Algorithm A5. Rank Attack Mitigation
1:	input: preferred_parent1
2:	input: preferred_parent2
3:	input: preferred_parent1_status
4:	input: preferred_parent2_status
5:	input: parent1_metric
6:	input: parent2_metric
7:	input: p1
8:	input: p2
9:	if preferred_parent1 == 1 || preferred_parent2 == 1 then
10:	if parent1_metric < parent2_metric then
11:	set p1
12:	else
13:	set p2
14:	End if
15:	else
16:	if preferred_parent1_status != 1 &&  preferred_parent2_status != 1 then
17:	if parent1_metric < parent2_metric then
18:	set p1
19:	else
20	set p2
21	End if
22	End if
23	End if
24	End