be ordered (sorted) based on these values.arrow_forward
- 2. Consider a bus-topology network with five stations. A reservation access method is used. Each station has infinite data to transmit. Each reservation slot has 10 microseconds (note that 1 microsecond = 106 second). For each station, one data transmission sends 1000 bits. The transmission rate over the medium is 10 Mbps. For a station, which is its throughput (in unit "Mbps")?arrow_forwardA circuit-switched TDM-link uses 1024-bit frames over 16 TDM slots'. a. How many 'circuits’ are supported by this configuration? b. If we allowed the TDM-link to be utilized for "TCP connections", how many simultaneous TCP connections could be supported by the TDM link? (Hint: remember TCP connections is a full-duplex bidirectional stream) If the gross bitrate of this link is 8.192Mbit/s, what is the 'frame rate'? C. d. Given the 'gross bitrate', what would the throughput be (in bits/s, Kbits/s, or Mbits/s, as appropriate) for any ONE 'circuit in this configuration?arrow_forwardShow how the following connections through the network are achieved (explain how each switch must be set). Refer to the switches as 1A, 2B, etc.:1. i) P0 → M2 2. ii) P4 → M4 3. iii) P6 → M3arrow_forward
- QUESTION 77 Consider the network topology shown below with routers labeled A through F, inclusive. Each link is labeled with its "cost" for routing purposes. The link state routing algorithm is used in this network. (a)Show how Djikstra's algorithm works to compute paths from Router E to all other routers (show your answer in a table format similar to the one used in the lectures). (b)Show the final forwarding table at Router E after completion of the algorithm.arrow_forwardGive an example of a synchronous connection and an example of an isochronous connection, and then describe the essential distinctions between the two connection types.arrow_forwardSuppose we have switches S1 through S4; the forwarding-table destinations are the switches themselves. The tables for S2 and S3 are as below, where the next_hop value is specified in neighbor form: S2: ⟨S1,S1⟩ ⟨S3,S3⟩ ⟨S4,S3⟩ S3: ⟨S1,S2⟩ ⟨S2,S2⟩ ⟨S4,S4⟩ From the above we can conclude that S2 must be directly connected to both S1 and S3 as its table lists them as next_hops; similarly, S3 must be directly connected to S2 and S4. (a). The given tables are consistent with the network diagrammed in exercise 6.0. Are the tables also consistent with a network in which S1 and S4 are not directly connected? If so, give such a network; if not, explain why S1 and S4 must be connected. (b). Now suppose S3’s table is changed to the following. Find a network layout consistent with these tables in which S1 and S4 are not directly connected. Do not add additional switches. S3: ⟨S1,S4⟩ ⟨S2,S2⟩ ⟨S4,S4⟩ While the table for S4 is not given, you may assume that forwarding does work correctly.…arrow_forward
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