...diff between client-server and web application

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Answer by shashidhar mahavadi
Submitted on 6/15/2005
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In the client server architecture, the application software resides on the client machine, the back end system ( a main frame or super computer)performs the operations as a batch at one time on a regular basis.. here we need to test for 1.Application Function test 2.Server Test 3.Database Test 4.Transaction Test 5.Network test..(complexity of network) 6.Different hardware platforms IN WEB TESTING: The browsers reside on the client and the client work stations are networked to a webserver either through LAN or some other network(WAN..etc). The webserver receives & processes the requests from clients may be sent to the application server to perform actions such as data queries..... The backend processing works in the back ground to perform batch processing and high volume transations... Areas to be concentrated: 1.Browser compatability 2.Functional Correctness 3.Integration 4.Usability 5.Security 6.Performance ( here load and stress) 7.Verification of code (Code review) "I suppose the answer is fair enough, if some one can explain me in other way i appreciate their help"

Answer by shashidhar mahavadi
Submitted on 6/15/2005
Rating: Not yet rated	Rate this answer:
In the client server architecture, the application software resides on the client machine, the back end system ( a main frame or super computer)performs the operations as a batch at one time on a regular basis.. here we need to test for 1.Application Function test 2.Server Test 3.Database Test 4.Transaction Test 5.Network test..(complexity of network) 6.Different hardware platforms IN WEB TESTING: The browsers reside on the client and the client work stations are networked to a webserver either through LAN or some other network(WAN..etc). The webserver receives & processes the requests from clients may be sent to the application server to perform actions such as data queries..... The backend processing works in the back ground to perform batch processing and high volume transations... Areas to be concentrated: 1.Browser compatability 2.Functional Correctness 3.Integration 4.Usability 5.Security 6.Performance ( here load and stress) 7.Verification of code (Code review) "I suppose the answer is fair enough, if some one can explain me in other way i appreciate their help"

Answer by aaa
Submitted on 7/4/2006
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Webserver:this can receive only html requests and as well this can only give out html responses.Nothing more than that. Application server:businees logic resides on the application server. Application Server is responsible for handling the Business logic of the system while Web server is responsible to cater to the HTTP requests. In three tier Architecture the flow is as follows [Browser(Client)]---> [Web server(http requests)+ application server(Business logic)]--->database server Now if there are heavy transactions on the system then the second Tier is bifurcated which results in the 4 Tier Architecture. The flow is as follows [Browser(Client)]---> [Web server]--->[application server(Business logic)]--->database server an application server provides for the following things 1.session management 2.load balancing 3.thread management 4.security 5.messaging depending on the configuration of the application server it can provide one or all of the above features. in case of a web server,it just serves the requests that it receives with the appropriate response,with the help of servlets or other such programs. Can't we process requets of HTTP protocols in application server An application server is a generalized server for running more than one applications like EJB, RMI, IIOP, JSP, Servlets, etc. An web server is for the purpose of processing the requests over the Http proptocols. Can i run an application server without a webserver ... for example does WebLogic run with out a webserver ? The webserver is mainly for catering to the http requests and the application server caters to the need of load balancing in case of heavily loaded web applications or where lots of transactions are involved. so the flow will be like the application server is used for load balancing which it does with the support of any webserver.some application servers are having their default webservers for eg. Bluestone has got IIS as its inbuilt webserver. An Application server is like a superset of Webserver. However, unlike a Webserver, this is a "generalized one" Webservers are servers which only accept your requests related to Web over HTTP. Whereas Application Servers are bundle of servers which not only transmit your request but also provide other services like messaging, transaction management, mail service etc., Example of Webserver - JavaWebServer, jakarta-tomcat Example of Application Server - IBM Websphere, BEA WebLogic

Answer by ajjax
Submitted on 9/8/2006
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Your question could be answered from a design point of view. The Web Server is the software where you can handle a Web Logic of your running system, from a Java perspective, the web logic could be presented using Servlet API and JSP API and beyond. The Application Server differs, when your system has a Business Logic, which means, the need to use a business implementations, e.g. High level network communications, high level security and high level data control, all these topics needs a minimum set of collections and APIs like EJBs, JMS technology and JNDI technology. In this case, and because of using those technologies you need an engine to take care about firing up and running those APIs, in other words, you need an Application Server. e.g. JBoss. The Web tier is where the Web Server running, the Business tier is where the Application Server running. But, peer in mind, nowadays a new topics came out! The vendors, designers and decesion makers in the system architecture are increasing the gap between both servers, as you can check by your self, you can download both Application and Web servers in one engine, for example, the Sun Application server which comes with J2EE 1.4 acts like that, the JBoss Application server now could be downloaded with a Tomcat engine within it, this is because most of systems needs both parts to get the goal. And who knows what is next! Good luck

