Computer Networks 2018

(Redes de Computadores 2018)

Computer Networks

Computer Networks is a mandatory first course on fundamentals of computer networks. It belongs to the 5th semester of the course in Informatics Engineering of FCT/UNL. As prerequisites students should have previous acquaintance with programming and operating systems.

This site presents a brief overview of the course and also delivers some course support materials, namely to the laboratory sessions.

Enrolled students from FCT/UNL should take in consideration that all academic information, as well the official rules, namely the official grading rules, are only available in the academic management system of FCT/UNL: > .... > Redes de Computadores


  • Introduction to computer networks: terminology, organization, services, components and structuring principles
  • Reliable data transmission
  • Quality of service
  • Information diffusion
  • Names and addresses
  • Routing: principles and algorithms
  • Fundamentals of TCP/IP networks
  • Fundamentals of communication channels in general and Ethernet switched networks

Learning goals

  • Understand the architecture and the internals of computer networks
  • Performance indicators and their estimation and measurement
  • Understand the transport and network layers impact in networked applications
  • Understand how content is diffused
  • Transport interfaces and their usage
  • Analyze, structure and implement small distributed applications


José Legatheaux Marins, "Fundamentos de Redes de Computadores - Ilustrado com base na Internet e nos Protocolos TCP/IP," FCT da Universidade Nova de Lisboa, 2018.

Public book site

James F. Kurose and Keith W. Ross, "Computer Networking - A Top-Down Approach," Addison Wesley — Pearson Education, 2012, ISBN-10: 0136079679, 6th Edition