service oriented architecture tutorial

'; } Public functionWork () {Echo' The desktop computer is running on the workstation! '; }}classPerson { Public functionRun$type) { $type-version (); $type-Work (); }}$person=NewPerson ();$desktopcomputer=NewDesktopcomputer ();$notebookcomputer=NewNotebookcomputer ();$person->run ($notebookcomputer); Note: The article is from Eon to PHP video tutorial, this article is limited to exchange use, not for commercial purposes, otherwise the con

Entity Framework tutorial -- EF architecture, entityef EF Architecture It is a panorama of the EF architecture, allowing us to understand the usefulness of each component separately. EDM (Entity Data Model ): EDM consists of three main parts: Conceptual Model, Mapping, and Storage Model ). Conceptual Model: Conceptual

installation is free of charge by the user or the system administrator, the license fee must be paid for third-party installation. MySQL is a network database management system based on the C/S architecture. Its design is mainly aimed at speed. it can quickly process query requests from multiple users and process client connections very quickly. Therefore, it is suitable for using the back-end database for Web sites. The execution speed of PostgreSQL

Service:The Object service accesses the primary portal of the database and returns the data that is accessed. It is primarily responsible for specific things, such as getting data from the entity client data provider (its next layer) and converting it to a solid object.Entity Client Data Provider:The primary responsibility of this layer is to translate queries provided by LINQ to Entities or entity SQL into specific databases to understand the querie

distributed RESTful Service video tutorial First set:billions of traffic e-Commerce Details page System combat-cache Architecture + high-Availability service architecture + MicroServices Architecture (first edition)Second set:bil

!Monitor-side Check recovery status[Email protected] ~]# Mmm_control ShowDB1 (192.168.0.60) master/online. Roles:reader (192.168.0.21)DB2 (192.168.0.61) master/online. Roles:reader (192.168.0.22), writer (192.168.0.20)DB3 (192.168.0.62) slave/online. Roles:reader (192.168.0.23)We can see the role of slave when DB1 is restored! The DB1 will assume the write function of the primary server only after the DB2 is hung up.8.12.3.7 Mmm_control Command IntroductionValid Commands is:Help-show this messag

that we just installed, and the service name is the content of the ServiceName property in step 2nd. This is WindowsService1. If the program you are running is a program with a form, right-click the service and select Properties--click on the "Login" tab (top)--Select the local System account--on the Allow service to interact with Desktop check box-click OK to

Resttemplate.getforobject ("Http://SERVICE-HI/hi?name=" +name,string.class) method, we have already done a load balancing service instance that accesses different ports.Iv. Architecture at this time One service registry, Eureka Server, Port 8761 Service-hi Proj

This article focuses on the service tracking component zipkin,spring Cloud Sleuth integrates Zipkin components.First, Introduction Add sleuth to the classpath of a Spring Boot application (see below for Maven and Gradle examples), and you'll see the C Orrelation data being collected in logs, as long as is logging requests. --Excerpt from official website The main function of Spring Cloud sleuth is to provide a tracking solution in a

First, Introduction Add sleuth to the classpath of a Spring Boot application (see below for Maven and Gradle examples), and you'll see the C Orrelation data being collected in logs, as long as is logging requests. --Excerpt from official website The main function of Spring Cloud sleuth is to provide a tracking solution in a distributed system, and compatible support for Zipkin, you only need to introduce the appropriate dependencies in the Pom file.Second,

. From official website Eureka.instance.preferipaddress=true is to let Eureka let other services register it by setting the IP. It may be possible to change the way it is by changing the host.The architecture diagram at this point:Eureka-eserver peer1 8761,eureka-eserver peer2 8769 Mutual Sensing, when there is a service registration, two Eureka-eserver is equivalent, they all have the same informa

In the previous article, I spoke about the registration and discovery of services. In a microservices architecture, the business is split into a separate service, and the service-to-service communication is based on HTTP restful. Spring Cloud has two modes of service invocat