[13674] in North American Network Operators' Group

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Re: Well done Sprint!

daemon@ATHENA.MIT.EDU (Ex-Support Wench)
Thu Nov 13 19:39:10 1997

Date: Thu, 13 Nov 1997 19:32:15 -0500 (EST)
From: Ex-Support Wench <alex@shell2.tiac.net>
To: nanog@merit.edu

What do y'all think of pathchar *as it is now*?  How reliable is it for
determining actual _available bandwidth_?  I thought according to VJ,
CAIDA, Cisco and even the NSF it was "way-alpha"? 

Steve Blair wrote:
>
>well, one could get Van Jacobson's pathchar, and learn the
>true capacity that way. I could care less what *theoretical
>bandwidth* is available, when customers complain. I want to
>know what bandwidth *is available*, and pathchar goes a very
>long way towards that end.
>
>link labelling could be arguably silly, if you're basing your
>determination on a competetitor's labels, you could 
>get some unusual surprises IMHO...
>
>-- 
>steve c blair 	tivoli systems inc	sblair@dev.tivoli.com
>"Why can't we blast them onto someone else's property?"
>
>'Vadim Antonov writes...'
>**> 
>**> There's no use in promoting corporate paranoia at the expense of
>**> engineering cooperation.  It is like butcheing the hen which lays
>**> the golden eggs.  Knowing link capacity was useful (while it lasted)
>**> to get the idea of what is more likely to be dropping packets
>**> on the floor when customers complained.



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