DDS Tutorial -- Part II Hands On - OMG

Persistent Data Service• Modes:– High-performance “direct” model. Data flows in directly to subscribers and to thepersistent service– Transactional “relay” mode persists first, then sends to subscribers• Fault-tolerant: Redundant services are supportedDirectModeDataWriterRelayModeDataWriterRedundantServiceDataWriterPersistenceServicePersistenceServicePersistenceServicePersistenceServiceDataReaderDataReaderDataReaderDataReaderDataReaderDataReader© 2009 Real-Time Innovations, Inc.