CSC521 - Communication Protocols

This repository is the laboratories and exercises of the course CSC521 at the National University of Kaohsiung.

Focused Topic

Lab1 - The basic development of pcap library

The building system
Listing network interfaces
Sending packets
Receiving packets

Lab2 - Link layer protocols

Address Resolution Protocol(ARP)
ARP request
ARP reply

Lab3 - Network layer protocols

Parital of Internet Protocol(IP)
Partial of Internet Control Message Protocol(ICMP)
ICMP echo request
ICMP echo reply

Lab4 - Transport layer protocols

User Datagram Protocol(UDP)
Partial of Transmission Contorl Protocl(TCP)
Partial of Domain Name System(DNS)
The complete DNS resolver

Dependency

libpcap

TODO

Refactor IP layer and UDP/TCP layer to reduce the coupling from upper-layers
Enlarge the tosend_queue to avoid overwriting on sending packets
Unify the naming