8.23.2012

Difference between Two Tier and Three tier Architecture

S.No Two-tier Architecture Three -tier Architecture
1
Client -Server Architecture
Web -based application
2
Client will hit request directly to server and client will get response directly from server
Here in between client and server middle ware will be there, if client hits a request it will go to the middle ware and middle ware will send to server and vice versa.
3
2-tier means 1) Design layer 2) Data layer
3-tier means 1) Design layer 2) Business layer or Logic layer 3) Data layer

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