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Fig. 1: Storage CapacityFig. 2: Transmission SpeedsFig. 3: Chemical RefrigerantsFig. 4: Availability and DowntimeFig. 5: Data Center Tiers
Fig. 6: OSI ModelFig. 7: Internet Protocol StackFig. 8: ITU Radio BandsFig. 9: Common Frequency BandsFig. 10: Wireless Standard Summary
Fig. 11: Structured Cabling SystemFig. 12: Cable CategoriesFig. 13: TIA-569 Space DefinitionsFig. 14: TIA-568 Structured Cabling SystemFig. 15: TIA-862 Building Automation System Cabling
Fig. 16: TIA-942 Data Center Cabling    

Fig. 4: Availability and Downtime

Availability Level

Percentage

Downtime per Year

Three Nines

99.9%

8 hours 46 minutes

Four Nines

99.99%

53 minutes

Five Nines

99.999%

5 minutes

Six Nines

99.9999%

32 seconds

 
 

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