what is 2 tier and 3 tier application.
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Answer / k. pratap
In 2 tier architecture we have only two tiers: client and
server. Depends on the application consistency we called
this 2 tier architecture as thin client-fat server
architecture or fat client-thin server architecture. In the
first one most of the business logic will be residing on
the server side, where as in the second one most of the
business logic will be residing on the client side.
In 3 tier or n tier architecture we will maintain one
seperate tier for this business logic. we will call that as
application server. This will act as the mediator for
converting the client requests into the database
understadable formats and it retrieves the data according
to the command given by the client and it will again
convert those results in the client understadable formats
and displayes in the internet explores pages.
| Is This Answer Correct ? | 63 Yes | 4 No |
Answer / ravi kiran
3 Tier:
We have 3 different layers
1. Presentation Layer
2. Application Layer
3. Database Layer
Example: SAP
2 Tier:
We have only 2 layers i.e
1. Presentation Layer (Client System)
2. Application Layer + Database Layer (Server System))
Also called as Client Server Application
| Is This Answer Correct ? | 51 Yes | 8 No |
Answer / prabhat
Including both above answers, there is few difference..
2 tier:(e.g:VB based application)
1.Need to be installed on the Users PC.(Intranet)
2.Performace issue when No. Of Users are high.
3.Processing slow.
3 Tier:(Web based appplication)
1.Works on Internet.
2.Never performance issue irrespective of users login
3.Processing faster.
| Is This Answer Correct ? | 10 Yes | 3 No |
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