What is the difference between Two Tier and Three Tier
Architecture?
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Answer Posted / parul bhadeshiya j.
In a modern two-tier architecture, the server holds both
the application and the data. The application resides on
the server rather than the client, probably because the
server will have more processing power and disk space than
the PC.
In a three-tier architecture, the data and applications are
split onto seperate servers, with the server-side
distributed between a database server and an application
server. The client is a front end, simply requesting and
displaying data. Reason being that each server will be
dedicated to processing either data or application
requests, hence a more manageable system and less
contention for resources will occur.
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