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