CPSC 441: Computer Communications (Section L02, Winter 2005)

Course Description:

The purpose of this course is to introduce fundamental principles and concepts of computer networks. This year the course will follow a top-down approach, where we will first study popular network applications, then study communications services required to support these applications, and finally study how these communication services are implemented. Throughout this course, we will use the Internet's architecture and protocols to reinforce fundamental computer networking principles.

Textbook and References

The recommended textbooks for this course are:
It is recommended that you purchase one of the above-mentioned textbooks. Note that lectures will be drawn from both textbooks as well as recent research literature.

Lectures Outline

  1. Introduction (2 weeks)
    Overview of the Internet, client/server paradigm, circuit switching, packet switching, physical media, queuing delay and packet loss, TCP/IP and OSI reference models, Internet Protocol Stack
    Lecture Slides: Introduction (PPT , PDF) 
    CAnet4 map
    Readings: Chapter 1 (Kurose and Ross); Sections 1.1 - 1.9, 2.2 (Tanenbaum)
  2. Network Layer Addressing (1 week) 
    NIC addressing, IP addressing, IPv4, IPv6, ICMP 
    Lecture Slides: Network Layer Addressing (PPT, PDF), Link Layer Addressing (PPT, PDF) 
    Readings: Section 4.4, 5.4 (Kurose and Ross); Section 5.6 (Tanenbaum)
  3. Application Layer (1.5 weeks) 
    Service requirements, WWW, HTTP, Electronic Mail, Domain Name System, Socket programming 
    Lecture Slides: HTTP and WWW (PPT , PDF), FTP, SMTP (PPT, PDF), DNS (PPT, PDF)
    Readings: Chapter 2 (Kurose and Ross); Sections 7.1 - 7.3 (Tanenbaum)
  4. Transport Layer (2 weeks) 
    Service models, Multiplexing/Demultiplexing, Connection-less transport (UDP), Principles of reliable data transfer, Connection-oriented transport (TCP), TCP congestion control, TCP Variants
    Lecture Slides: Introduction/UDP (PPT, PDF), Checksum IP/UDP (PPT, PDF), Reliable Data Transfer (PPT, PDF), Transmission Control Protocol (PPT, PDF) 
    Readings: Chapter 3 (Kurose and Ross); Chapter 6 (Tanenbaum)
  5. Network Layer Routing (1.5 weeks) 
    Routing and forwarding, Routing algorithms, Routing in the Internet, Multicast 
    Lecture Slides: Forwarding (PPT, PDF), Routing (PPT, PDF) 
    Readings: Chapter 4 (Kurose and Ross); Chapter 5 (Tanenbaum)
  6. Link Layer and Local Area Networks (1.5 weeks) 
    Link layer services, Error detection and correction, Multiple Access Protocols, Link layer addressing, Ethernet, Hubs and switches, Point-to-Point Protocol
    Lecture Slides: (PPT, PDF) 
    Readings: Chapter 5 (Kurose and Ross); Sections 3.1, 4.1 - 4.3 (Tanenbaum)
  7. Wireless and Mobile Networks (1.5 weeks) 
    Wireless links and network characteristics, Wi-Fi: IEEE 802.11 Wireless LANs, Cellular Internet Access, Mobility management and Mobile IP 
    Lecture Slides: (PPT, PDF) 
    Readings: Chapter 6 (Kurose and Ross); Sections 4.4 - 4.5 (Tanenbaum)
  8. Multimedia Networking (1 week) 
    Networked multimedia applications, best-effort service and multimedia delivery requirements, Multimedia protocols (RTSP, RTP, RTCP, SIP), Content Distribution Networks 
    Lecture Slides: (PPT, PDF) 
    Readings: Sections 7.1 - 7.5 (Kurose and Ross); Section 7.4 (Tanenbaum)
  9. Security (1 week) 
    Principles of cryptography, symmetric key algorithms, public key algorithms 
    Readings: Sections 8.1 - 8.5 (Kurose and Ross); Sections 8.1 - 8.3 (Tanenbaum)

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