Telematics Chapter 6: Network Layer - Freie Universität Berlin

Distance Vector Routing: The Bouncing Effect
● A reports C over link L1 with costs
of 2
● Router B adds costs of 1 to link L1
for C
● Value is lower than inf
● Table entry for C is replaced by link
L1 and costs of 3
● Passing on the table to A and E
● Message comes over link L1 resp.
4, which A and E are using for C
● Update of A and E
Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 6: Network Layer
A
L 3
1
L 1
L 4
D E
1
L 6
B C
1 1
1
L 2
10
From Link Costs
A to C L1 4
B to C L1 3
C to C Locally 0
D to C L3 3
E to C L4 4
L 5
6.180