Fwd: huge performance loss with ipsec 2.6.16.20 on ppc85xx

[emin ak]

Dear All,
I'am planning to use linux  2.6 ipsec for an vpn design with an
embedded powerpc (mpc85xx) family. Basic routing performance looks
pretty for the system with 2.6.16.20 kernel
---------------------------------------------------
Basic routing performance on ppc85xx
64Byte packets:         230680 pps
512 Byte packets:       176221 pps
1518 Byte packets:      77617 pps
---------------------------------------------------
Software AES 256 ipsec tunnel mode routing performance (with manual keyying):
64Byte packets:      55059pps (-%76 lesser then normal routing)
512 Byte packets:   23496 pps (-%87 lesser then routing)
1518 Byte packets:  8533 pps (-%90  lesser then  routing)
-----------------------------------------------------

I know software encryption/ decryption affects system performance
alot, but isn't %90 decreasement  so much for this effect?

Is there any ipsec performance benchmark  with same of different
platform, or anyting wrong with my tests?
Thanks alot for the responses..
Regads
Emin Ak
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