3. Disclaimer: This presentation is prepared by trainees of
baabtra as a part of mentoring program. This is not official
document of baabtra –Mentoring Partner
Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd
5. 1 tier architecture
• Keeps all of the elements of an application
Including the interface ,middleware and back
end data, in one place
6. 1 tier architecture
Advantages
Simplest, easiest
Most direct
equivalent of running an application on a
personal computer
Disadvantages
Least scalable
9. 3 tier architecture
• Client –server architecture in which the user
interface (presentation), functional process
logic (business rules), computer data
storage and data access are developed and
maintained as independent modules
11. 3 tier architecture
Advantages
the three tiers to be upgraded or replaced independently
Since the client doesn’t have direct access to the database
business logic is more secure
Disadvantages
It is more complex structure
More difficult to set up and maintain it as well
The physical separation of the tiers may affect the
performance between the three
It is more difficult to built a 3-tier application
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