Look up tier in Wiktionary, the free dictionary.

TIER may refer to:

• Taiwan Institute of Economic Research, one of two major economic research institutes in Taiwan

Tier may refer to:

• Tier (song), by German band Rammstein
• A layer in a multitiered software architecture
• Tier (emission standard), Vehicle and Gasoline Sulfur Program.
• A group of Cable networks offered together to subscribers, rather than separately
• An unofficial rating system commonly used in the Video Game community to rate characters from best to worst. Most seen among Fighting Games

[edit] See also

• Tier 1
• Tier 2

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For Computer solutions, tiers in Physical Architecture are the groups of servers/services separated by network while layers are logical separation within the code or process. For example, presentation, business logic and data layers are examples for code management in development. Web, application and data tiers are examples for physical servers management in a deployment scenario.