sender sends 8 TCP segments at t = 1, 2, 3, 4, 5, 6, 7, 8. Suppose the initial value of the sequence number is 0 and every segment sent to the receiver each contains 100 bytes. The delay between the sender and receiver is 5 time units, and so the first segment arrives at the receiver at t = 6. The ACKS sent by the receiver at t = 6, 7, 8, 10, 11, 12 are shown. The TCP segments (if any) sent by the sender at t = 11, 13, 15, 16, 17, 18 are not shown. The segment sent at t=4 is lost, as is the ACK segment sent at t=7. TCP sender t=1 t=2+ t=3+ t=4+ t=5+ t=6+ t=11 t=12 t=13 t=14 t=15 t=16 t=17 t=18 I 1 data segment data segment data segment data segment data segment data segment data segment data segment ACK ACK ACK ACK ACK ACK VAAL V IV V At TCP receiver t=6 t=7 t=8 t=9 t=10 t=11 t=12 t=13 What is the ACK value carried in the receiver-to-sender ACK sent at t = 10?

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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sender sends 8 TCP segments at t = 1, 2, 3, 4, 5, 6, 7, 8. Suppose the initial value of the
sequence number is 0 and every segment sent to the receiver each contains 100 bytes.
The delay between the sender and receiver is 5 time units, and so the first segment
arrives at the receiver at t = 6. The ACKS sent by the receiver at t = 6, 7, 8, 10, 11, 12 are
shown. The TCP segments (if any) sent by the sender at t = 11, 13, 15, 16, 17, 18
are not shown.
The segment sent at t=4 is lost, as is the ACK segment sent at t=7.
TCP
sender
t=1
t=2+
t=3+
t=4
t=5+
t=6+
t=11
t=12
t=13
t=14
t=15
t=16
t=17
t=18
1
data segment
data segment
data segment
data segment
data segment-
data segment
data segment
data segment
ACK
ACK
ACK
ACK
ACK
ACK
I
K
V
1
1
ttt
TCP
receiver
t=6
t=7
t=8
t=9
t=10
t=11
t=12
t=13
What is the ACK value carried in the receiver-to-sender ACK sent at t = 10?
Transcribed Image Text:sender sends 8 TCP segments at t = 1, 2, 3, 4, 5, 6, 7, 8. Suppose the initial value of the sequence number is 0 and every segment sent to the receiver each contains 100 bytes. The delay between the sender and receiver is 5 time units, and so the first segment arrives at the receiver at t = 6. The ACKS sent by the receiver at t = 6, 7, 8, 10, 11, 12 are shown. The TCP segments (if any) sent by the sender at t = 11, 13, 15, 16, 17, 18 are not shown. The segment sent at t=4 is lost, as is the ACK segment sent at t=7. TCP sender t=1 t=2+ t=3+ t=4 t=5+ t=6+ t=11 t=12 t=13 t=14 t=15 t=16 t=17 t=18 1 data segment data segment data segment data segment data segment- data segment data segment data segment ACK ACK ACK ACK ACK ACK I K V 1 1 ttt TCP receiver t=6 t=7 t=8 t=9 t=10 t=11 t=12 t=13 What is the ACK value carried in the receiver-to-sender ACK sent at t = 10?
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