Question
a) Why do UDP and TCP use a demultiplexing key for incoming packets that also include the source IP address and the source port number
a) Why do UDP and TCP use a demultiplexing key for incoming packets that also include the source IP address and the source port number instead just of the (destination IP, destination port number) tuple ?
b) A TCP node receives a segment with data having sequence numbers from 1004 to 1100. The LastByteRead variable for that connection is 1200. Will the TCP layer deliver the data in the newly arrived segment to the process ? Explain.
c) Explain why a TCP segment timeout that is too short contributes to overall network congestion. What is the drawback of using a timeout value that is too long ?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Data Communications and Networking
Authors: Behrouz A. Forouzan
5th edition
73376221, 978-0073376226
