tiers

Difference between three tier vs. n-tier

I just came across the following sentence: As the industry has moved from a three tier model to n-tier models, the object relational impedance mismatch has become more prevalent. But I can't find a concise explanation of the difference between three tier and n-tier. I know what three tier is, and I assume n-tier just adds one or ...

Flex application layers

Hello! I'm new to Flex and I want to separate app tiers/components as much as possible. So I have three mxmls: X.mxml which has a datagrid with students Y.mxml which must be able to tell which student is selected in the X.mxml's datagrid (row id ?) XY.mxml which uses the previous 2 Which is the best practice here ? Thanks. ...

UI and Application relationship

Hi All, I've read a lot of articles about the UI ,buisness logic ,WCF ,IoC, but still, one thing is missing from my mind. I build a winforms application and a console app. the Console App is the brain. Now, in all the client-server architecture the client "know" the server , send him request and get the answer. My qestion is as follow: ...

Verbose Listing of All Application Layers/Tiers?

I've looked at a few sites now, and I'm still struggling to find a complete listing of all the possible layers/tiers you can have in an application. From back in college (1999) I remember the following: Presentation Layer (Views) Application Layer (Controllers) Business Logic Layer (API/Rules) Persistence Layer (Database/Object Pers...

Software to make a tiers diagram?

Hi, i will make a tiers diagram and need a software to creategraphic, need some like this: http://i.technet.microsoft.com/Bb735136.msdfsvc01(pt-br,TechNet.10).gif anybody know software, makes this diagram? I see many diagram with this style, how i can do that? ...