Secure Data Delivery with Linear Network Coding for Multiple Multicasts with Multiple Streams in Internet of Things

Table 4

Parameters and decision variables.

Symbol	Definition
	The node can be selected as source of the multicast,
	, in which is the number of source nodes can be selected for the multicast
	The data flows passing through link , sent from source node to the destination node
	The actual data flows passing through link , sent from source node
	The difference between the data flows entering and leaving node , sent from source node to destination node
	A sufficient large number
	A decision variable, which denotes whether the source node is selected for the multicast or not