Definitions for "Service name"
Keywords:  descriptor, tns, menmonic, port, winnt
A name for a TNS service that is easy to use and remember. End users need only know the appropriate service name to make a TNS connection. Each connect descriptor is assigned a service name in the network definition. The service name for a database link must be the same as the global database name.
a menmonic that is used to refer to a TCP port number
an alias for a connection descriptor
For Kerberos-based authentication, the kservice portion of a service principal.