3-tier architecture
A 3-tier architecture involves (surprise!) one more tier, always
distributed.
- Tier 1: The database.
- Tier 2: An application server of some kind.
- Tier 3: An end-user, e.g. operating a browser or a cell phone.
A "stack" of technology implements the tiers.
LAMP stack
- L: Linux
- A: Apache (web server)
- M: MySQL (database)
- P: PHP (server-side language)
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