Performance test result for IPsec/IPv4

From: Zhao, Forrest (forrest.zhao@intel.com)
Date: Thu Jul 31 2003 - 04:23:46 EST


Hi,

Recently, I did some performance test for IPsec/IPv4 using netperf.
Share the results with you.

OS Hardware Algorithm Key length
IPSec config Performance degrade
Linux kernel 2.5.72 P4 2G 256M RAM 3DES-cbc 192 bit
ESP transport mode 48%
Linux kernel 2.5.72 P4 2G 256M RAM blowfish-cbc 192 bit ESP
transport mode 5%
Linux kernel 2.5.72 P4 3G 512M RAM 3DES-cbc 192 bit
ESP transport mode 21%
Linux kernel 2.5.72 P4 3G 512M RAM blowfish-cbc 192 bit ESP
transport mode 3%

Brief conclusion:
1 more fast the CPU speed, the less performance degradation
2 blowfish has a better performance that 3DES

Thanks,
Forrest
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