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What is the differnce between 2-tier architecture and 3-
tier architecture in java?
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Answer Posted / sunil kumar- vizag
2-tier applications access database services or transaction
services directly from the client. here the application
logic resides on the client, making clients large and complex.
3-tier client-server applications employs an intermediary or
middle tier, application server which operates between
client applications and the back end databases.
There are two fundamental motivations for using a three-tier
architecture over a two-tier
model:
* Improved scalability, availability, and performance
* Improved flexibility and extensibility of business systems
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