This section describes the support provided by APPC/MVS for the option sets listed in the SNA LU 6.2 architecture. Option sets are LU 6.2 functions that are not required for the minimum implementation of a type 6.2 LU. The option set number is in parentheses following the option set name. For more information about the LU 6.2 option sets, see SNA Transaction Programmer's Reference Document for LU 6.2.