Asp.Net Web Service Architecture how its work web services?

Web Service Architectures

Web services: - It is a set of function that packaged as a component and can be invoked over heterogeneous network .An web service resides on web server.

Fig: - Web service Architectures

SOAP

·        Stands for “Simple Object Access protocol”.

·        Is an xml-based messaging technology standardizes by the w3c.

·        Specifies all the necessary rules for communicating with the web services.

HTTP

·       Stands for “Hypertext Transfer Protocol”.

·       Is used by web-services to transfer the SOAP formatted documents between computers.

WSDL

·       Stands for “Web Services Description Language”.

·       Is an XML file that encloses that interface schema for the XML web services.

·       Provides info about accessing published XML web services of client to computer.

UDDI

·        Stands for “Universal Description Discovery And Integration”.

·        Specifies the standard for publishing and discovering into about xml web services.

XML Serialization:-

Ø Is a process of converting data to XML is known as XML Serialization.

Ø Methods can use any class accepted by XML serialization.

Ø Methods of a web services use object of any class for parameter values and result provided that those classes.

Example:

Public class coordinate

{

Public double x;

Public double y;

}

[Web method] public coordinate scale (coordinate)

{……}

Ø Only public data members are serialized.

Ø Private & protected data member a class are never serialized.

Ø Pass by reference is simulated by copying.