web application - created from Mind Map

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client/ server

WEB application

web services

provide / store information

Request information

Client-Server Model

respond to request for data or files such a s web pages

also called as web browser

Database ——》Server side——》Web Server——》Web Client——》HTTP PROTOCOL

message board , guest sign in book on a website, spreadsheetRuns WEB Browser

relieve developer responsibilities from running the Web browser

GMAIL (login, create and organize filters, read messages, reply, forward, send, and delete, and logout）

TO CLIENT / SERVER

The client side of a web application=front end. The server side=back end.

Mac, PC, Windows or Linux, Firefox or Google Chrome

*NO NEED package up software *Updating the software is easier. For mobile web application, developers easier to go through the approval

Establishing a communication between two software / calling function inside a software

*Internet *Format of input and output messages (SOAP and REST)

SOAP – Simple Object Access Protocol

REST – REpresentational State Transfer protocol

ACCESS the functions in the server 1) Location of the web service’s server (address) - what kind of functions are they offering - signature of each function - standard & protocols used by the web service ///ALL CAPTURE IN WSDL FILE

WSDL (Web Services Description Language) -web services. Is written in XML (eXtensible Markup Language) The client need the WSDL file so that they can use the web services.

How to retrieve the WSDL file?

Seeks to fix the problems with SOAP

Sends a request to access the resource residing in server using its URI

Response HTML, XML, plain text, PDF, JPEG, etc