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Re: [IPsec] DH keys calculation performance

Vishwas Manral <vishwas.ietf@gmail.com> Tue, 26 July 2011 04:37 UTC

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Date: Mon, 25 Jul 2011 21:37:38 -0700
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From: Vishwas Manral <vishwas.ietf@gmail.com>
To: "Prashant Batra (prbatra)" <prbatra@cisco.com>
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Cc: ipsec@ietf.org
Subject: Re: [IPsec] DH keys calculation performance
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Hi Prashant,

Back in the days we had some acceleration of DH in the hardware
http://www.wipo.int/patentscope/search/en/WO2005008999.

Other things you can do is put in more CPU or use a lower DH group.

Thanks,
Vishwas

On Mon, Jul 25, 2011 at 8:29 PM, Prashant Batra (prbatra) <prbatra@cisco.com
> wrote:

> Hello,
>
> The DH exchange (Calculation of Public/Private key and the Secret) in
> IKEV2 Initial exchange
> seems to be very expensive. This is slowing down the overall IKEv2
> tunnel establishment.
> Is there a way to optimize it?
>
>
> Regards,
> Prashant
>

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