What is relation or difference between MVC and N-Tier Architecture

Posted Date: 12 Apr 2010 Posted By:: SSharma

Member Level: Gold Member Rank: 321 Points: 1 Responses: 3

Hi,

Can anyone provide a difference / relationship between N-Tier and MVC framework in context of an Asp.net web application.

I found following information about MVC and N-tier on some forums:

1. <B>MVC does not contradict n-tier at all. MVC is a pattern to decouple your UI (presentation layer) from your model (domain layer) </B>. Layering is an approach to decouple subsystems in general (and much more). MVC is basically a recipe to enable proper layering.
This post is taken from : http://bytes.com/topic/asp-net/answers/325679-mvc-v-n-tier

2. <B>Using a MVC pattern does not rule out an n-tier architecture. If your
architecture will benefit the MVC pattern you should use it, but you should
still use business objects, a proper data access layer, service facades and
similar</B>. Microsoft has a powerful MVC implantation in the User Interface
Process (UIP) application block.
This post is taken from : http://bytes.com/topic/asp-net/answers/325679-mvc-v-n-tier

3. At first glance, the three tiers may seem similar to the MVC (Model View Controller) concept; however, topologically they are different. A fundamental rule in a three-tier architecture is the client tier never communicates directly with the data tier; in a three-tier model all communication must pass through the middleware tier. Conceptually the three-tier architecture is linear. However, the MVC architecture is triangular: the View sends updates to the Controller, the Controller updates the Model, and the View gets updated directly from the Model.
This post is taken from : <a>http://stackoverflow.com/questions/698220/mvc-vs-n-tier-architecture</a>

According to first 2 posts, MVC works above Business layer (i.e. its a replacement for presentation layer). Whereas according to 3rd post, MVC itself is a separate architecture that works in triangular way.

Can anyone elaborate whether MVC works in conjunction with 3-Tier architecture to built a web application or can we create a web application using MVC individually.

Thanks!

Responses

#492751 Author: Asheej T K Member Level: Diamond Member Rank: 2 Date: 12/Apr/2010 Rating: Points: 2
You missed below link, Check it out, all your doubts will be cleared... http://forums.asp.net/p/1020216/1379168.aspx Regards, Asheej T K Microsoft MVP[ASP.NET/IIS] DotNetSpider MVM Dotnet Galaxy

#492752 Author: SSharma Member Level: Gold Member Rank: 321 Date: 12/Apr/2010 Rating: Points: 2
Thanks Asheej I will visit to this link shortly. Regards!

#515891 Author: Ashutosh Kuanar Member Level: Silver Member Rank: 1307 Date: 12/Jun/2010 Rating: Points: 2
http://stackoverflow.com/questions/698220/mvc-vs-n-tier-architecture Thanks and Regards, Ashutosh Kuanar.

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