Neighboring and Connectivity-Aware Routing in VANETs

Table 1

Comparison of routing protocols.

Routing protocols	Type of routing	Delivery ratio	Latency (sec)	Environment applicable
GPSR	Non-DTN	Low	High*	Urban
GPSR-L	Non-DTN	Better	ND	Highway
VRP	Non-DTN	High	ND	Highway
GPSR J+	Non-DTN	Low	High*	Urban
GRANT	Non-DTN	Low	ND	Urban
A-STAR	Non-DTN	High	High*	Urban
LOUVRE	Non-DTN	Better	High*	Urban
RBVT-R	Non-DTN	High	High*	Urban
RBVT-P	Non-DTN	Better	Low*	Urban
EBGR	Non-DTN	Low	Low*	Urban and Highway
B-MFR	Non-DTN	Low	High*	Urban
VADD	DTN	High	Low*	Urban
CMGR	DTN	High	High*	Urban
SADV	DTN	Low	High*	Urban and highway
D-Greedy	DTN	High	High*	Urban
D-MinCost	DTN	High	High*	Urban
GeoDTN + Nav	Hybrid	High	High*	Urban

Low: below 50%; better: between 50% and 70%; high: above 70%.
Low*: below 0.04; high*: above 0.04; ND: not determined.