Multi-tier enterprise software

what is:
- Multi-tier enterprise software
- how is it tested?

Thanks

Questions by mtamorph

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Multi-tier enterprise software is a software ofter referred that has n-tier architecture client server architecture in which an application is executed by more than one distrinct software agent

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"Multi-tier enterprise software" is nothing but the "3-Tier architecture" and it has the following three tiers:

Presentation Tier: This is the topmost level of the application. The presentation tier displays information abt the application and it communicates with other tiers by outputting results to the browser/client tier and all other tiers in the network.

Application Tier :It contains the logic of the application, it'a separate layer, it controls an application’s functionality 

Data Tier: This tier contains of Database Servers, here all the date provided into the application is stored and retrived if needed.  It's also a indepent layer.

How to test: 

-> Testing of the functionality is as usual

-> Apart from that we need to test the security testing, load testing, performance testing

-> Need to check the connections between all the layers

-> Need to test the network connections before doing the testing

 

Pls let me know if i'm wrong

Srinivas

 

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