NETW 310 Week 6 iLab TCP Flow Control and Error Control
iLab 6: TCP Flow Control and Error Control (70 Points)
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(See the Syllabus section “Due Dates for Assignments & Exams” for due dates.)
Scenario and Summary
In the first part of this lab, you will observe common flow-control mechanisms used in networks.
The lab uses a very simple network configuration that demonstrates the method TCP uses to control the rate of transmission or flow control. Most protocols have methods to ensure that transmitted information will not overrun the receiver. Here, you will watch TCP’s sliding windows form and grow through the process of slow start.
In the second part of this lab, you will observe common error-discovery mechanisms used in networks. You will examine how errors in TCP packets cause retransmissions and affect the data stream and the network.
The lab uses a very simple network configuration that will start a TCP-byte stream and then discard packets in transit. The reaction of TCP and how it affects the network will be demonstrated.
You are required to submit your Week 6 Lab Report after completing the lab assignments. Have fun while learning.
This first procedure will initialize your OPNET environment on Citrix. Download and perform all procedures in the OPNET Initialization Document.
Download this week’s Lab Report Template.
Download and perform all procedures in this week’s Lab Instructions.
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