The DataDirect Connect for ADO.NET data providers support Internet Protocol (IP) addresses in IPv4 and IPv6 format. IPv6 addresses are only supported when connecting to certain database versions, as shown in Table 2-1.
In addition to the normal IPv6 format, DataDirect Connect for ADO.NET data providers support IPv6 alternative formats for compressed addresses and addresses for environments containing a mixture of IPv4 and IPv6 nodes.