An Acknowledgement (ACK) or Negative Acknowledgement (NACK) is a short message sent by the receiver to the transmitter to indicate whether it has correctly or incorrectly received a data packet, respectively.
1 Answer … A NAK-only protocol is not preferable to a protocol that uses ACKs especially when the sender sends data only infrequently. … A NAK-only protocol …
When the sender sends data frequently and the data loss rate is very less, then a NAK-only protocol is preferable to a protocol that uses ACKs. The receiver …
Is NAK only protocol preferable?
Hence, a NAK-only protocol would not be desirable in this case. On the other hand, if errors are rate and the data rate is high, an ACK-based scheme is not desirable as there is high overhead (for the ACKs).
What is a NAK only protocol?
In a NAK only protocol, the loss of packet x is only detected by the receiver when packet x+1 is received. That is, the receivers receives x-1 and then x+1, only when x+1 is received does the receiver realize that x was missed.
What is the purpose of ACK and NAK packets in reliable data transfer protocol?
Protocols such as Transmission Control Protocol (TCP) encapsulate data integrated with headers, with one header field being reserved specifically for these types of acknowledgments (ACKs). The ACK system informs a sender of data loss or corruption when a negative ACK (NAK) is received, or duplicate ACKs are received.
How can a reliable transmission protocol be built using NAKS?
A NAK-only protocol can achieve reliability by having the receiver start a timer when sending a NAK and retransmit the NAK when the timer times out before the missing packet was retransmitted.
What is NAK in networking?
NACK, or NAK, an abbreviation for negative acknowledgment or not acknowledged, is a signal used by computers or other devices to indicate that data transmitted over a network was received with errors or was otherwise unreadable.
What is an ACK response?
In data networking, telecommunications, and computer buses, an acknowledgment (ACK) is a signal that is passed between communicating processes, computers, or devices to signify acknowledgment, or receipt of message, as part of a communications protocol.
What does TCP ACK stand for?
ACK is short for “acknowledgement.” An ACK packet is any TCP packet that acknowledges receiving a message or series of packets. The technical definition of an ACK packet is a TCP packet with the “ACK” flag set in the header.
What is the purpose of the ACK packet?
TCP can use an ACK to acknowledge a series of TCP packets that have been received, rather than just a single packet. A TCP packet sent as an acknowledgment has its ACK flag set to 1 to indicate that the acknowledgment numbers of the packets received are valid.
More Answers On Would A Nak Only Protocol Be Preferable To A Protocol That Uses Acks Why
Consider a reliable data transfer protocol that – sr2jr
The protocol that uses ACKs is not preferred as it require to send more number of acknowledgements. When the sender sends data frequently and the data loss rate is very less, then a NAK-only protocol is preferable to a protocol that uses ACKs. The receiver sends the NAK as it realizes the packet loss quickly as the data transmitted frequently.
protocol theory – NACK vs. ACK? When to use one over the other one …
ACKs may be considered more essential than NAKs. NAKs simply allow for faster recovery, in the case where a packet/block sent by A is not received by B, and B detects by some way that a packet/block is missing.
How can a Data Transfer Protocol using NAKs only be reliable?
Otherwise, there would be no way for the receiver to indicate which packet it is NAK’ing, i.e., most protocols use a sequence number in each packet/ack/nak. A NAK-only protocol can achieve reliability by having the receiver start a timer when sending a NAK and retransmit the NAK when the timer times out before the missing packet was retransmitted.
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In this second case, would a NAK-only protocol be; Question: Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end …
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Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol Question: 1 Consider a reliable data transfer protocol that uses only negative acknowledgments.
a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Answer: In a NAK only protocol, the loss of packet x is only detected by the receiver when packet x+1 is received. That is, the receiver receives x-1 and then x+1, only when x+1 is received does the receiver realizes that x was missed. If there is a long delay between the …
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In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? In a NAK only protocol, the loss of packet x is only detected by the receiver when packet x+1 is received. That is, the receivers receives x-1 and then x+1, only when x+1 is received does the receiver realize that x was missed.
Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? 3) Refer to Figure 3.56 of the textbook (or a similar figure from the Week 5 lecture notes), which illustrates the …
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In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? In a NAK only protocol, the loss of packet x is only detected by the receiver when packet x+1 is received. That is, the receivers receives x-1 and then x+1, only when x+1 is received does the receiver realize that x was missed.
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connection experiences few losses. In this second case, would a NAK‐only protocol be preferable to a protocol that uses ACKs? Why? Answer: In a NAK only protocol, the loss of packet x is only detected by the receiver when packet x+1 is received. That is, the receivers receives x‐1 and then x+1, only when x+1 is received does the
Consider a reliable data transfer protocol that uses only negative
Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Students also viewed these Computer Sciences questions . a. In HTTP, which application program initiates an interaction …
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Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be preferable to a protocol that uses …
Preferable to a protocol that uses acks why now
preferable to a protocol that uses ACKs Why Now suppose the sender has a lot of. Preferable to a protocol that uses acks why now. School University of Notre Dame; Course Title CSE MISC; Uploaded By asaferguson2. Pages 3 This preview shows page 1 – 3 out of 3 pages. …
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Engineering Computer Science Q&A Library 5)Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKS? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses.
Case 1 “NAK-only protocol is not preferable”: If the sender sends the …
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Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a Why? data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be Why? Kurose & Ross, Chapter 3, Problem P40.
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Aug 4, 2021Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK …
P14. Consider a reliable data transfer protocol that uses only negative acknowledg-ments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a …
Consider a reliable data transfer protocol that uses only negative …
Answers: 1 on a question: Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be …
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Consider a reliable data transfer protocol that uses only negative acknowledgement. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to- end connection experiences few losses. In this second case, would a NAK …
Question : Question In the rdt protocols discussed in the class, why …
Would a timer still be necessary in protocol rdt 3.0, assuming that packets can be lost? Explain Consider a reliable data transfer protocol that uses only negative acknowledgments. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data …
protocol theory – NACK vs. ACK? When to use one over the other one …
For instance, segments with only the ACK or RST flag set do not require an ACK. Additionally, if delayed ACKs are in use, then there may not be an ACK every segment, however generally this requires that an ACK be sent for every other segment. Yet many TCP connections will not use delayed ACKs and will send an ACK for every segment carrying data.
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In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? NAK only: Would not be preferable; if there was a single segment sent, the receiver would be unaware they had missing data until the next segment was received and so there would be a substantial delay in recovery; Second case: NAK-only would have much less overhead because there only needs to be a …
Solved > Question Consider a reliable data transfer protocol that …
Consider a reliable data transfer protocol that uses only negative acknowledgement. Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to- end connection experiences few losses. In this second case, would a NAK …
Consider a reliable data transfer protocol that uses only negative …
Suppose the sender sends data only infrequently. Would a NAKonly – 15540722 stevenramos8910 stevenramos8910 04/06/2020 Engineering College answered Consider a reliable data transfer protocol that uses only negative acknowledgements. Suppose the sender sends data only infrequently. Would a NAKonly protocol be preferable to a protocol that uses ACKs? 1 See answer stevenramos8910 is waiting for …
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Problems. C3-P1. A NAK-only protocol is not preferable to a protocol that uses ACKs especially when the sender sends data only infrequently. A NAK-only protocol will be able to detect that a packet has been lost only when the receiver receives the subsequent packet. Considering the sender sends data only infrequently, NAK-only protocol will take a long time to realize that a packet has been …
CS 460 Computer Communications and Networking
Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKS? Why? Kurose & Ross, Chapter 3, Problem P40. Consider the figure above. Assuming TCP Reno is the protocol experiencing the behavior shown above …
Consider a reliable data transfer protocol that uses only negative…
Suppose the sender sends data only infrequently. Would a NAK-only protocol be preferable to a protocol that uses ACKs? Why? Now suppose the sender has a lot of data to send and the end-to-end connection experiences few losses. In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why?
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In this second case, would a NAK-only protocol be preferable to a protocol that uses ACKs? Why ? iii. Given a choice of the ACK-only scheme in TCP and the NAK-only scheme just described which scheme will you use if you protocol needed to work under high data rate and low BER conditions? [12 marks] Please go on to the next page. . . COMPSCI 3001,7039 Primary Examination, Semester 1, 2016 Page 5 …
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