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

Table 2

Parameters and decision variables.

Symbol	Definition
	the set of all the links entering node ,
	the set of all the links leaving node ,
	the data flow of multicast transmitted on link heading for destination node ,
	the actual data flow of multicast transmitted on link ,
	The difference of data flow of multicast between the data flow entering and leaving node , which heading for destination node ,