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RE: IPSec Throughput



Both are required.  I'm just trying to fully understand the total overhead required per packet.

 C I S C O  S Y S T E M S     Ted Hannock
                                         Systems Engineer
                                      Cable East Operations 

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308 Harper Drive, Suite 100 
Moorestown, New Jersey 08057


-----Original Message-----
From:	Theo PAGTZIS [SMTP:T.Pagtzis@cs.ucl.ac.uk]
Sent:	Tuesday, April 27, 1999 9:30 AM
To:	Ted Hannock
Cc:	'ipsec@lists.tislabs.com'
Subject:	Re: IPSec Throughput

Is that only authentication or encryption as well that is required?

Theo
(UCL)

>To All,
>
>Does anyone know what effect IPSec has on a particular transmission?  I read t
>he RFC and it stated that the AH is 31 bytes long.  Is this the only overhead 
>to an encrypted packet?  If not, what else is added and how much overhead?  If
> a 1meg file is encrypted using IPSec, what does the header/encryption add to 
>this file?
>
>Any feedback would be appreciated.
>
> C I S C O  S Y S T E M S     Ted Hannock
>                                         Systems Engineer
>                                      Cable East Operations 
>
>       ||         ||        Voice - 1.609.642.7073
>       ||         ||        Pager (Voice) - 1.800.365.4578 
>      ||||       ||||       Pager (E-Mail) - thannock@epage.cisco.com
>     ||||||     ||||||      Fax - 1.609.642.7098 
>    ||||||||| |||||||||     E-mail - thannock@cisco.com 
>
>308 Harper Drive, Suite 100 
>Moorestown, New Jersey 08057
>
>