Web Services (Web service) Related concepts

1. Overview

Web Services Technology (Web Service) is a service-oriented architecture technology that provides services through standard WEB protocols to ensure that application services from different platforms can interoperate with each other.

Because the Web service publishes data based on XML format and

The SOAP protocol. This ensures that platforms developed in different languages can invoke communication with each other.

2.Web Service Protocol Family

The 3 most important task of Web service is that the communication protocol is based on the description of soap, service and the metadata of discovering and obtaining service through the WSDL, through UDDI.

SOAP: Simple Object Transport protocol. An XML-based extensible envelope format that requires binding a transport protocol at the same time. This protocol is either HTTP or HTTPS, but it may also be SMTP or XMPP.

WSDL: An XML-formatted document that describes the details of a service's port access and useful protocols. Frequently used to assist in generating service server and client code and configuration information.

UDDI: A protocol used to advertise and search for Web services. The application can find the target Web service at design or execution time through this protocol.

JAX-WS and Axis are two types of Web Service open source frameworks. JAX-WS is provided by Oracle and axis is provided by the Apache Open Source Foundation. In the actual development of the more popular is the Apache Axis2. The China Mobile Group system is to use AXIS2 to do SOA service.

In the following article, the blogger brings you a simple example of Jax-WS and AXIS2.

You are welcome to discuss the study together.

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Web Services (Web service) Related concepts