A Robust Optimization Based Energy-Aware Virtual Network Function Placement Proposal for Small Cell 5G Networks with Mobile Edge Computing Capabilities

Table 2

VNF characterization for the service flavours of the evaluation scenario.

	VNF1	VNF2	VNF3	VNF4	VNF5	VNF6
Number of cores per instance
90 Mbps	1	2	1	1	1	1
108 Mbps	1	2	2	1	1	1
130 Mbps	1	2	2	1	1	1
156 Mbps	1	2	2	1	1	1
CPU usage
90 Mbps	30%	20%	90%	50%	50%	20%
108 Mbps	40%	30%	60%	60%	60%	30%
130 Mbps	40%	30%	60%	60%	60%	30%
156 Mbps	40%	30%	90%	40%	20%	30%
Service latency
90 Mbps	10 ms	15 ms	30 ms	35 ms	20 ms	25 ms
108 Mbps	10 ms	15 ms	35 ms	40 ms	25 ms	30 ms
130 Mbps	10 ms	15 ms	35 ms	40 ms	25 ms	30 ms
156 Mbps	12 ms	16 ms	40 ms	50 ms	30 ms	35 ms