In the first part of my adventure, I arrived at the Nginx building, where I was greeted by the receptionist at station 04, who then directed me to Tomcat. There, I encountered the famous thread 0x6904, who took me to meet the head of the Struts Filter. We then went to the second floor to … Read more
In streamable HTTP transmission, the server operates as an independent process capable of handling multiple client connections. Streaming utilizes HTTP POST and GET request methods. The server can optionally use Server-Sent Events (SSE) to stream multiple server messages. This allows basic MCP servers as well as feature-rich servers to support streaming, server-to-client notifications, and requests. … Read more
Source: Java Backend Programming History of HTTP Overview of QUIC Protocol RTT Connection Establishment Connection Migration Head-of-Line Blocking / Multiplexing Congestion Control Flow Control After years of effort, on June 6, the IETF (Internet Engineering Task Force) officially released the RFC for HTTP/3, which is the third major version of the Hypertext Transfer Protocol (HTTP). … Read more
Technical Comparison of HTTP/2 vs HTTP/3 🚀 The HTTP protocol is an essential foundation for modern web communication. As network demands have evolved, the HTTP protocol has progressed from its earlier versions to HTTP/2 and the latest HTTP/3. This article will provide a detailed analysis of the technical differences between these two versions through comparative … Read more
Click the blue “Programmer DD” above and select “Add to Favorites” Reply with “Resources” to get exclusive learning materials! Source | 8rr.co/4zhkWhether in backend or frontend development, we all encounter different HTTP status codes. Some common status codes include: 200 – The server successfully returned the webpage 404 – The requested webpage does not exist … Read more
Understanding the HTTP Protocol 1. Concept of HTTP Protocol: Concept: Hypertext Transfer Protocol, which specifies the rules for data transmission between browsers and servers. 2. Characteristics of HTTP Protocol Based on TCP protocol: connection-oriented and secure. Based on request-response model: one request corresponds to one response. HTTP is a stateless protocol: it has no memory … Read more
The MQTT protocol (Message Queuing Telemetry Transport) is a lightweight messaging protocol designed for resource-constrained devices and low-bandwidth, high-latency networks. It is particularly suitable for remote connections that require minimal code footprint or limited network bandwidth. MQTT 5.0 is the latest version of this protocol, featuring numerous improvements over previous versions. New functionalities include: reason … Read more
1. Basic Usage of MQTT 1. Add Dependencies // build.gradle (app) implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.5' implementation 'org.eclipse.paho:org.eclipse.paho.android.service:1.1.1' 2. Configure Permissions <!– AndroidManifest.xml –> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.FOREGROUND_SERVICE" /> <service android:name="org.eclipse.paho.android.service.MqttService" /> 3. Core Code Example class MqttManager(context: Context) { private val serverUri = "tcp://mqtt.eclipse.org:1883" private val clientId = "android-client-[0m${System.currentTimeMillis()}" private val qos = … Read more
MQTT Introduction  MQTT[1] 5.0, launched in March 2019 by OASIS (Organization for the Advancement of Structured Information Standards), is a significant upgrade from the MQTT 3.1.1 version released in 2014.  As a messaging protocol specifically designed for the Internet of Things (IoT) and Industrial IoT, it was previously introduced in ‘MQTT, Friend of Weak Networks’, … Read more
Introduction to MQTT MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol based on the publish/subscribe model, designed for low-bandwidth, high-latency, or unreliable network environments. It is widely used in the Internet of Things (IoT), mobile applications, and distributed systems to enable efficient communication between devices. By reducing data transmission volume and simplifying communication … Read more