The following key interfaces and Rhapsody services are available in the RDK:
- Auxiliary Files Service
- IdGenerator
- Message Package
- Message Parsing Definition
- Message Parsing Service
- Persistent Map Service
- Security Objects Service
- Variables Service
- LoadedDefinition
- ComponentInfo, CommunicationPointInfo and FilterInfo
- PersistentMap
- CommunicationPointConnection
- CommunicationPoint