Once the ISPN-3169 is in place, on the server, a JPAQL string that will be send on the server.
For simplicity the string will have the query params encoded in the query string itself .Compared with passing query params separately (a-la JDBC's prepared statements), this approach has reduced query caching on the server side but potentially better query planning.

For a complete remote query overview see: https://community.jboss.org/wiki/QueryingDesignInInfinispan