Host AHost BSeg-92, 20 bytes dataACKSeg=100, 20 bytes datalossACKSeg= S4.20 bytes datatimeFigure: Cumulative ACKSIn Figure: Cumulative ACKS, the value of 54 istimeout- Host XHost YSeg=80, 20 bytes dataSea=100, 20 bytes dataySeg=120, 20 bytes dalaACK=Seq=140, 20 bytes dataY2Seg=160, 20-bytes dalaACK= Y4Seg XI 20 bytes dataACKE Y3Seg= X2, 20B dataRCK= YSX-ACK= Y6.Sea= X320 bytes datatimeY7ACK=Figure: Fast RetransmitIn Figure: Fast Retransmit, the value of Y1 istimeout-

If the second segment arrives before the first segment, in the acknowledgement of the first arriving…

Answered: Host A Host B Seg-92, 20 bytes data ACK…

Host A Host B Seg-92, 20 bytes data ACK Seg=100, 20 bytes data loss ACK Seg= S4 .20 bytes data time Figure: Cumulative ACKS In Figure: Cumulative ACKS, the value of 54 is timeout-

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Host A
Host B
Seg-92, 20 bytes data
ACK
Seg=100, 20 bytes data
loss
ACK
Seg= S4
.20 bytes data
time
Figure: Cumulative ACKS
In Figure: Cumulative ACKS, the value of 54 is
timeout-

Host X
Host Y
Seg=80, 20 bytes data
Sea=100, 20 bytes datay
Seg=120, 20 bytes dala
ACK=
Seq=140, 20 bytes data
Y2
Seg=160, 20-bytes dala
ACK= Y4
Seg XI 20 bytes data
ACKE Y3
Seg= X2, 20B data
RCK= YS
X-
ACK= Y6.
Sea= X3
20 bytes data
time
Y7
ACK=
Figure: Fast Retransmit
In Figure: Fast Retransmit, the value of Y1 is
timeout-

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