Usage methodology

Usage impacts can be measured at device or component level from usage configuration.

Usage impacts are measured by multiplying a duration, an impact factor, and an electrical consumption :

impact = electrical_consumption * duration * impact_factor

Characteristics

Name	Unit	Default value	Description	Example
days_use_time	None	One year (365 days)	Number of days considered in the evaluation	2
hours_use_time	None	One year (8760 hours)	Number of hours considered in the evaluation	2
years_use_time	None	One year	Number of years considered in the evaluation	2
years_life_time	None	3	Lifespan of the element	4
usage_location	trigram	EEE (EU27+1)	See available country codes	FRA
hours_electrical_consumption	Watt/hour	None	Average electrical consumption per hour	120
time_workload		50%	See usage	..

In addition to the parameters from the above table, you can use the following:

Name	Unit	Default value	Description	Example
other_consumption_ratio	None	0.33	Power consumption ratio of other components relative to RAM and CPU	0.2

In addition to the parameters from both tables above, you can use the following:

Name	Unit	Default value	Description	Example
instance_per_server	None	1	See usage	10
years_life_time	None	2	Lifespan of the cloud element	2