RabbitMQ is an open-source message-broker software (sometimes called message-oriented middleware).
It is lightweight and easy to deploy, supports multiple messaging protocols. Can be deployed in distributed and federated configurations to meet high-scale, high-availability requirements.

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Frequently Asked Questions
RabbitMQ ships in a state where it can be used straight away in simple cases such as development and QA environments – just start the server, enable the necessary plugins, and it’s ready to go.
For more details, refer to the installation guide.
RabbitMQ is a popular open-source message broker, meaning it acts as a middleman for asynchronous communication between applications. This asynchronous nature makes it valuable for a variety of use cases:
Microservices communication, load balancing, task queuing and background processing, data and event streaming, notifications and alerts, caching and data synchronization, and offline processing.
Here are some notable alternatives to RabbitMQ:
Apache Kafka
Apache ActiveMQ
Apache Pulsar
NATS (NATS.io)
Microsoft Azure Service Bus
Amazon Simple Queue Service (SQS)
Redis
IBM MQ
HornetQ
Here are some key distinctions between RabbitMQ and other popular message brokers:
Messaging Protocol: RabbitMQ implements the Advanced Message Queuing Protocol (AMQP), a standardized messaging protocol that promotes interoperability between different messaging systems.
Persistence: RabbitMQ provides options for message persistence, allowing messages to be stored on disk for durability. This makes RabbitMQ suitable for scenarios where message durability is critical.
Scalability: RabbitMQ supports horizontal scaling through the use of clusters. Clustering allows for the distribution of queues across multiple nodes, providing both high availability and increased throughput.
Delivery Guarantees: RabbitMQ provides different levels of message delivery guarantees, including at most once, at least once, and exactly once delivery semantics, depending on the configuration and acknowledgement settings.
Message Retention: RabbitMQ retains messages in queues for as long as they are needed by consumers. It allows setting expiration policies on messages to control their lifespan.
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Industry-leading security measures: Kamatera prioritizes security by implementing data encryption, access control mechanisms, vulnerability scanning, and compliance with industry standards like PCI DSS and SOC 2.
24/7 Support: Kamatera’s dedicated support team is available 24/7 to assist you with any questions or issues you may encounter with your RabbitMQ hosting.
