Research on Methods for Discovering and Selecting Cloud Infrastructure Services Based on Feature Modeling

Table 3

Main nonfunctional metrics of the best matching instances.

Metric name	RackSpace	DigitalOcean	Linode
: cost	107.44	55	60
: security index	0.1478	0.1307	0.1396
: SPECCPU2006	111	101	118
: availability	0.9989	0.9980	0.9998
: scaling latency	123	55	118
: network latency	109 ms	398 ms	260 ms
: market share	5%	1%	2%