Category: computer network

[computer network] Domain Name System 0

[computer network] Domain Name System

Table of contents Problem Description The main function : Internet Domain Name Structure The difference between the three domain name servers Problem Description What is the main function of the Domain Name System? What...

[computer network] congestion control 0

[computer network] congestion control

Table of contents Example 1 The main difference between congestion control and flow control Example 1 The relationship between the TCP congestion window cwnd size and the transmission round n is shown in Table...

TCP’s three-way handshake and four-way wave 0

TCP’s three-way handshake and four-way wave

Article directory foreword 1. TCP three-way handshake 2. The four waves of TCP Three, TCP state transition foreword TCP’s [three-way handshake] and four-way wave. 1. TCP three-way handshake The purpose of the three-way handshake:...

iptables basics 0

iptables basics

Article directory iptables Firewall working mechanism iptables table and chain iptables command command format chain management commands Rule management commands matching criteria processing action [iptables] iptables is a tool that works in user space...