A Semistructured Random Identifier Protocol for Anonymous Communication in SDN Network

Algorithm 3

Generate a tree set.

Input: network topology

Input: balance difference restriction

Input: cost restriction

Input: current level

(1) ≔ all partitions of ;

(2)foreach    do

(3)if  

(4)or    is disconnected

(5)or    is disconnected  then

(6)delete from ;

(7)end

(8)end

(9)Sort s in in the descending order of edge cut cost;

(10)Keep the top of s and delete others;

(11)foreach   in   do

(12)Output tree node ;

(13)Self call with parameter ;

(14)Self call with parameter ;

(15)end