Tag: computer-networks
All the articles with the tag "computer-networks".
Computer Networks: The Transport Layer
Starting from ports and inter-process communication, this article introduces TCP's byte-stream transmission, automatic retransmission, sliding window, and segment structure. It uses Wireshark packet captures to analyze the three-way handshake and the four-way termination, and discusses connection states such as TIME-WAIT and CLOSE-WAIT together with related troubleshooting scenarios.
Computer Networking: The Network Layer
Reviews IPv4 address classes, ARP address resolution, IP datagrams, subnet masks, and routing, and explains the relationship between IP and MAC addresses. It also records troubleshooting connection failures after rebuilding AWS VPC instances and the solution of retaining network interfaces.