Exchange

WCF Message Exchange Patterns

Explains the three message exchange patterns (MEPs) — One-Way, Request-Reply, and Duplex — that define how messages flow between a WCF client and service.

Dead Letter Exchanges

Learn how RabbitMQ reroutes rejected, expired, or overflowed messages to a dead letter exchange so failures become observable and recoverable instead of silent…

Direct Exchange Explained

Learn how RabbitMQ's direct exchange routes messages to queues using exact routing key matches, and when to reach for this exchange type.

Fanout Exchange Explained

Understand how RabbitMQ's fanout exchange broadcasts every message to all bound queues, ignoring routing keys entirely.

Headers Exchange Explained

Discover how RabbitMQ's headers exchange routes messages by matching message header attributes instead of routing keys, using x-match rules.

Topic Exchange Explained

Learn how RabbitMQ's topic exchange uses wildcard pattern matching on dot-separated routing keys for flexible, hierarchical message routing.