Parameter

Proactive

Reactive

Hybrid

Route discovery

Periodically

On-demand

Both

Overhead cost

High

Low

Moderate

Reaction on failure

Slow

Fast

Fast

Data requirement for maintenance

Large

Small

Medium

Connection establishment delay

Low

High

Low

Probability of congestion

Low

High

Low

Route reconfiguration

Difficult

Easy

Easy

Periodic updates

Yes

No

Yes