Energy-Efficient Cloudlet Management for Privacy Preservation in Wireless Metropolitan Area Networks

Table 1

Key terms and descriptions.

Terms	Description
	The set of running cloudlets, C =
	The set of tasks running on the cloudlets,
	The set of APs deployed in WMAN,
	The total energy consumption without VM migrations
	The number of VM instances () accommodates.
	The data transmission rate between APs
	The resource utilization of ()
	The data transmission delay time
	The running time of ()
	The requested number of VM instances.
	The VM instances in the same cloud for executing the same task could be composed as a special VM