Improving Fairness for Distributed Interactive Applications in Software-Defined Networks

Table 1

Key symbol.

Symbol	Definitions or descriptions
	The graph representing the network
	The number of controllers
	The processing capacity of controller
	The time slot
	The traffic rate at switch
	The load of controller in time slot
	The processing time of the controller in time slot
	A nonnegative variable constant
	A binary variable indicating whether switch is connected to controller
	A binary variable indicating the switch is included in the path between source node and destination