... them and record them in the WSDL document.Introducing the WS- SpecificationsWe introduce you to the WS- specifications again in Chapter 5, and then cover them in detailin the remaining chapters ... to interact with. In addi-tion, the business facade may provide additional security, authentication, or screening onincoming service requests.CHAPTER 1 ■INTRODUCING SERVICE-ORIENTED ARCHITECTURE ... with excellent preparation for working with WCF in the future. This chaptercontains the following:• Overview of WCF architecture, including the Indigo service layer, the WCFconnector, hosting environments,...