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Re: lug-bg: OT: HWD Requirements for GRE Tunnel
- Subject: Re: lug-bg: OT: HWD Requirements for GRE Tunnel
- From: Radoslav Kolev <radolin@xxxxxx>
- Date: Fri, 23 Apr 2004 09:45:55 +0300
Здравей!
Отговор с да/не също ме удовлетворява. i486 100-120mhz ще понесе ли
криптирането( 3DES?) за 64Kb канал , по който ще върви тунела?
Да.
Тriple DES implementation as 928 Pentium cycles per block, or 116 per
byte. Adding that to the 24 above, we get 140 cycles per byte for IPsec
with encryption. At 140 cycles per byte, a 140 MHz machine can handle a
megabyte -- 8 megabits -- per second. Speeds for other machines will be
proportional to this. To saturate a link with capacity C megabits per
second, you need a machine running at C * 140/8 = C * 17.5 MHz.
Виж
http://www.freeswan.org/freeswan_trees/freeswan-1.99/doc/performance.html
Радо
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