Constant-Size Credential-Based Packet Forwarding Verification in SDN

Table 4

Header space overhead ratio with path length L = 10.

	Header space overhead ratio of different payload
	128 B	256 B	512 B	1024 B
CSCPV	25%	12.5%	6.25%	3.13%
SDNsec	79.6%	39.8%	19.9%	9.96%
OPT	100%	82.8%	41.4%	20.7%