Answer by Senz
Submitted on 12/13/2006
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Web server: this can receive only html requests and as well this can only give out html responses. Nothing more than that. Application server: business logic resides on the application server. Application Server is responsible for handling the Business logic of the system Web server is responsible to cater to the HTTP requests. An application server provides for the following things 1.session management 2.load balancing 3.thread management 4.security 5.messaging depending on the configuration of the application server it can provide one or all of the above features. in case of a web server, it just serves the requests that it receives with the appropriate response, with the help of Servlets or other such programs. Can'twe process requests of HTTP protocols in application server An application server is a generalized server for running more than one applications like EJB, RMI, IIOP, JSP, Servlets, etc. An web server is for the purpose of processing the requests over the Http protocols. Can i run an application server without a webserver ... for example does Web Logic run with out a webserver ? The webserver is mainly for catering to the http requests and the application server caters to the need of load balancing in case of heavily loaded web applications or where lots of transactions are involved. so the flow will be like the application server is used for load balancing which it does with the support of any webserver.some application servers are having their default webservers for eg. Bluestone has got IIS as its inbuilt webserver. An Application server is like a superset of Webserver. However, unlike a Webserver, this is a "generalized one" Webservers are servers which only accept your requests related to Web over HTTP. Whereas Application Servers are bundle of servers which not only transmit your request but also provide other services like messaging, transaction management, mail service etc., Example of Webserver - JavaWebServer, jakarta-tomcat Example of Application Server - IBM Websphere, BEA WebLogic Hope this will help you.

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Question by Ranganath
Submitted on 4/27/2004
Related FAQ: comp.software.testing Frequently Asked Questions (FAQ)
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What is the diff between client-server and web application

Answer by R Purushotham Reddy
Submitted on 10/5/2004
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Client Server application:Two tier architecture applications comes under Client server application,In This No Of users are Limited,In this u have two layers 1:Presentation Layer(Interface) 2:Business alyes(Logic/Coding) Webapplication:Three tier architecture applications comes under Webserver application,In This No Of users are Large,In this u have three layers 1:Presentation Layer(Interface) 2:Business alyes(Logic/Coding 3:Database Layer

Answer by nammu
Submitted on 10/26/2004
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client-server is just a 2 tier architecture testing is confined only to functionality aspect mainly but a web-based application has to be tested for functionality security usability compatibility database performance

Answer by Bibhu
Submitted on 2/11/2005
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In testing point of view. Client Server Application. .Data transfer by TCPIP Web Application. Performance testing. Cookes,Time Out,html link testing will come Data transfer through through HTTP,HTTPS protocol

Answer by Ranjith CV
Submitted on 7/22/2005
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Client -server is window based application.Now a days the concept has changed.Web applications are called c-s applications.BCOZ in web there is client rerquest and server responses.

Answer by RajaVenkateshwara
Submitted on 12/18/2005
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From Testing point of view,Web application needs "Compatability Testing" to be conducted(with different browsers) where as Client server application doesn't require this.

Answer by ivan
Submitted on 12/21/2005
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Client-Server:- You have to install Java (J2ee 1.x) for an application to run and in case specified by developers you have to install certain other components on a client Server on which you can later install a build and check it for testing. Web Application :- Here all you have to do is enter a url in the browser and you can hit and observer the Application.

Answer by ffgfd
Submitted on 4/14/2006
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xcxzczx

Answer by sdfs
Submitted on 9/25/2006
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sdfsdfsdfsdf

Answer by azeem
Submitted on 10/17/2006
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hello r u there

Answer by amit
Submitted on 5/16/2007
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A Web Server understands and supports only HTTP protocol whereas an Application Server supports HTTP,TCP/IP and many more protocols. Also many more features such as Caches,Clusters,Load Balancing are there in Application Servers which are not available in Web Servers. We can also Configure Application Servers to work as Web Server. In short, Applicaion Server is a super set of which Web Server is a sub set.

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