IDC	International Data Corporation;
QoS	Quality of Service;
DVFS	Dynamic Voltage and Frequency Scaling;
ILP	Integer Linear Programming;
CPU	Central Processing Unit;
LSL	Lower Safety Limit;
ARM	Advanced RISC Machines.
Symbols
B	Bandwidth from a wireless channel;
$D_T$	Device type;
g	The channel gain;
$u_{localT}$	Execution time weighting for a local server;
$u_{localE}$	Energy consumption weighting for a local server;
$u_{mecT}$	Execution time weighting for a MEC server;
$u_{mecE}$	Energy consumption weighting for a MEC server;
$u_{CloudT}$	Execution time weighting for the Cloud;
$u_{CloudE}$	Energy consumption weighting for the Cloud.