(For the choice of the underlying platform supported by the architecture, the .Net platform and the Java platform (J2EE) are currently popular and common in the industry; then, the technology-related architecture design is made on the platform support (mainly object-oriented OO, aspect-oriented programming AOP and oriented Service architecture design SOA and other ideas), IBM and SUN are especially prominent in the promotion of SOA; in the continuous change of business and the update of the architecture, find tools that remain unchanged in the changes, and formulate a series of specifications for services and architectures Effectively manage the architecture and become the principle of architecture design; of course, the top layer is the fickle business architecture layer.)