Table 5.

Average packet loss rate and end to end delay.

Number of nodes	LEACH	Energy efficient hierarchical clustering	Firefly based clustering	Hybrid firefly based clustering
Packet loss ratio %
75	8.3	7.52	6.93	6.07
150	12.74	11.34	10.2	9.06
225	13.15	12.66	10.66	10.42
300	18.3	17.06	15.62	15.53
375	24.68	23.04	21.26	21.05
450	34.48	32.76	24.08	23.05
End to end delay in second
75	0.0011	0.0012	0.0012	0.0010
150	0.0012	0.0014	0.0013	0.0011
225	0.0116	0.0131	0.0121	0.0109
300	0.0197	0.0160	0.0146	0.0136
375	0.0404	0.0421	0.0369	0.0352
450	0.0436	0.0440	0.0466	0.0437