The UPDATE directive has one argument: SUPPLIER.  The SUPPLIER
 argument specifies either the AE title or the presentation address
 of the DSA which will supply copies of naming contexts.

 If you use the AE title argument, the directive only succeeds if
 a directory entry of the same name is accessible to this DSA and
 contains a valid presentation address for the supplier DSA.

 Specify the argument as follows:

 	UPDATE DSA SUPPLIER '<ae title>'
         UPDATE DSA SUPPLIER '<presentation address>'

 Refer to DSA Common_Datatypes for information on how
 to specify an AE title or a presentation address.