Computer Networks

Instructor: Tarek Abdelzaher, 236B Olsson, 982-2227, zaher@cs.virginia.edu

Lecture Slides and Handouts

The lecture slide material for CS 457 can be accessed below. These slides alone are not sufficient for study. They are here as reference material.

• Introduction to Networks.
  (PDF) - (PS)
  • Optional Reading: "Implementing a Senitent Computing System", IEEE Computer, August 2001.
    (PDF) - (PS)
  • Optional Reading: Sensor network technology: MICA, The Commercialization of Microsensor Motes, Sensor Technology and Design, April 2002.
• Introduction Continued.
  (PDF) - (PS)
  • Study Material: Timing and Delay Charts
• The Physical Layer.
  (PDF) - (PS)
  • Optional Reading:
    • ADSL Tutorial
    • Bluetooth - Goodbye to cables! (PDF) - (PS)
    • UVa Border Network Map
• Data Encoding.
  (PDF) - (PS)
  • Optional Reading: National Oceanic and Atmospheric Administration (NOAA) Datalink Protocol
  • Study Material: Solved examples on CRC encoding.
    (PDF)- (PS)
• Flow Control.
  (PDF) - (PS)
• LANs - Ethernet.
  (PDF) - (PS)
  • Technology Watch: 10 Gigabit Ethernet and recent market data.
• FDDI.
  (PDF) - (PS)
• Wi-Fi (802.11) and Bluetooth.
  (PDF) - (PS)
  • Optional Reading: How to set up your own wireless network?
• Network Layer.
  (PDF) - (PS)
  • Optional Reading: History of the Internet!
• Routing
  (PDF) - (PS)
• ARP/RARP/Mobile IP.
  (PDF) - (PS)
• Multicast.
  (PDF) - (PS)
  • Optional Reading: MBone: The Internet Multicast Backbone
• Transport Layer
  (PDF) - (PS)
• Review
  (PDF) - (PS)
• Programming Perspective
  (PDF) - (PS)
• Congestion Control
  (PDF) - (PS)
  • Info bits: Current position of Van Jacobson, the inventor of TCP (Tahoe) congestion control, at PacketDesign, a recent startup.
• Web Caching
  (PDF) - (PS)
• HTTP
  (PDF) - (PS)