Master RabbitMQ Dead-Letter Queues: When and How Messages Get Redirected

This guide explains RabbitMQ dead-letter queues, detailing the conditions that cause messages to become dead letters, how to configure exchanges and queues with x-dead-letter parameters, and demonstrates three testing methods—reject/nack, TTL expiration, and max-length overflow—using Spring Boot code examples.

Dead Letter QueueMessage QueuingRabbitMQ

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Master RabbitMQ Dead-Letter Queues: When and How Messages Get Redirected

360 Tech Engineering

Nov 27, 2020 · Fundamentals

Understanding MQTT Publish and Subscribe: Message Formats, QoS Levels, Retain Flags, and Acknowledgments

This article explains how MQTT handles message publishing and subscribing, covering topic structures, QoS levels, retain flags, payload details, duplicate fields, subscription formats, packet identifiers, subscription acknowledgments, and unsubscribe procedures, providing a comprehensive overview of the protocol's messaging workflow.

IoTMQTTMessage Queuing

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MaGe Linux Operations

Sep 9, 2020 · Backend Development

Mastering RabbitMQ: Architecture, Routing, Persistence, and Clustering Explained

This article provides a comprehensive overview of RabbitMQ, covering its origins, core components, message routing patterns, persistence mechanisms, delivery modes, RPC support, clustering design, mirrored‑queue architecture, and flow‑control strategies for building reliable backend systems.

ClusterDistributed SystemsMessage Queuing

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Mastering RabbitMQ: Architecture, Routing, Persistence, and Clustering Explained

Senior Brother's Insights

Aug 11, 2020 · Backend Development

Mastering AMQP: A Deep Dive into Exchanges, Queues, and Message Flow

This article provides a comprehensive overview of the AMQP 0‑9‑1 protocol, explaining its core components—publishers, exchanges, queues, and consumers—detailing each exchange type, queue properties, message acknowledgment, routing rules, and practical usage considerations for reliable backend messaging.

AMQPBackend MessagingExchanges

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Mastering AMQP: A Deep Dive into Exchanges, Queues, and Message Flow

Architects Research Society

Jul 16, 2020 · Big Data

Differences Between MQTT and Kafka: Protocol Design, Use Cases, and Integration

The article explains how MQTT, a lightweight IoT messaging protocol, and Kafka, a distributed streaming platform, differ in architecture, purpose, and design goals despite both using publish/subscribe, and discusses their complementary integration via bridges such as EMQ X.

IoTKafkaMQTT

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Differences Between MQTT and Kafka: Protocol Design, Use Cases, and Integration

Dada Group Technology

Apr 4, 2018 · Backend Development

Implementing Real-Time Order Printing via WebSocket and Netty in Backend Development

This technical article discusses implementing an automatic printing solution for e-commerce merchants using WebSocket and Netty frameworks to enable real-time order push notifications and reduce manual intervention in the order processing workflow.

Message QueuingNettyWebSocket

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Implementing Real-Time Order Printing via WebSocket and Netty in Backend Development