Shulou(Shulou.com)06/03 Report--

Several abbreviations commonly used in the MVC model of Domain Driven Design (DDD): VO (View Object); BO (Business Object); M for Model,V, View,C for Controller DTO (Data Transfer Object, data transfer object) OOA: object-oriented Analysis (OOA) OOD: object-oriented Design (OOD) OOP: object-oriented programming (OOP) SOA (Service Oriented Architecture, Service-oriented Architecture) SRP: single responsibility principle is Single Responsibility PrincipleOCP: the full name of the open-closed principle is Open Closed PrincipleLSP: the English translation of the Chinese substitution principle is: Liskov Substitution Principle, abbreviated as LSPISP: the English translation of the interface isolation principle is "Interface Segregation Principle". Abbreviated as ISPIOC: the English translation of inversion of control is Inversion Of Control, abbreviated to the IOCDRY principle. Its English description is: Don't Repeat Yourself. Don't repeat yourself JWT: English: JSON Web Token: the most popular cross-domain authentication solution. The full name of CDN is Content Delivery Network, that is, content delivery network XSS (Cross Site Scripting) * CSRF (Cross Site Request Forgery, cross-site domain request forgery) is a way of network * IaaS: Infrastructure-as-a-Service (Infrastructure as a Service) PaaS: Platform-as-a-Service (platform as a Service) the second layer is the so-called PaaS Sometimes it is also called middleware SaaS: the third layer of Software-as-a-Service (Software as a Service) is called SaaS. This layer is the one that comes into contact with your life every day, mostly through a web browser. Forward agent is commonly known as agent, which is used to send connection requests to the server on Internet (or external server, usually Web server) on behalf of internal network users, and receive the response result. The server that performs the proxy function is called proxy server. When using a proxy server to access an external network, the client must indicate in the local area network settings the address of the proxy server and the port number of the service to be proxied. The direction of the reverse proxy is opposite to the forward proxy, which means that the request is made to the internal server on behalf of the external network user, that is, the connection request from the user on the Internet is received and forwarded to the server on the internal network, and then the response obtained from the internal server is returned to the client requesting the connection on the Internet: the server that performs the reverse proxy service is called the reverse proxy server. The reverse proxy server behaves as a server to external users. SOA: service-oriented architecture (SOA) is a component model that splits different functional units (called services) of an application and connects them through well-defined interfaces and protocols between these services. Cloud Native is translated as cloud native; it includes both technology (micro services, agile infrastructure) and management (DevOps, continuous delivery, Conway's law, reorganization, etc.). Cloud Native can also be said to be a collection of a series of Cloud technologies and enterprise management methods. DevOps (a combination of Development and Operations) is a group of processes, methods, and systems that facilitate communication, collaboration and integration among development (application / software engineering), technology operations, and quality assurance (QA) departments; it is a culture, movement, or practice that values communication and cooperation between "software developers (Dev)" and "IT operation and maintenance technicians (Ops)". Build, test, and release software more quickly, frequently, and reliably by automating the process of "software delivery" and "architecture change". POC test, or Proof of Concept In the application system selection stage, the business processes of some large enterprises are more complex, and not a single functional demonstration can cover the real business requirements. At this time, it is necessary to define a small range of experimental objects in advance (but the complexity of business logic should be typical and representative), through the introduction and implementation of small-scale projects, from the practice of real business to the realization of strategic intention. To verify whether the system scheme can meet the needs of users, so as to make a more objective and accurate judgment. Event-driven architecture (EDA-Event Driven Architecture): the process of running a program in this model is determined by the user's actions (such as mouse buttons, keyboard keystrokes) or by messages from other programs.

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