TNS
Transparent Network Service (TNS) is the Oracle (version 8 or higher) networking technology that provides a single application interface to all industry-standard networking protocols. To connect to a database, users initiate a connect request by passing information (username and password) along with a short name for the database service they wish to connect to.
Available to all SRX running 12.3X48+
Available to all MX running 20.2R1+
Available to all vSRX running 20.3R1+