HB⁺-MHT: Lightweight and Efficient Data Integrity Verification Scheme for Cloud Virtual Machines

Table 3

Time overhead comparison between HHT and MHT.

	HHT-1				HHT-2
C	M
	64	256	512	1024	64	256	512	1024
100	0.98	1.00	1.02	1.06	0.84	0.92	0.99	1.02
200	0.90	0.95	0.99	1.03	0.75	0.82	0.91	0.99
300	0.77	0.89	0.94	1.00	0.58	0.70	0.83	0.94
400	0.60	0.79	0.90	0.98	0.48	0.60	0.78	0.88
800	0.49	0.65	0.75	0.88	0.32	0.50	0.62	0.79