电子州妓女学 Software Architecture Design Pattern University af Electronic Science and Technoloryf Chim 2.Distributed Architecture Definition A distributed architecture is an architecture supporting the development of applications and services that can exploit a physical architecture consisting of multiple,autonomous processing elements. Those elements do not share primary memory but cooperate by sending messages over the network. Example-Distributed System Key Characteristics: Home banking Credit Approval Application Application .Multiple autonomous components .Components are not shared by all users +Resources may not be accessible Bank branch .Software runs in concurrent processes server Credit Check Service on different processors .Multiple points of control .Multiple points of failure DBMS Solarison AlX on DBMS Server SPARC IBM RS/6000 Server Software Architecture and Design Pattern 5Software Architecture & Design Pattern Software Architecture and Design Pattern 5