Thomas Kunz
Systems and
Computer Engineering
19
Route
Error in DSR
B
A
S
E
F
H
J
D
C
G
I
K
Z
Y
M
N
L
RERR [J-D]
J sends a route error to S along route J-F-E-S when its
attempt to forward the data packet S (with route SEFJD) on J-D fails
Nodes hearing RERR update their
route cache to remove link J-D