The Churn – Type II
A
F
G
AS Y
MED 0
AS X
AS Y
MED 1
C
D
B
E
SubAS 65000
SubAS 65001
SubAS 65002
2
3
10
2
40
40
AS_PATH
MED
IGP
C
D
E
X
3
Y
1
2
*
Y
0
50
= Withdrawal
= Advertisement
Step 8
– C selects Y0
– This is the same as Step 2
– BGP is in a loop
Y
1
42
*
Y
1
44
*
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