Here are the data structures with brief descriptions:

CNDDS_Transport_TCPv4_ConnectionLivelinessSettings_t	Connection liveliness settings
CNDDS_Transport_TCPv4_EventThreadSettings_t	Event thread settings
CNDDS_Transport_TCPv4_Property_t	Configurable TCP Transport-Plugin properties
CNDDS_Transport_TCPv4_WindowsIOCPSettings_t	Windows I/O completion ports settings
CRTITLS_Ciphers	Set of TLS properties for cipher configuration
CRTITLS_DHParamFile	Name of a Diffie-Helman (DH) key file and the length of the contained key in bits
CRTITLS_Identity	Set of TLS properties for identity
CRTITLS_OpenSSL_Configuration	Full set of TLS properties
CRTITLS_Verification	Set of TLS properties for certificate authorities (CAs) and verification