[Openswan Users] GBit performance

Paul Wouters paul at xelerance.com
Fri Nov 27 10:52:02 EST 2009

On Fri, 27 Nov 2009, Nick Howitt wrote:

> As a thought, you could look at something built round the Via Nano
> processors (http://www.via.com.tw/en/products/processors/nano/) and some
> of their older C7 processors. They support hardware encryption (these
> are the "padlock" messages you see when starting ipsec). They claim AES
> encryption at up to 25Gbps and SHA-1 and SHA-256 at up to 5Gbps.
> Openswan supports this natively.
> The only problem is that as fully featured server, the chips are
> probably under powered.

They are also limited by memory. C3 can only take 1GB. The C7 I believe
can take 2x2GB max. I have not tried their 64bit nanos yet.

> I am not sure which motherboards use these processors.

Many. But you usually have to order online, because no one carries them
in actual storefronts.


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