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Transcript
Undergraduate Curriculum
SIGCOMM 2002 Education Workshop
Russell J Clark
College of Computing
Georgia Institute of Technology
[email protected]
August 20, 2002 - [email protected]
1
GT’s Current Undergrad
Offerings
• 3251 Introduction to Networking
Internet “Best” Practices - 120 students, 2/year
• 4251 Networking II
More Depth, +Physical Layer - 40 students, 2/year
• 4255 Network Management
FCAPS, SNMP - 30 students, 1/year
• 4260 Telecommunication Systems
Telco Architecture and History - 30 students, 2/year
• 4270 Data Communications Laboratory
Hands On Labs - 24 students, 2/year
August 20, 2002 - [email protected]
2
3251 - Intro to Networking
• A survey course
• Current “best” practices of the Internet.
• Teach core networking concepts through the examples of current Internet protocols.
• Not a lab course. 60% written, 40% sockets programming
• Currently using Kurose and Ross.
August 20, 2002 - [email protected]
3
Key Themes - My View
• What are protocols?
why needed, standards, specifications, evolution
• Layering Abstraction
service interface, encapsulation, modular design
• Performance Issues
protocol overhead, bandwidth vs propagation delay, effect of error rate
• Network Programming Issues
API’s (e.g. sockets), data representation, reliability,
security
• Security Issues
cleartext messages, address spoofing, DOS
August 20, 2002 - [email protected]
4
Key Themes - Students’ View
• Applications - HTTP, SMTP, POP, DNS
Contrast of design, signaling. Demo using Telnet.
• Transport - TCP, UDP
Connection management, ARQ, Flow and Congestion Control
• Network - IP, IPv6
Routing protocols, addressing, NAT, firewalls, IP vs
MAC addressing, IPv6 transition
• Datalink - CSMA/CD Ethernet
Emphasis on probabilistic nature and timing issues, evolution to 100Mb, Gb and wireless.
August 20, 2002 - [email protected]
5
Student Projects
Successes
• Network discovery: traceroute, ping, arp
• Socket implementations
– TCP and UDP
– Both client and server to my specification.
– Just one end, must interoperate with mine.
– Student designs protocol and implements.
Experiences
• commercial simulation packages
• performance competitions, bakeoffs
August 20, 2002 - [email protected]
6
Challenges and Opportunities
• Top Down vs Bottom Up vs Neither
• Theory vs hands-on?
• How much programming and when?
• How to teach performance analysis issues?
• Lighter weight simulation projects.
• Dealing with larger class sizes
August 20, 2002 - [email protected]
7