COMP 123 -- Internet Services & Protocols Spring 2004 MW 2:00-3:15, SN014 Kevin Jeffay Office hours: MW 3:15-4:15 SN324 jeffay at cs.unc.edu TAs: Alok Shriram Office hours: TuTh 9:30-10:30 SN040 alok at cs.unc.edu Sankar Vijayaraghavan Office hours: WF 11:15-12:15 SN040 sankar at cs.unc.edu

Copies of Class Handouts

• Course outline & syllabus (1/07)
• Programming and documentation guidelines (1/07)

Copies of Homework Assignments

• Homework 1 -- Java Warmup -- HTTP Parsing (Assigned 1/07, Due 1/14)
• Homework 2 -- Web server building blocks (1/14) (Due 1/21)
• Homework 3 -- Understanding delay and loss on the Internet (1/21) (Due 2/2)
• Homework 4 -- Web server building blocks -- a simple client/server system (2/4) (Due 2/11)
• Homework 5 -- The final web client and server (2/11) (Due 2/18)
• Homework 6 -- Chapter 1 & 2 written problems (2/18/04) (Due 3/01)
• Homework 7 -- Chapter 2 & 3 written problems (3/22/04) (Due 3/29)
• Homework 8 -- Chapter 3 written problems (3/29/04) (Due 4/5 -- Extended to 4/7)
• Homework 8' (Optional/Extra Credit) -- Understanding the Impact of the DNS on the Performance of Web Browsing (3/29/04) (Due 3pm, 4/12)
• Homework 9 -- Chapter 3 & 4 written problems (4/7/04) (Due 4/14)

Copies of Lecture Notes

• Administrivia (Weds. 1/07).
• Part 1 -- A Whirlwind Introduction to the Internet
  • Lectures 1&2 (1/12)
  • Lectures 3&4 (1/21)
• Part 2 -- Application-Layer Protocols
  • Lecture 5 -- Client/Server Computing and and Socket Programming (2/2)
  • Lecture 6 -- The Web and HTTP (2/2)
    • RFC1945 -- HTTP/1.0
    • RFC2616 -- HTTP/1.1
  • Lecture 7 -- HTTP Persistence & Web Caching (2/9)
  • Lecture 8 -- SMTP & POP (2/11)
  • Lecture 9 -- The Domain Name System (2/18)
• Part 3 -- Transport Layer Services and Protocols
  • Lecture 10 -- Multiplexing/Demultiplexing & UDP (2/23)
  • Lecture 11 -- Reliable Data Transport (2/25)
  • Lecture 12 -- Pipelining (3/17)
  • Lecture 13 -- TCP Intro & Flow Control (3/24)
  • Lecture 14 -- TCP Congestion Control (3/29)
  • Lecture 15 -- TCP Performance (3/31)
• Part 4 -- Network Layer Services and Protocols
  • Lecture 16 -- Intro & Link State Algorithms (4/5)
  • Lecture 17 -- Distance Vector Routing & Hierarcichal Routing (4/7)
  • Lecture 18 -- The Internet Protocol IP (4/12)
  • Lecture 19 -- Routing on the Internet (4/14)
  • Lecture 20 -- Link-Layer Routing (4/14)

On-Line Java References

• The infamous (but definitive) Sun Java tutorial.
• Sun's on-line documentation for common classes
• Java language specification.

What you have to look forward to when you graduate...

• Dilbert du jour.