N

namespaces correspondence, 526 of included schema, 766 JAXB, including, 569-570 restricting, 768-769 service discovery based on, 527-529 XML qualifier, 749 XML Schema, 749 nested transaction model defined, 590 illustrated, 591 service building, 590 See also transaction models Netegrity Siteminder, 687 network-addressable interface, 50 nonblocking RPC invocation, 356 nonfunctional requirements, 68-69 definition, 68 QoS, 69 types of, 69 usability, 68 See also component-based service (CBS) development North American Industry Classification System (NAICS), 488, 489 notification operation, 152-153 defined, 152-153 illustrated, 153 See also operation element notifications SMTP mechanism, 428 support, 427 N-tier development, 7-8 defined, 7 illustrated, 7 World Wide Web and, 8