Thomas Kunz
Systems and
Computer Engineering
9
Pro-active
Route Maintenance in DSR
lD calculates
predicted link breakage time upon receiving packet from J
lSend
Prediction Route Error message to source node if link in critical state
uSource
node can rebuild the route
lMaintain
source-previous hop node table to limit number of Prediction Route Error messages (up to 3)
lBlock
Route Request from bad link
uBad
link will not appear in new route
lTimeout
mechanism
uNodes
may move closer later
J
D