SDNManager: A Safeguard Architecture for SDN DoS Attacks Based on Bandwidth Prediction

Algorithm 3

Optimal mapping algorithm.

Input: Initial matching Θ; , ,

Output: , ,

(1) function

(2) for All controllers, ,   do

(3) for Each switch   do

(4) for controller   do

(5) Find the transfer pair with minimum

(6) endfor

(7) if   then

(8) Update:

(9) end if

(10) end for

(11) end for

(12) Transform to

(13) end function