See: Description
| Interface | Description | 
|---|---|
| ClusterCommunicationService | 
 Service for assisting communications between controller cluster nodes. 
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| ClusterMessageHandler | Deprecated
 since 1.11 ("Loon") 
 | 
| MessagingService | 
 Interface for low level messaging primitives. 
 | 
| Class | Description | 
|---|---|
| ClusterMessage | 
 Base message for cluster-wide communications. 
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| Endpoint | 
 Representation of a TCP/UDP communication end point. 
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| MessageSubject | 
 Representation of a message subject. 
 | 
| Exception | Description | 
|---|---|
| MessagingException | 
 Top level exception for MessagingService failures. 
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| MessagingException.NoRemoteHandler | 
 Exception indicating no remote registered remote handler. 
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| MessagingException.ProtocolException | 
 Exception indicating failure due to invalid message structure such as an incorrect preamble. 
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| MessagingException.RemoteHandlerFailure | 
 Exception indicating handler failure. 
 |