Vampire Attack Mitigation and Network Performance Improvement Using Probabilistic Fuzzy Chain Set with Authentication Routing Protocol and Hybrid Clustering-Based Optimization in Wireless Sensor Network

Algorithm 1

Cluster setup phase.

(1)	Input
(2)	Output
(3)	For each node do
(4)	Evaluate
(5)	Nodes known their neighbours
(6)	Broadcast packet type_1
(7)	Evaluate number of neighbour nodes
(8)	Every node evaluates delay time
(9)	Evaluate average energy of neighbour nodes
(10)	S . Type = “”.
(11)	If  = close to 0
(12)	CountCH = countCH + 1
(13)	. Type =  “.”
(14)	End
(15)	While close to
(16)	Broadcast packet type_2
(17)	If
(18)	End
(19)	. Type = “N.”
(20)	While
(21)	If
(22)	If . Type =  “.”
(23)	If
(24)	Type =
(25)	Else Type =  “.”
(26)	End While