What is tier? - Definition from WhatIs.com
Part of the Programming glossary:

In general, a tier (pronounced TEE-er ; from the medieval French tire meaning rank, as in a line of soldiers) is a row or layer in a series of similarly arranged objects. In computer programming, the parts of a program can be distributed among several tiers, each located in a different computer in a network. Such a program is said to be tiered , multitier , or multitiered .

The 3-tier application model is probably the most common way of organizing a program in a network. N-tier applications (programs) are those that are tiered but the number of tiers isn't specified or may vary.

This was last updated in September 2005
Contributor(s): Philip Lafeber and Yesim Yagci
Posted by: Margaret Rouse

Related Terms

Definitions

  • deprecated

    - In dictionaries, deprecated is a term used to indicate a pronunciation or usage that is acknowledged but discouraged. (WhatIs.com)

  • security by design

    - Security by design is an approach to software and hardware development that seeks to make systems as free of vulnerabilities and impervious to attack as possible through such measures as continuous... (WhatIs.com)

  • codebase (code base)

    - A codebase (sometimes spelled as two words, code base) is the complete body of source code for a given software program or application. (WhatIs.com)

Glossaries

  • Programming

    - Terms related to software programming, including definitions about programming languages and words and phrases about software design, coding, testing and debugging.

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question. Find an Answer.Powered by ITKnowledgeExchange.com

Ask An IT Question

Get answers from your peers on your most technical challenges

Ask Question

Tech TalkComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.