| Pub/Sub Techn. | Type | Service Model | ||
| Communication Model | Architecture Model | Object Model | ||
| DDS | Data Centric | Data-Distribution | Decentralized/Unbrokered | Publisher, Subscriber, Domain, Topic, etc. |
| HLA | Data Centric | Data-Distribution | Decentralized/Unbrokered or Brokered | Federation, Federate, Object Class, etc. |
| DIS | Data Centric | Data-Distribution | Decentralized/Unbrokered | Protocol Data Unit (PDU), etc |
| TENA | Data Centric | Data-Distribution | Decentralized/Unbrokered | Logical Range, Logical Range Object Model(LROM), etc. |
| JMS | Message Centric | Queue Based | Centralized/Brokered or Centralized/Multi-Brokered | Queues, Messages, Topics |
| CORBA Event Services | Object Cen-tric | Remote Procedure Call | Centralized/Multi-Brokered | IDL Objects, Event Channels, etc. |