The Qpid pure Java broker currently supports the following features:

• All features required by the Sun JMS 1.1 specification, fully tested
• Transaction support
• Persistence using a pluggable layer
• Pluggable security using SASL
• Management using JMX and an Eclipse Management Console application
• High performance header-based routing for messages
• Message Priorities
• Configurable logging and log archiving
• Threshold alerting
• ACLs
• Extensively tested on each release, including performance & reliability testing
• Automatic client failover using configurable connection properties
• Durable Queues/Subscriptions

Upcoming features:

• Flow To Disk
• IP Whitelist
• AMQP 0-10 Support (for interoperability)