When we effortlessly browse the web, send emails, or watch videos, data is traveling at the speed of light between billions of devices worldwide. Behind this orderly process lies not magic, but a carefully designed set of rules—the TCP/IP protocol. It is hailed as the “foundation” of the internet and can even be considered the … Read more
Imagine you want to send a letter to a friend far away. What do you need to do? You put the letter in an envelope, write the recipient’s address and postal code, add your own address, and finally drop it in the mailbox. This entire process is exactly like how your computer sends data over … Read more
TCP/IP: Transmission Control Protocol/Internet Protocol TCP/IP (Transmission Control Protocol/Internet Protocol) is the fundamental protocol of the Internet and the foundation of the global interconnected network. It is not just a single protocol but a suite of protocols that includes multiple network protocols such as IP, ICMP, TCP, UDP, HTTP, FTP, SMTP, and others. These protocols … Read more
One-timePaymentto Join,Long-termFree Tutorials,NoPaid Tutorials. JoinWeChat GroupReply to Public Account:WeChat Group;QQ Group:460500587 Tutorial List See the bottom menu of the public account | Recommended Books at the Bottom of This Article Public Account: Computer and Network Security ID: Computer-network 1. Overview of TCP/IPWhen discussing the history of TCP/IP, one cannot avoid mentioning the history of the … Read more
Since HTTP/1.0, up to HTTP/2, TCP has always been the foundation of the HTTP protocol, mainly because it provides a reliable connection. However, starting from HTTP 3.0, this situation has changed. Because, in the newly launched HTTP 3.0, the TCP protocol has been completely abandoned. TCP Head-of-Line Blocking We know that during TCP transmission, data … Read more
Source: ZTE Documentation Original Author: ZTE Documentation Have you heard of IPv5? It was once a highly anticipated technology! IPv5, also known as the Internet Stream Protocol (ST), was designed for connection-oriented communication across IP networks, aiming to support voice and video. However, its 32-bit address scheme is the same as that used by IPv4, … Read more
By carefully observing, you will find that some websites start with http, while others start with https. Why is there such a difference? What are the distinctions between the two? The internet police will explain: HTTP, also known as Hypertext Transfer Protocol, is a protocol we use daily for browsing the web. It is a … Read more
Every time you open a webpage, many URLs start with “http”, for example: “http://www.snooker.org/”, “http://www.juxingzaixian.com/pc/” However, sometimes when you access high-security websites such as banks, the prefix changes to “https”, for example: https://apply.mcard.boc.cn/apply/pc/index What do these two prefixes mean? What is their purpose? Many users may not be aware of this. Let me explain it … Read more
I remember the first time I learned about the global Internet, I wondered what it was really like. When people told me there was a computer network covering almost all of the United States and many places around the world, the first image that came to my mind was a thick cable running along telephone … Read more
To better explain this abstract topic, we will analyze the same issue from different perspectives. Remember the story of the blind men and the elephant? Some say the elephant is like a large tree, while others say it resembles a fan. These views are certainly one-sided, but if we gather all these perspectives, we can … Read more