What is the purpose of the SQL packages named QSQCLIPKGx?

The SQL packages named QSQCLIPKGx (where x = alphabetic value) are created dynamically as needed when remote database access (DB2/400) is initiated between to iSeries servers.

It is used by Java and CLI-based connections to a remote iSeries over DB2/400 Distributed Relational Database Architecture (DRDA).