Sporadic Cloud-Based Mobile Augmentation on the Top of a Virtualization Layer: A Case Study of Collaborative Downloads in VANETs

Table 2

List of timers used in our S-CMA approach.

Used by	Timers	Tune time to:
AppN	T_ResourceRequest	Wait for information about available augmentation resources.
AppN	T_TaskDistribution	Allow allocating download tasks among the CNs.
AppN	T_IntersectionReception	Wait for the tasks performed by the CNs when an AppN enters an intersection.
AppN	T_Reception	Wait for the chunks of content downloaded by the CNs.
CN	T_CompleteTaskACK	Wait for ACK of one or more completed chunks that have been sent from the CNs to the AppN.
CN	T_IncompleteTaskACK	Wait for ACK of a download task that cannot continue.
AppN	T_GuardTime	Wait a Guard Time for chunks sent by the CNs after receiving M_CloudRelease from the AppN.