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Summary of contents

After the first part of the review and study on the TCP / IP suite, the course addresses the most important issues related to "Internet" technology, e.g.: network security, architectures and protocols for wireless networks, quality of service, multimedia services and finally the mobility management and the architecture of routers.


The following arguments represents the minimum knowledge required to the students for following the course in an effective way: basic concepts of data networking, circuit and packet switching (virtual call and datagram paradigms), functional architectures, ISO OSI architecture, TCP/IP architecture, physical layer main characteristics (physical media (cables, optical fiber, wireless), structured cabling), data layer basic characteristics, Ethernet/IEEE 802.3 protocol, Layer 2 bridging/switching, Virtual LAN Technologies, IPv4 basic concepts, IP routing basics, TCP/UDP basic knowledge.


The course, beyond the parts of frontal teaching, provides for some topics exercises/demonstrations that are intended to translate into a practical experience some of the concepts and ideas described in class. Some exercises/demonstrations include multiple themes at the same time. The students are organized  in small group (3-4 persons) and a specific time schedule with many repetitions of the exercises/demonstrations are organized to give to everyone the opportunity of following these practical lessons.

Detailed contents

  • Elements of Internet architecture;
    • IPv4 review (management of IP addresses);
    • IP routing algorithm and protocol review;
    • Multicast;
    • IPv6;
    • UDP / TCP;
    • Flow control and congestion in packet networks;
    • Application layer;
    • Practical: experiences on basic router configuration;
  • Network and Computer Security
    • Basic concepts
    • Algorithms
    • Standard protocols
    • Vulnerability of networks
    • Summary of the local (Italian) regulations
    • Computer security
  • Architectures and Protocols Wireless
    • Wi-Fi (IEEE 802.11)
    • Bluetooth (IEEE 802.15.1)
    • WiMax (IEEE 802.16)
    • Sensor networks ((IEEE 802.15.4)
    • Practical: configuration and security issues in WiFi networks
  • Quality of Service (QoS) in IP networks
    • Introduction to QoS over IP networks
    • IETF Differentiated Services and Integrated Services Architectures
    • ReSerVation Protocol (RSVP)
    • Multi Protocol Label Switching (MPLS);
    • Tutorial: MPLS and QoS in commercial routers
  • Multimedia on the Internet (8 hours)
    • Voice and Video over IP
    • Real Time Protocol (RTP) and Session Description Protocol
    • Architecture H.323
    • Session Initiation Protocol (SIP)
  • Mobility Management in the Internet (Summary)
  • Architecture of IP nodes (Summary)


  • J. F. Kurose, K. W. Ross, Computer Networking: A Top-Down Approach, 5/Edition, MacGraw-Hill, 2010.
  • A. S. Tanembaum, Computer Networks, (5th Edition), 2010.
  • W. Stallings, Data and Computer Communications (9th Edition), Prentice Hall, 2010.
  • W. Stallings, Wireless Communications and Networks, Prentice Hall, 2004.
  • W. Stallings, Cryptography and Network Security (5th Edition) McGraw-Hill, 2010.
  • V. Kumar, M. Korpi, S. Sengodan, IP Telephony with H.323 (Architectures for unified networks and integrated services), Wiley & Sons, 2001.
  • H. Sinnreich, A. Johnston, Internet Communications Using SIP, Second Edition, Wiley & Sons, 2006.

Download the course slides


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