Diference between Service Layer And Bussines Layer

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Hi all people,

What is the Difference between Service Layer and Bussines Layer,

1 DAO Layer is for DataAccess, -> Socket, Database, Textfile, ¿¿¿ WebService ??? or not?

2 Bussines - Is a bussines logic layer, this layer use DAO layer.

3 Service - layer here <--- ???¿¿¿ What is here?

4 Presentation: Ex: MVC, Winform, Webforms

Thansk!

Posted 11-Oct-13 4:09am

Juan Duran

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Pratik Bhuva · Answer 1 · 2013-10-31T22:53:00

Solution 3

Here i found Short and Sweet explanation...

What is the Difference between Service Layer and Business Layer[^]

Posted 31-Oct-13 22:53pm

Pratik Bhuva

thatraja · Answer 2 · 2013-10-11T05:23:00

Solution 1

I never implemented Service Layer.

Here this MSDN page will give you clear details about that.
Service Layer Guidelines[^]

It looks interesting, will try later.

Posted 11-Oct-13 5:23am

thatraja

*Suvabrata Roy* · Answer 3 · 2013-10-31T22:49:00

Hi,

The basic difference is:

1. Business Layer is to define business logic ( data transformation ) and Service Layer is to access data from different client's.

2. Service Layer is to unplug BL (Business Layer) from UI or other layer
3. Service layer also help us to implement scalable Application

Create Business Layer : http://msdn.microsoft.com/en-us/library/aa581779.aspx[^]
Create Service Layer : http://msdn.microsoft.com/en-us/library/ee658090.aspx[^]

Thanks
Suvabrata