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?

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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Concept explainers

Types Of Protocols

A network protocol is a collection of rules that governs the exchange of data between devices connected to the same network. In other words, network protocols are rules that specify how devices communicate or transfer data over a network. The sender and receiver systems must obey the standards to facilitate communication between them.

Question

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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