71 Images Explaining IP Addresses, Routing, Fragmentation, and More

71 Images Explaining IP Addresses, Routing, Fragmentation, and More

Directory Some friends asked: Why can’t we go online without configuring an IP address? What is the IP protocol? This starts with the TCP/IP protocol; the Internet uses the TCP/IP protocol, among which the IP protocol is one of the most important protocols. The IP protocol sends data packets to the destination host based on … Read more

Building a TCP/IP Stack: Part 1 – Ethernet & ARP

This article is a translation of “Let’s code a TCP/IP stack, 1: Ethernet & ARP”. The translation process is also a learning experience for myself. Writing your own TCP/IP stack may seem like a daunting task. In fact, TCP has accumulated many specifications over its more than thirty years of life. However, the core specifications … Read more

A Brief History of Computer Networks

A Brief History of Computer Networks

The development of computer networks has come a long way. The various communication software we use today undoubtedly relies on computer networks. But do you know the background of the emergence of computer networks? We have eliminated the phenomenon of information silos now, but several years ago, did you know that computer networks could help … Read more

A Packet’s Journey Through TCP/IP

A Packet's Journey Through TCP/IP

4 Network Layer IP The transmission of packets mainly goes through Application Layer, Transport Layer, Network Layer, and Link Layer. Following the explanation of the application layer HTTP and Transport Layer TCP, the application layer data is encapsulated by the transport layer and then needs to be encapsulated by the network layer. The core task … Read more

36 Illustrative Images on Computer Network Knowledge Points Worth Collecting and Learning

36 Illustrative Images on Computer Network Knowledge Points Worth Collecting and Learning

1. Overview of Computer Networks 1.1 Classification of Computer Networks According to the scope of the network: Wide Area Network (WAN), Metropolitan Area Network (MAN), Local Area Network (LAN); According to the users of the network: Public network, Private network. 1.2 Hierarchical Structure of Computer Networks Comparison of the TCP/IP four-layer model and the OSI … Read more

Understanding Enterprise Switch Networking: Basic Concepts

Understanding Enterprise Switch Networking: Basic Concepts

Click the blue text above to follow us Resource Release Huawei Certification Beginner to Advanced Practical Course ↓ Scan to watch the video online ↓ 1. Broadcast Domain As shown in the figure, an Ethernet composed of one or more switches has all stations within the same broadcast domain. As more switches are added, the … Read more

6 Key Technologies in Artificial Intelligence Applications Explained

6 Key Technologies in Artificial Intelligence Applications Explained

Introduction: In China’s “Artificial Intelligence Standardization White Paper (2018)”, a definition of artificial intelligence is given: “Artificial intelligence is the theory, methods, technologies, and application systems that utilize digital computers or machines controlled by digital computers to simulate, extend, and enhance human intelligence, perceive the environment, acquire knowledge, and use knowledge to achieve optimal results.”“ … Read more

Five Levels of Artificial Intelligence Agents

Five Levels of Artificial Intelligence Agents

AI Five Levels of Artificial Intelligence Agents Cobus Greyling Autonomous AI Agents are capable of independently executing a series of complex tasks to achieve their goals. The terms AI agents, autonomous agents, agentic applications, or what I refer to as agentic X are interchangeable. · Some Background · I really enjoy the example of Agile’s … Read more

Embracing AI Agents: KPMG’s Enterprise-Level New Productivity Solutions

Embracing AI Agents: KPMG's Enterprise-Level New Productivity Solutions

Trends Tracking The Heat of New Productivity Remains Unabated, AI Agents Lead the Transformation Since September 2023, General Secretary Xi Jinping first proposed the term “new productivity” during his visit to Heilongjiang. In the 2024 government work report, it emphasized that “new productivity” has become a key task for this year. Various social entities must … Read more

TCP/IP Study Notes (3) – IP, ARP, and RARP Protocols

TCP/IP Study Notes (3) - IP, ARP, and RARP Protocols

The reason for studying these three protocols together is that they operate at the same layer. The ARP protocol is used to find the Ethernet MAC address of the target host, while IP carries the message to be sent. The data link layer can obtain transmission information from ARP and the data to be transmitted … Read more