1stAvailable control, 382, 384
1stErrors control, 152
1stTerritories control, 382, 384
1-tier architecture, 2
2-tier architecture, 2–5
building like three-tier architecture, 5
drawbacks of, 4
limit on scalability, 2
overview of, 2–5
when to use, 3
3-tier architecture, 11. See also n-tier architecture