U-V

UDDI (Universal Description, Discovery and Integration), 615

<bindingTemplate> element, service bindings description, 620

centralized & replicated business info repository, building, 615

green pages, business conducting info, 616

overview, registering individual businesses, 616

white pages, general business info, 616

yellow pages, business categories info, 616

overview, XML messaging, 615

query request/response example, 617

specifications, 616

tModel elements, 620

UMTS (Universal Mobile Telecommunications System), 521

deployment drawbacks, 521

URI (Uniform Resource Identifiers), 459

SOAPAction HTTP header field, 601

URL (Uniform Resource Locators), 459

use cases, 251

helpdesk ticket system example, 251

UserTransaction class, JTS, 139

overview, JMS/JTS transaction support, 139