| Name | Description | Type | Package | Framework | 
| DiscoveryAgent | An agent used to discover other instances of a service. | Interface | org.apache.activemq.transport.discovery | Apache ActiveMQ | 
| DiscoveryAgentFactory | Class | org.apache.activemq.transport.discovery | Apache ActiveMQ | |
| DiscoveryListener | Interface | org.apache.activemq.transport.discovery | Apache ActiveMQ | |
| DiscoveryRegistryServlet | Class | org.apache.activemq.transport.discovery.http | Apache ActiveMQ | |
| DiscoveryTransport | A TransportFilter which uses a DiscoveryAgent to discover remote broker instances and dynamically connect to them. | Class | org.apache.activemq.transport.discovery | Apache ActiveMQ | 
| DiscoveryTransportFactory | Class | org.apache.activemq.transport.discovery | Apache ActiveMQ | |
| EmbeddedJettyServer | Class | org.apache.activemq.transport.discovery.http | Apache ActiveMQ | |
| HTTPDiscoveryAgent | Class | org.apache.activemq.transport.discovery.http | Apache ActiveMQ | |
| HTTPDiscoveryAgentFactory | Class | org.apache.activemq.transport.discovery.http | Apache ActiveMQ | |
| MasterSlaveDiscoveryAgent | Class | org.apache.activemq.transport.discovery.masterslave | Apache ActiveMQ | |
| MasterSlaveDiscoveryAgentFactory | Class | org.apache.activemq.transport.discovery.masterslave | Apache ActiveMQ | |
| MulticastDiscoveryAgent | A DiscoveryAgent using a multicast address and heartbeat packets encoded using any wireformat, but openwire by default. | Class | org.apache.activemq.transport.discovery.multicast | Apache ActiveMQ | 
| MulticastDiscoveryAgentFactory | Class | org.apache.activemq.transport.discovery.multicast | Apache ActiveMQ | |
| SimpleDiscoveryAgent | Class | org.apache.activemq.transport.discovery.simple | Apache ActiveMQ | |
| SimpleDiscoveryAgentFactory | Class | org.apache.activemq.transport.discovery.simple | Apache ActiveMQ | |
| ZeroconfDiscoveryAgent | Class | org.apache.activemq.transport.discovery.zeroconf | Apache ActiveMQ | |
| ZeroconfDiscoveryAgentFactory | Class | org.apache.activemq.transport.discovery.zeroconf | Apache ActiveMQ | |