DDS Foundation Wiki

Offers the following settings to detect failures on the publishing node

AUTOMATIC Infrastructure managed (default), leases are renewed automatically by the service. Only process failures can be detected this way
MANUAL_BY_PARTICIPANT Application managed, the entire Domain Participant renews its lease when one of its contained Entities asserts its liveliness, either explicitly or implicitly.
MANUAL_BY_TOPIC Application managed, each Data Writer is responsible for renewing its own lease, either implicitly or explicitly.