Chapter 1. Features


This section outlines the major features added in AMQ 7.1 and later.

Persistence

Failover
Brokers can be fully redundant, allowing a backup broker to take over connections from a primary broker in the event of a failure. Optionally, a shared volume can be configured between the primary and backup broker.
Multi-site fault tolerance
You can use specific broker topologies and the Red Hat Ceph Storage software-defined storage platform to ensure continuity of your messaging system during a data center outage. This type of solution is called a multi-site, fault-tolerant architecture. For more information, see Configuring a multi-site, fault-tolerant messaging system.
Delivery guarantee
Some messages that a developer sends from his application require a guarantee of delivery guaranteeing that messages get from the application sending them to the application consuming and processing them. If a network link goes down or the broker experiences a power outage while the message is in transit the message broker must resend undelivered messages once it returns online or the network connection is restored.
Zero persistence
Brokers can be configured to not persist any messages for scenarios in which no guarantee is required, but high performance is.

Security

Basic authentication
Brokers can authenticate clients using basic username and password credentials.
Role-based authentication
Brokers can authenticate and authorize clients to specific queues or message addresses based on roles assigned to the client.
SSL-encrypted connections
Connections between clients and broker or a broker and another broker are secure and utilize SSL to encrypt the connections.
Certificate-based authentication
Brokers can authenticate a client connection or a connection from another broker using certificates.

Performance

Dead connection detection
Brokers can detect dead connections when a client has exceeded specific lifespan that can be set either on the client’s connection factory or globally on the server.
Slow consumer detection
Brokers can detect slow consumers and disconnect them from the server when this feature is enabled.

Refer to the ActiveMQ Artemis project for additional information: http://activemq.apache.org/artemis/index.html

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