
24 ◾ Mobile Ad Hoc Networks: Current Status and Future Trends
Table 2.2 Characteristic Comparison of Proactive, Reactive, and Hybrid Routing Protocols
AODV DSR TORA OLSR DSDV ZRP CEDAR AQOR
Routing type Reactive Reactive Reactive Proactive Proactive Hybrid Hybrid QoS-
Reactive
Alternative
route
Not
available
Not
available
Available Not
available
Not
available
Not
available
Not
available
Not
available
Routing
mechanism
Next hop Source
routing
Next hop Next hop Next hop N/A N/A Next hop
Routing
metrics
Shortest
path
Shortest
path
Shortest
path
Shortest
path
Shortest
path
Shortest
path
Shortest
path
Shortest
path
Update
routing
Yes-Hello
message
No No Yes Yes Half way ...