Definition type Authentication alias Destination queue JMS queue JMS queue Connection factory JMS activation specification JMS queue Connection factory and queue for the sewsWsDemo application Described in section "Define authentication alias" on page 424 "Define queue" on page 424 "Define JMS queue" on page 425 "Define JMS queue connection factory" on page 426 "Define JMS activation specification" on page 428 "Definitions for the Web service driver application" on page 430 12.3.2 Defining a SIB in WebSphere A Service Integration Bus (SIB) is an administrative concept that represents all the messaging resources in a WebSphere Application Server for z/OS Version 6.01 environment. This is a new concept in WebSphere Application Server for z/OS Version 6.01; further information can be found in 4.2.1, "WebSphere Default messaging