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University of Kansas
Electrical Engineering & Computer Science |
EECS 563 - Introduction to Communications Networks - Spring 2024
Announcements:
You are not responsible for knowing the abbreviations of the terms for 4G/5G cellular networks shown in slides 131-160 in the #6 Access Networks and Media Access Control set of notes.
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Test 2
Open review Wednesday, April 24 5:30-7:00 PM in LEEP2 G411
In class review for Test 2 on Tuesday, April 23
Test 2 Thursday, April 25
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Test Instructions
1) Closed Book
2) Closed Notes
3) Only calculators are permitted: No cell phones, tables, or laptops
4) Be sure to clearly indicate your final answer. When an answer box is provided, put your final answer in the box provided. When instructed to circle your answer. Points will be deducted for not following these instructions.
5) Where indicated provide justification for your answers.
6) If you feel that a problem is unclear, contradictory, incomplete, or ambiguous, clearly state the assumptions you used to solve the problem.
7) Do Not start the test until given the signal to start.
Test Retrieval Instructions:
Before class starts on April 30 the tests will be placed on a table near the west entrance to 2300 LEEP2.
The tests will be sorted alphabetically by your last name in three stacks:
A-G
H-M
N-Z
On April 30 as you enter class ONLY pick up your test.
Grade dispute process:
If you have any issues with the way your test was graded write the issues on the front page of the test and turn it in to me again BEFORE you leave the classroom on April 30. I will not consider any grading issues once your test has left the classroom.
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Test 1
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Open review Monday, March 4 5:30-7:00 PM in LEEP2 2300
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In class review for Test 1 on Tuesday, March 5
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Test 1 Thursday, March 7
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The homework process is:
1) You submit the homework via e-mail to the specific grader for that homework
2) The grader evaluates the homework, annotates the pdf with comments and with your grade on each problem and the total for that assignment. Reminder each problem is 10pts
3) Grader e-mails the graded homework back to you, given the size of the class, the grader will typically take 1.5 to 2 weeks to return the homework,
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Interactive Plots Demonstrating System Trade-offs
- This interactive tool explores the relationships among Link Rate, One-way Propagation Delay, and Packet Size.
- Performance analysis: statistical multiplexer-infinite system
- Performance analysis: statistical multiplexer-finite system
- Performance analysis: multi-server system
- Throughput vs Offered Load for Finite System
- Check Sum
- Shortest Path through Network
- Simplified Token Ring Maximum Normalized Throughput Analysis
- Average Normalized Delay for a CSMA/CD Network as a function of load as the packet length, size of network and link rate
- Maximum Normalized Throughput for CSMA-CD Networks as a function of packet length, size of the network, and link rate
- Stop & Wait Efficiency Trade-offs
- Sliding Window Efficiency Trade-offs
- Average Throughput of TCP Connection for TCP Reno
- Hello World No cache
- Wireshark file for small file transfer
- Wireshark file for large file transfer
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At the conclusion of this class the students are expected to be able to:
- Understand the basics of multiplexing, e.g., statistical multiplexing
- Understand the layered structure of protocols
- Understand the importance of standards and who sets them
- Understand the basics of network protocols, including, datagram/virtual circuit switching/forwarding, access control, data link control and, IP, transport (TCP & UDP).
- Understand the tradeoffs involved in network design in a variety of environments - LAN and WAN, diverse link rates, and varied error and delay conditions
- Perform simple analytic performance and design trade-off studies
- Perform simulation-based performance and design trade-off studies
- Understand the basics of network security, including public/private key systems, digital signatures, key distribution systems, and certificate authorities
- Use network analysis tools, e.g., Wireshark , traceroute , ping, and simulation (ExtendSim)
- Be fluent in the language of communication networks, i.e., understand the meaning of networking terms and abbreviations
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Formats and Guidelines for Assignments
Graders:
1) Nirvan
Kotha, nirvan@ku.edu
and
2) Ankireddy Manoj Prakash Reddy, ankireddymanoj162@ku.edu
Submit all assignment by e-mail;
1) Send to assigned grader
2) Required file name format
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LastName_HW#.pdf
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For example: Frost_HW5.pdf
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Reference Material
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- Extendsim Video tutorials
IPv4 Address Tools
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Some interesting on-line networking related videos:
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- Advice
on Writing
- Most colleges and universities have a writing center, a place for students
to talk about their writing with trained peer consultants. At KU see the KU Writing Center.
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Academic Integrity and Plagiarism
The department, school and university have very strict guidelines regarding
academic misconduct. Obviously, copying is not allowed on exams. Students are
expected to submit their own work on individual homework and projects. Lending
or borrowing all or part of a simulation model or program from another student
is not allowed. Students ARE allowed to borrow and modify any code on this class
web site in their projects. Instances of cheating will result in a referral
to the department chairman and the dean of engineering.
All sources in your written work (project reports) must be properly referenced;
if you use a source from the literature or the idea of another for your work
you must reference it. If you quote or copy a block of text, it must be cited
and included in quotation marks (if a sentence or less in length) or in block
quote style (if more than a sentence in length). If you paraphrase text (reword
a phrase, sentence, or paragraph), you must also quote or blockquote followed
by “[paraphrased]” in addition to proper citation. Figures taken
from other sources must be referenced.
I recommend that you take intermediate notes from which you write your own
words. I strongly recommend that you not write in one window while displaying
the work of others in another window; this is asking for trouble. “Unintentional”
paraphrasing is also not an acceptable excuse for academic misconduct.
Modified with permission from James P.G. Sterbenz
and John Gauch
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Author
Victor S. Frost, vsfrost@ku.edu
