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What is N-Tier N-Tier applications are useful in that they are able to readily implement Distributed Application Design and architecture concepts. These types of applications also provide strategic benefits to solutions at the enterprise level. It is true that two tier client server applications may seem deceptively simple from the outset...
Three Tier Software Architectures In this tutorial you will learn about three tire software architectures purpose history technical details three tier architecture usage considerations maturity costs and alternatives. The concept of Three Tier and multi tier architectures originated with the idea of Rational Software. Three Tier software is...
Client-Server Models and N-Tier Applications One of principal objective of Client-Server methods is to provide data to an end user. However Client-Server architectural methodologies are much more complex. Client-Server describes the process wherein a client program generates contact with a separate server for a particular reason on a networked system....
N-Tier Application Manageability While it is a fact that N-Tier applications tend to provide almost limitless scalability the desire to change or add new forms of functionality can present a challenge in more than one arena. Growth on a large scale can make capacity planning quite hard. When available resources have been exhausted by applications...
N-Tier Application Partitioning Application partitioning is a vital process as it provides one with the opportunity to clearly define an even distribution of an application s presentation process and key data components without which you may find yourself feeling quite lost. The components may be distributed over several different physical machines...
N-Tier Architecture Presentation Logic Layer Composition of the Presentation Layer The Presentation Layer in an N-Tier structure is commonly referred to as the client” layer. It consists of parts that are used to present data to an end user. Examples of components on the Presentation Layer might include edit boxes labels text boxes...
N-Tier Architecture The Business Rules Layer Business Rules Layer in N-Tier Architectures The Business Rules Layer in an N-Tier architecture is that layer that contains the Business logic and or Business rules of the application. Reserving a separate layer strictly for Business logic in an N-Tier architecture is a major advantage in that any...
N-Tier Architecture Data Access Layer In an N-Tier architecture the data access layer consists of components that aid one in the process of accessing the database. When it is used correctly the data access layer serves as an abstract level for the structures of the database. Simple changes that are made to the database and to tables and other components...