EBK COMPUTER NETWORKING
EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
Expert Solution & Answer
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Chapter 1, Problem R11RQ

Explanation of Solution

  • The transmission rate between sending host and switch is termed as R1 and between switch and receiving host is termed as R2.
  • At time t0, the sending host initiates the transmission.
  • At time t1 = L/R1, the sending host will transfer all the data to the switch or the router...

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We send real-time voice from Host A to Host B over a packet-switched network (VolP). Host A converts analog voice to a disital 64 Kbps bitstream on the fly then groups the bits into 64-byte packets. As soon as Host A gathers a packet, it sends it to Host R (Obviously a data packet must be generated first before any bit inside it can be transmitted). There is one link between Hosts A and B; its transmission rate is 10 Mbps and its propagation delay is 10 msec. As soon as Host B receives an entire packet, it converts the packet's bits to an analog signal How much time (in milliseconds) elapses from the time a bit is created from the original analog signal at Host A) until the bis arrived at Host B and gets decodedas part of the analog signal at Host B)? Hint Calculate the time to generate a packet of 648 time to transmit this packettime to propagate Your aewwer should only contain umbers rounded to the hundredth (For example 123 S) Prvious
Consider two hosts, A and B that are connected by a transmissions link of2.1 Mbps. Assume that packets are of length 2.0 Kb (Kilobits) and the length of the link is 100Km. a. What is the propagation delay from A to B, that is the amount of time from when the first bit of the packet is transmitted at A, until it is received at B? b. What is the transmission time of the packet at A (the time from when the first bit of the packet is sent into the wire and the time at which the last bit is sent into the wire). c. Suppose now that that length of the link is doubled. What is the propagation delay from A to B now and what is the transmission time? d. Now suppose that node C is connected to node B also by a 2 Mbps, 100 Km link. How long does it take from when the first bit is transmitted by A to when the last bit is received at C, assuming B operates in a store-and -forward manner?
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Chapter 1 Solutions

EBK COMPUTER NETWORKING

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