This is a course on communications through the Internet where basic technologies to interconnect different computers are studied.

The programme is divided in three parts:
FIRST PART: Introduction to computer networks and Internet.
I.1 Network concept and types.
I.2 Internet structure.
SECOND PART: Network layer
II.1 Basic network layer concepts.
II.2 IP introduction: IP header, fragmentation, ICMP.
II.3 IP addressing: IP network design, IP address management, DHCP, NAT.
II.4 IP over Ethernet, ARP.
II.5 Introduction to IPv6: header format, addressing, Neighbor Discovery.
II.6 Network routing: distance vector protocols, links state protocols. Dijkstra and Bellman-Ford algorithms.
II.7: An Internet routing protocol: RIP.
THIRD PART: Transport layer
III.1 Basic transport layer concepts.
III.2 UDP.
III.3 TCP: segment structure, connection management, congestion control.