NAP/ISP Saturation WAS: Re: Exchanges that matter...

dave o'leary doleary at
Thu Dec 19 21:06:54 UTC 1996

At 3:25 PM -0500 12/19/96, David Miller wrote:
>Would someone please tell me just why icmp echos are "cpu intensive"?
>Yes, I know they're in software.  So what? A PC can respond to an
>ethernet loaded with them with a trivial percentage of it's CPU cycles.

a loaded ethernet is not the problem, a dozen OC3's worth of traffic is
the challenge.

Please let us not digress the NANOG list into "router design 101"


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