Software-Defined Networks and Named Data Networks in Vehicular Ad Hoc Network Routing: Comparative Study and Future Directions

Table 3

Performance metrics of conventional VANETS routing protocols.

Ref.	Performance metrics
	Packetdelivery ratio	End to end/average delay	Throughput	Packetloss	Routing/message/communication overhead	Other metrics
[23]	No	Yes	No	Yes	No	NA
[21]	Yes	Yes	Yes	Yes	Yes	Normalized routing overhead
[24]	Yes	Yes	No	No	No	NA
[27]	Yes	Yes	No	No	No	Control overhead, control packets
[32]	No	Yes	Yes	No	Yes	NA
[37]	Yes	Yes	No	Yes	No	Control overhead, control packets