A Persistent Route Diversification Mechanism for Defending against Stealthy Crossfire Attack

Algorithm 1

Link congestion level analysis.

(1)	functionLCLA()
(2)
(3)
(4)
(5)
(6)
(7)	ifthen return 0
(8)	, subject to:
(9)	, subject to
(10)
(11)	return
(12)	end function