Source: https://juejin.cn/user/3931509313252552/postse In communication and IT work, networking is essential, and the most important protocol in the network is TCP. Whether in actual work or in written exams and interviews, you can’t escape TCP. I have read documents related to TCP in the RFC, examined the source code related to TCP in Linux, and looked … Read more
The Concept of OSI: Open System Interconnect is a reference model defined by ISO (International Organization for Standardization). It is a flexible, robust, and interoperable model, not a protocol, commonly used to analyze and design network architecture. The OSI model is divided into seven layers: OSI divides the network into seven layers, from bottom to … Read more
This article organizes knowledge related to the TCP-IP protocol through two diagrams. The TCP communication process includes three steps: establishing a TCP connection channel, transmitting data, and disconnecting the TCP connection channel. As shown in Figure 1, a schematic diagram of the TCP communication process is provided. Figure 1 TCP Three-Way Handshake and Four-Way Disconnect … Read more
Cisco Certification | Huawei Certification | IT Technology | Network Engineer 👇3000 people technical exchange QQ group, remark 【official account】 for faster access In today’s information society, network communication has become the backbone of global information exchange. The TCP/IP model, as the core protocol of internet communication, not only reflects the inevitable choice of technological … Read more
Click the blue text above to follow us Resource Release Huawei Certified Beginner to Advanced Practical Course ↓ Scan to watch the video ↓ 1 1. OSI Reference Model The seven-layer model, also known as OSI (Open System Interconnection), is a standard framework established by the International Organization for Standardization (ISO) for interconnecting computer or … Read more
Click the blue text above to follow us Resource Release Huawei Certification Beginner to Advanced Practical Course ↓ Scan to watch practical videos ↓ 1. Concept TCP/IP (Transmission Control Protocol/Internet Protocol) is the communication protocol for computers connected to the internet. A communication protocol is a description of the rules that computers must follow to … Read more
Author: MobMsg, a senior full-stack engineer and partner at the architect community! TCP/IP Protocol Family The core protocol of the Internet is TCP/IP, which is widely used in both local and wide area networks and has a development history of over 20 years, making it the current international standard. TCP/IP is a protocol family that … Read more
Preface Network Protocols When we connect to the internet using our mobile phones, we use many network protocols. Starting from connecting the phone to WiFi, the 802.11 (i.e., WLAN) protocol is used to access the network; the phone automatically obtains network configuration using the DHCP protocol, and only after obtaining the configuration can the phone … Read more
Author: Ruheng Source: Juejin 1. TCP/IP Model The TCP/IP protocol model (Transmission Control Protocol/Internet Protocol) includes a set of network protocols that form the foundation of the Internet; it is the core protocol of the Internet. The TCP/IP reference model divides the protocols into four layers: the Link Layer, Network Layer, Transport Layer, and Application … Read more
Bluetooth is a radio technology that supports short-distance communication between devices (generally within 10m). Over the past few years, we have become familiar with it, as it has become an indispensable module in digital products. The emergence of Bluetooth technology has freed us from the constraints of numerous data cables when connecting various devices, such … Read more