Moving Target Defense Based on Adaptive Forwarding Path Migration for Securing the SCADA Network

Table 2

Variable notation.

Notation	Definition
	Mutation period
	Boolean variable whether routing node forwards the th data flow within mutation period
	Forwarding path for mutation
	Routing node for mutation
	Marginal cost of forwarding path carrying data flow
	Marginal cost of routing node carrying data flow
	Set of the routing nodes on mutation path excluding the routing nodes with the source and destination addresses
	Distance from the current mutation node to the target routing node
	Resource capacity of routing nodes and forwarding paths that ensures secure forwarding from source node to destination node
	Maximum residual capacity from source node to destination node
	Security coefficient
	Network security capacity matrix from source node to destination node
	Adjustment parameter