DEADLINE. Guarantee periodic updates to all topic instances.
publisher can guarantee maximum update period
subscriber can require maximum update period
LATENCY_BUDGET. Hint on available latency reserve.
TRANSPORT_PRIORITY. Hint on requested transport priority.
LIVELINESS. Configure how entity liveliness is determined.
service tracks Entity object liveliness
publisher must periodically assert liveliness per Topic object
publisher must periodically assert liveliness per Participant object
LIFESPAN. Message expiration time. Relies on having synchronized clock.
TIME_BASED_FILTER. Minimum separation time for incoming messages.