Universal Application Network, 186–187
universal description, discovery, integration (UDDI), 7, 40–42, 45–48, 50, 54, 69, 73, 75, 103–104, 144, 170, 177, 185, 205
directory services, 196–198
UNIX, 5, 34
upgrading infrastructure, 100
UserLand Software, 42