I've seen quite a few developer job postings recently that include a sentence that reads more or less like this: "Must have experience with N-Tier architecture", or "Must be able to develop N-Tier ...

Is it not bad practice to pass DTO object to service layer? For now my service layer method look like this: public save(MyEntity entity); Mapping values from DTO to business entity (MyEntity)...

On a multi-tier application, I need to simulate various TCP/IP errors to test some reconnection code. Does anyone know of any tools (Windows based) I can use for this purpose? Thanks.

After reading some of the Q/As here on Stackoverflow, I am still confused about the correct implementation of DTOs in my web application. My current implementation is a (Java EE based) multi-...

What is the difference between the clean and the n-tier architectures?

I've been reading various other questions about using asp.net-identity but I don't see anything concrete with regards to using it with an existing database when the project is developed in tiers. F...

It's considered good practice to have an exception for each layer of application (i.e. PresentationException, ServiceException, PersistenceException etc). But what if my service-layer directly call...

We want to start a big multi-tier application. The server side application must respond to more than 1000 users at the same time. We want to create server application by 64 bit compiler and client ...

I have a multi-tiered app with a data layer containing repositories. On top of this, I have a service layer. My understanding is that there should be a single service for each repository. Is it o...

Typically when an application is deployed on a server farm, it has a central database, one or more application servers and one or more web servers. Since all the services in the application tier a...

In our application we have various layers. Service Layer, DAO layer and actions (struts applications). Data gets passed from one layer to another layer. Where we should ideally put input ...

I have a Windows Service that performs a number of periodic activities, and I want to change the settings of this service from a Windows Forms app. I'm not sure, though, about the best way to make ...

I am new to the concept of MVC and multi-tiered web architecture. I developing a PHP application and am using one of the available MVC frameworks. My question is as follows: From what I understand...