《SOA与WEB服务》.pdf

4 Service Oriented Architecture 4 Service Oriented Architecture New technology and trends of Information technology. New technology and trends of Information technology. By ZHANG Gaoyu, Shanghai Finance University By ZHANG Gaoyu, Shanghai Finance University What is Service Oriented What is Service Oriented Architecture (SOA)? Architecture (SOA)? An SOA application is a composition An SOA application is a composition of services of services A “service” is the atomic unit of an A “service” is the atomic unit of an SOA SOA Services encapsulate a business Services encapsulate a business Service process process Registry Service Providers Register Service Providers Register themselves themselves Find Register Service use involves: Find, Bind, Service use involves: Find, Bind, Execute Execute Service Bind, Service Consumer Execute Provider Most well-known instance is Web Most well-known instance is Web Services Services New technology and trends of Information technology. New technology and trends of Information technology. By ZHANG Gaoyu, Shanghai Finance University By ZHANG Gaoyu, Shanghai Finance University Service SOA Actors Registry SOA Actors Find Register