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Re: Heartbeats Straw Poll

We must agree to disagree then. it's far from 'overhead'. Hwo would YOU feel
if you got charged for something that you didn't do?


On Tue, 8 Aug 2000, Michael Richardson wrote:

> >>>>> "Jan" == Jan Vilhuber <vilhuber@cisco.com> writes:
>     Jan> On Tue, 8 Aug 2000, Michael Richardson wrote:
>     >>  In my opinion, IPsec heartbeats should just be ICMP ping requests,
>     >> and the fact that any traffic is received is the "response".
>     Jan> But remember that there are customers that want to bill based on
>     Jan> traffic.  Having a heartbeat in the form of a ping through the SA
>   Red-herring. That is called "Overhead".
>   a) Does the customer pay for the ESP and IP outer frames? If so, then
> 	the cost of the ICMP ping will never show.
>   b) Does the customer pay for IKE frames? If so, then the cost of the ICMP
> 	will never show.
>   c) If the customer still has a problem, then turn off heart beats for that
> 	SA, and charge them extra for an "AlwaysOn" connection.
>     Jan> artificially drives up the packet/bytes counts. Now all of a sudden
>     Jan> you have to put more logic in to potentially not count these pings,
>     Jan> but you probably do want to count pings that the customer sends.
>     Jan> It's not QUITE as simple as merely sending pings...
>   I disagree. It is.
>    :!mcr!:            |  Solidum Systems Corporation, http://www.solidum.com
>    Michael Richardson |For a better connected world,where data flows faster<tm>
>  Personal: http://www.sandelman.ottawa.on.ca/People/Michael_Richardson/Bio.html
> 	mailto:mcr@sandelman.ottawa.on.ca	mailto:mcr@solidum.com

Jan Vilhuber                                            vilhuber@cisco.com
Cisco Systems, San Jose                                     (408) 527-0847

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