1. Introduction 1. Origin Today, our ability to navigate the web is thanks to the vision of a computer scientist, Tim Berners-Lee. On August 6, 1991, Tim Berners-Lee officially launched the world’s first website (http://info.cern.ch) on a NeXT computer at the European Organization for Nuclear Research (CERN), establishing the basic concepts and technical framework of … Read more
1. What is Cybersecurity? Cybersecurity includes network software security, network device security, and network information security, which refers to protecting the hardware, software, and data in network systems from accidental or malicious changes, destruction, or leakage, ensuring that the system can operate reliably, continuously, and normally, with uninterrupted network services. For example, certain official websites … Read more
1. What is an HTTP Packet What is HTTP HTTP: (HyperText Transfer Protocol) is the protocol used for transferring hypertext from World Wide Web (WWW) servers to local browsers. HTTP is a protocol based on the TCP/IP communication protocol for transmitting data (HTML files, image files, query results, etc.). HTTP is an application layer protocol, … Read more
Web Crawlers are a common application scenario in Python, primarily used to gather information from the internet. Since crawlers rely on the network, it is essential for us to understand what a network is. A network consists of several nodes connected by links, and the vast network formed by connecting multiple networks is called the … Read more
Basic Definition The full name of the MQTT protocol is (Message Queuing Telemetry Transport), which is a lightweight communication protocol based on the publish/subscribe model. Many textual descriptions of the MQTT protocol can be found online: it is a lightweight communication protocol based on the Publish/Subscribe model and built on top of the TCP/IP protocol. … Read more
1. What Is MQTT Protocol The full name of MQTT protocol is Message Queuing Telemetry Transport, translated as Message Queue Telemetry Transport. It is a message protocol based on the publish-subscribe model under ISO standards, based on the TCP/IP protocol suite, designed to improve the performance of network device hardware and the network itself. MQTT … Read more
Reading this article takes about 7.45 minutes. Author: Ruan Yifeng http://www.ruanyifeng.com/blog/2012/06/internet_protocol_suite_part_ii.html This article is a supplement to the previous introduction to the TCP/IP protocol, expanding on various protocols to give everyone a global overview of network protocols. The previous article analyzed the overall concept of the Internet, from the bottom up, discussing the design philosophy … Read more
For more advanced 5G services, TCP/IP is considered suboptimal. On April 7, the European Telecommunications Standards Institute (ETSI) announced the establishment of a new industry specification working group, “Non-IP Networking” (ISG NIN). The goal of this working group is to research and develop new network protocols for 5G networks to replace TCP/IP. The press release … Read more
Editor Recommended This issue’s topic – What was your initial motivation for learning programming? Computer Networking – Juniper Firewall Basic Introduction Course and PDF Click here“Read the original text” to exchange for the download link
✦ Course Teaching Outline ✦ 1 Basic Course Information Course Chinese Name TCP/IP Protocol Analysis Course English Name TCP/IP Protocol Analysis Course Category Compulsory Applicable Majors Network Engineering, Internet of Things Engineering, Computer Science and Related Majors Total Class Hours 32 Total Credits 2 Prerequisite Courses Computer Networks Co-requisite Courses None Subsequent Courses Network Security, … Read more