SOA& Web Service 教育部-BM专业综合改革项目 Traditional Message and Direct connectivity Message queuing message brokering service brokering Connectivity logic Connectivity and Connectivity, Connectivity, mediation logic mediation and mediation and additional logic additional logic Mediation and additional logic Additional logic Application Application Application Services Connectivity. Abstracts Abstracts Reduces mediation, and connectivity connectivity application to core additional logic logic from mediation logic business functions buried in applicationapplication from application (that is, a service Degree of fle xibility and reuse Lan Zhou UniversitySOA & Web Service Lan Zhou University 教育部-IBM专业综合改革项目 Channel