NET - What is an XML Web service?

What is an XML Web service?

- XML Web Service is a unit of code that can be accessed independent of platforms and systems.

- These services are the web application components.

- They are used to interchange data between different systems in different machines for interoperability using HTTP protocols.

- Requests are made and responses are returned in the form of XML as XML is a language and platform independent.

- It exposes useful functionality to web users through a standard web protocol.

- It provides a way to describe their interfaces in enough detail to allow a user to build a client application to talk to them.

- These services are registered so that potential users can find them easily.

Web service components are as follows:


1. SOAP:

- SOAP stands for Simple Object Access Protocol.
- It is a communication protocol that communicates between applications.
- It can run on any operating system.
- It describes how to encode an HTTP header and an XML file for making communication between two computers.
- It is a platform and language independent.
- It has a benefit to allow server firewalls.

2. WSDL:

- WSDL stands for Web Services Description Language.
- It is an XML based language written in XML.
- It is used for describing the web services and the process of accessing it.
- It is an integral part of UDDI that facilitates businesses to be listed themselves and their services on the Internet.
- It navigates for individuals and other business to access the service.

3. UDDI:

- It stands for Universal Description, Discovery and Integration.
- It is an open framework and platform independent.
- It is seen with SOAP and WSDL as one of the three foundation standards of web services.
- It uses WSDL to describe interfaces to web services.
- It is a specification for a distributed registry of web services.
NET - Describe the steps to deploy a web service.
Describe the steps to deploy a web service - Using xcopy or Publish wizard copy the file to the destination server........
NET - Describe the components that are published when a web service is deployed
Describe the components that are published when a web service is deployed - Asmx file: This is the main service file.......
NET - Describe what the .disco file contains
Describe what does the .disco file contain - It defines a document format that enables discovery of the web services.....
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