EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Question
Chapter 4, Problem P15P
Program Plan Intro
Datagram:
- In networking, a datagram is a transferring unit which is used to transfer the data from a source to the destination and it doesn’t provide guaranteed service.
- It includes fragmentation process which is defined as the division of the data packet into small one when the data packets are larger than the maximum length of a particular system.
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Students have asked these similar questions
Given that you are to transfer a total datagram of size 28939 bytes over a network that has an MTU of 3038 bytes. The given header size is 38 bytes.
(a) Calculate the total number of packets required to send this data.
(b) What is the data size of the last packet?
(c) What would be the header size of the 8th packet and the offset value of the 4th packet?
Consider a two-link network in which Host A has a 1 Mbps connection with a 10 ms propagation delay and the router has a 15 Mbps link with a 25 ms propagation delay. Host A sends Host B a 1500-byte packet. What is the packet transmission delay from the router to Host B (in milliseconds)?
Suppose that datagrams between source Host A and destination Host B are restricted to 1,500 bytes (including header). If you have a 20-byte IP header, how many datagrams does an MP3 consisting of 5 million bytes need to be sent?
Explain how the response was calculated.
Chapter 4 Solutions
EBK COMPUTER NETWORKING
Ch. 4 - Lets review some of the terminology used in this...Ch. 4 - Prob. R2RQCh. 4 - Prob. R3RQCh. 4 - Prob. R4RQCh. 4 - Prob. R5RQCh. 4 - Prob. R6RQCh. 4 - Prob. R7RQCh. 4 - Prob. R8RQCh. 4 - Prob. R9RQCh. 4 - Prob. R10RQ
Ch. 4 - Prob. R11RQCh. 4 - Prob. R12RQCh. 4 - Prob. R13RQCh. 4 - Prob. R14RQCh. 4 - Prob. R15RQCh. 4 - Prob. R16RQCh. 4 - Prob. R17RQCh. 4 - Prob. R18RQCh. 4 - Prob. R19RQCh. 4 - Prob. R20RQCh. 4 - Prob. R21RQCh. 4 - Prob. R22RQCh. 4 - Prob. R23RQCh. 4 - Prob. R24RQCh. 4 - Prob. R25RQCh. 4 - Prob. R26RQCh. 4 - Prob. R27RQCh. 4 - Prob. R28RQCh. 4 - Prob. R29RQCh. 4 - Prob. R30RQCh. 4 - Prob. R31RQCh. 4 - Prob. R32RQCh. 4 - Prob. R33RQCh. 4 - Prob. R34RQCh. 4 - Prob. R35RQCh. 4 - Prob. P1PCh. 4 - Prob. P2PCh. 4 - Prob. P3PCh. 4 - Consider a datagram network using 32-bit host...Ch. 4 - Consider a datagram network using 8-bit host...Ch. 4 - Consider a datagram network using 8-bit host...Ch. 4 - Prob. P8PCh. 4 - Prob. P9PCh. 4 - Prob. P10PCh. 4 - Prob. P11PCh. 4 - Prob. P12PCh. 4 - Consider sending a 2400-byte datagram into a link...Ch. 4 - Prob. P15PCh. 4 - Prob. P16PCh. 4 - Prob. P17PCh. 4 - Prob. P18PCh. 4 - Prob. P19PCh. 4 - Prob. P20PCh. 4 - Prob. P21PCh. 4 - Prob. P22P
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Similar questions
- Suppose frames are limited to 1,500 bytes (excluding the 18 bytes of the header and the trailer) between source Host A and destination Host B. What would be the number of frames required to send an MP3 consisting of 1 million bytes (1MB)? Explain how you computed your answer.arrow_forwardA 3200 bit long TCP message is transmitted to the IP layer and becomes a datagram after adding a 160 bit header. The following Internet is connected by two LANs through routers. But the data part of the longest data frame that the second LAN can transmit is only 1200 bits. Therefore, datagrams must be segmented in the router. How many bits of data does the second LAN transmit to its upper layer?arrow_forwardConsider a packet that consists of 1000 bytes, including any headers. How long does it take to transmit this packet onto a data link if the transmission speed of the link is 8 Mbps (Megabits per second)? a. 125 seconds O b. .000001 second O c. .001 second O d. .000125 secondsarrow_forward
