CMSC 137 Data Communications and Networking

First Semester 2010-2011

• News/Announcements
• [10/26/2010] Tentative grades released. If you have questions, contact me before 11:59pm
• [10/18/2010] Exam 3 results now available.
• [10/08/2010] Exam 2 results now available.
• [09/28/2010] Project progress presentation will be done during laboratory hours this week.
• [09/15/2010] Applet for Distance Vector and Link-State Routing
• [09/14/2010] Circle Wars: A simple CMSC137 project.
• [09/08/2010] A collection of applets useful for our class
• [08/25/2010] Exam coverage: Chapters 2b,2c,3,4 only.
• [08/20/2010] Slides are now available.
• [08/19/2010] Class record is now posted.
• [07/13/2010] No meeting on 14 July 2010. Exam is still on 16 July 2010
• [06/24/2010] To encourage you to read the textbook, the slides will be uploaded 1 week before the exam.
• [06/08/2010] Welcome!
• Course Information

Course Number: CMSC 137
Course Title: Data Communications and Networking
Description: Basic principles of data communications; design issues and protocols in the layers of data network; networks for various applications.
Prerequisites: CMSC 125
Lecture: Section B, 9-10 WF ICS LH1


• Instructor Information

Lecture:
Joseph Anthony C. Hermocilla (jachermocilla@gmail.com)
PhySci C120

Laboratory:
Maverick C. Crisostomo (mccrisostomo@uplb.edu.ph)
PhySci C114

TJKP Monserat (tjkpmonserat@uplb.edu.ph)
PhySci C120

Student Assistant:
Catherine "Caps" Caoagas

• Aim

The aim of this course is to introduce students to data communications and networking concepts.

• Objectives

At the end of this course the students should be able to:

1. explain how data is transmitted over communication channels;
2. identify and describe the different layers of the OSI reference model and TCP/IP protocol suite, including the protocols available for each layer;
3. understand the architecture of Local Area Networks and Internetworks and the services they provide;
4. understand the importance of security in a networked environment;
5. develop network-enabled applications using a high-level programming language;
6. and perform basic network administration.
• Topics (tentative)
1. Computer Networks Overview
1. Introduction
2. Protocols and Architecture
2. Data Communications
1. Data Transmission
2. Transmission Media
3. Data Encoding
4. Data Link Control
3. Network Hardware Components
1. Layer 1 and Layer 2 devices
4. Local Area Networks
1. LAN Technology
2. LAN Systems
5. Communication Architecture and Protocols
1. Internetworking and Network Layer Concepts
2. Transport Layer
3. Application Layer
4. Network Security
• Evaluation/Grading (Tentative)

3 Lecture Exams	45%
Quizzes	5%
Laboratory Exercises	30%
Laboratory Project	20%
Prefinal Total	100%

The final grade is composed of 80% of the prefinal grade plus 20% of the final exam.

Grading Scale


Final Grade between		Numeric Equivalent
0	54	5.0
55	59	3.0
60	64	2.75
65	69	2.5
70	74	2.25
75	79	2.0
80	84	1.75
85	89	1.5
90	94	1.25
95	100	1.0

• Lecture Schedule (tentative)
*Slides originally from http://duck.cs.und.ac.za/~luke/Networks/lectures.html

Lec	Date	Topic	Readings	Slides
1	06/09/10 W	(no meeting)	TBA
2	06/11/10 F	Course Introduction	TBA
3	06/16/10 W	Switched Networks	Stallings: Ch. 1	SXI
4	06/18/10 F	Layered Architecture	Stallings: Ch. 1
5	06/23/10 W	Protocol Functions: Flow Control	Stallings: Ch. 15	SXI
6	06/25/10 F	OSI Reference Model	Stallings: Ch. 15
7	06/30/10 W	(no meeting)	TBA
8	07/02/10 F	TCP/IP	Stallings: Ch. 15, 1
9	07/07/10 W	Frequency Domain Concepts of Signals	Stallings: Ch. 5.1, 2	SXI
10	07/09/10 F	Maximum Data Rate
11	07/14/10 W	(no meeting)
12	07/16/10 F	EXAM 1
13	07/21/10 W	Transmission Media	Stallings: Ch. 3
14	07/23/10 F	Data Encoding: Digital to Digital	Stallings: Ch. 4
15	07/28/10 W	Synchronous Time Division Multiplexing	Stallings: Ch. 7
16	07/30/10 F	Data Link: Flow Control	Stallings: Ch. 6
17	08/04/10 W	(no meeting)
18	08/06/10 F	Data Link: ARQ	(Mid Sem)
19	08/11/10 W	HDLC
20	08/13/10 F	Layer 2 Devices
21	08/18/10 W	LAN Technologies: IEEE Media Access Control	Stallings: Ch. 12
22	08/20/10 F	LAN Systems: CSMA/CD	TBA
23	08/25/10 W	(no meeting)	TBA
24	08/27/10 F	EXAM 2 (2b,2c,3,4,4a)
25	09/01/10 W	LAN Systems: IEEE 802.5	TBA
26	09/03/10 F	(Special Talk by Mark Anthony P. Berdin)	TBA
27	09/08/10 W	Internetworks: Routing	TBA
28	09/10/10 F	(no meeting: holiday)	TBA
29	09/15/10 W	IP Datagram Format	TBA
30	09/17/10 F	(no meeting)	TBA
31	09/22/10 W	IGMP	TBA
33	09/24/10 F	TCP	TBA
34	09/29/10 W	Application Layer Protocols	TBA
35	10/01/10 F		TBA
36	10/06/10 W	EXAM 3 (4a,4b,5,6,7)
*	10/07/10 Th	END OF CLASSES

