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Re: GLBX ICMP rate limiting (was RE: Tier-1 without their own backbone?)

  • From: Jared Mauch
  • Date: Thu Aug 28 12:54:32 2003

On Thu, Aug 28, 2003 at 03:55:26PM +0000, Christopher L. Morrow wrote:
> On Thu, 28 Aug 2003, Wayne E. Bouchard wrote:
> >
> > While rate limiting ICMP can be a good thing, it has to be done
> > carefully and probably can't be uniform across the backbone. (think of
> > a common site that gets pinged whenever someone wants to test to see
> > if their connection went down or if it's just loaded.. Limit ICMP into
> > them impropperly and lots of folks notice.) Such limiting also has to
> > undergo periodic tuning as traffic levels increase, traffic patterns
> > shift, and so forth.
> Along these lines, how does this limiting affect akamai or other 'ping for
> distance' type localization services? I'd think their data would get
> somewhat skewed, right?

	Perhaps they'll come up with a more advanced system of

	probally the best way to do that is to track the download speed
either with cookies (with subnet info) or by subnet only to determine
the best localization.

	With an imperfect system of tracking localization, you will
get imperfect results.

	- jared

Jared Mauch  | pgp key available via finger from
clue++;      |  My statements are only mine.

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