- Consider sending real-time data from Host A to Host B over a packet-switched network. Host A takes an 8-bit measurement every millisecond, and Host A collects these into 64-byte packets. There is one link between Hosts A and B; its transmission rate is 5 Mbps, its propagation delay is 2 × 108 meters/sec, and its length is 3 km. As soon as Host A gathers a packet, it sends the packet to Host B. How much time elapses from the time that Host A begins to take the first measurement in a packet until the entire packet reaches Host B?arrow_forwardConsider 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?arrow_forwardSuppose that there are three inter-media nodes between Host 1 and Host 2, and the transmission rate of each link is 4.096 Mbps. The time of end-to-end circuit established is 0.5 second. How much seconds does it take to send a file of 8.192M byte from host H1 to host H2 over a packet-switched network?arrow_forward
- Assume now that each packet includes not only payload data, but also a header portion, which contains information like sender and receiver addresses. Furthermore, assume that the maximum payload size of a packet is 1480 bytes, and that the packet header is always 40 bytes long. What is now the maximum packet size (given in bytes)?arrow_forwardSuppose that we are sending a 30 Mb MP3 file from a source host to a destination host. All links in the path between source and destination have a transmission rate of 10 Mbps. Assume that the propagation speed is 2 × 108 meters/sec, and the distance between source and destination is 10,000 km. 1. Referring to the above question, how many bits will the source have transmitted when the first bit arrives at the destination? 2. Now suppose there are two links between source and destination, with one router connecting the two links. Each link is 5,000 km long. Again suppose the MP3 file is sent as one packet. Suppose there is no congestion, so that the packet is transmitted onto the second link as soon as the router receives the entire packet. What is the end-to-end delay?arrow_forward- Suppose a TCP message that contains 1024 bytes of data and 20 bytes of TCP header is passed to IP for delivery across two networks interconnected by a router (i.e., it travels from the source host to a router to the destination host). The first network has an MTU of 1024 bytes; the second has an MTU of 576 bytes. Each network's MTU gives the size of the largest IP datagram that can be carried in a link-layer frame. Give the sizes and offsets of the sequence of fragments delivered to the network layer at the destination host. Assume all IP headers are 20 bytes.arrow_forward
- Host A and B are communicating over a TCP connection, and Host B has already received all bytes up through byte 100 (including Byte 100) from A. Suppose Host A then sends two packets to Host B back-to-back. The first and second packets contain 40 and 80 bytes of data, respectively. Host B sends an acknowledgment whenever it receives a packet from Host A. a. What is the sequence number of the first packet sent from Host A to Host B? What is the sequence number of the second packet sent from Host A to Host B? b. If the second packet arrives before the first packet, in the acknowledgment of the first arriving packet, what is the acknowledgment number? .arrow_forwardP15. Suppose datagrams are limited to 1,500 bytes (including header) between source Host A and destination Host B. Assuming a 20-byte IP header, how many datagrams would be required to send an MP3 consisting of 5 million bytes? Explain how you computed your answer.arrow_forwardCompare GBN, SR, and TCP (no delayed ACK). Assume that the timeout values for all three protocols are sufficiently long such that 5 consecutive data segments and their corresponding ACKs can be received (if not lost in the channel) by the receiving host (Host B) and the sending host (Host A) respectively. Suppose Host A sends 5 data segments to Host B, and the 3rd segment (sent from A) is lost. In the end, all 5 data segments have been correctly received by Host B. How many segments has Host A sent in total and how many ACKs has Host B sent in total? What are their sequence numbers? Answer this question for all three protocols.arrow_forward
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