• Laboratory Schedule (tentative)

Lab	Date	Topic	Handout
1	06/07/10-06/11/10	Introduction
2	06/14/10-06/18/10	Cabling	Reading 1,Reading 2
3	06/21/10-06/25/10	Configuring Windows XP for TCP/IP Networking	Exercise,Reading 1
4	06/28/10-07/02/10	Configuring Linux for TCP/IP Networking	Exercise, Reading 1, Reading 2
5	07/05/10-07/09/10	(no meeting)
6	07/12/10-07/16/10	IP Routing	Exercise
7	07/19/10-07/23/10	Subnet Computations	Reading,Reading,Reading
8	07/26/10-07/30/10	DNS and BIND	Exercise,Reading,Reading,Reading
9	08/02/10-08/06/10	(no meeting)
10	08/09/10-08/13/10	Socket Programming in Java(TCP)	Exercise,Reading 1,Reading 2,Reading 3,Sample Code
11	08/16/10-08/20/10	Socket Programming in Java(UDP)	Exercise,TimeServer.java,GetTime.java
12	08/23/10-08/27/10	Socket Programming in C(TCP)	Exercise
13	08/30/10-09/03/10	GNU Privacy Guard	Tutorial
14	09/06/10-09/10/10	DHCP/Protocol Testing(POP3) and Packet Analysis	Exercise
15	09/13/10-09/17/10	Circle Wars Demo
16	09/20/10-09/24/10	(free day)
17	09/27/10-10/01/10	(free day)
18	10/04/10-10/07/10	Project Initial Presentation

• Resources
• Textbook: Stallings, W. 1996. Data and Computer Communications, 5th Ed. Prentice Hall, Singapore.
• Supplementary Text and References
• Tanenbaum, A. 1997. Computer Networks, 3rd Ed. Prentice Hall, Singapore.
• Halsall, F. 1996. Data Communications, Computer Networks and Open Systems, 4th Ed. Addison-Wesley, Norwich.
• Similar Courses
• 15-441, CMU
• MIT OCW
• CS 144, Stanford
• EE122, UCB
• Relevant Links
• Prof. Shiv Kalyanaraman's Online Audio and Video Lectures on Computer Networking
• RFC Editor
• Internet Engineering Task Force
• DCC 6e Resources
• Linux Guide to IP Layer
• IOS CLI Tutorial
• Cisco Router Configuration Tutorial
• Cisco Internetworking Technology Handbook
• Collection of Applets
• Software
• Network Simulator (for jdk1.5) (developed by M. Detras, V. Lee, R. Lacaneta)
The simulator requires JDK1.6. Run the simulator using the command

java -jar netsim-jdk1.6.jar

Network Simulator NS-2

• Class Policies
• Attendance

Attendance will be checked every meeting. University policy on attendance will be applied.

• Coming in late to class

There will be a closed door policy, 9:15am.

• Missed exam/quizzes/assignments

No makeup will be given to missed quizzes and assignments. Makeup exam will be given only to those who can provide a valid excuse slip.

• Cheating

Students caught cheating will automatically get a grade of 5.0 for the course.

• Grading Programming Exercises

0	did not submit; no email received; student cheated
1	email received; no attachment found; did not follow submission guidelines
3	program does not compile due to syntax errors;missing files
5	program has sufficient code, builds, but has wrong results when run
7	program has sufficient code, builds, fails on some test case or lacks documentation;
10	program has sufficient code, builds, correct results on all test cases

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