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Re: Routescience?

  • From: Randy Bush
  • Date: Tue Aug 21 01:16:57 2001 
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> From: Sean Finn <[email protected]>
> Organization: Newly Organized. 
> To: Vadim Antonov <[email protected]>
> Vadim, 
> 
>    we recognize, and appreciate your concerns. 
> 
> Two major points with regard to the PathControl product, 
> and it's impact on the BGP environments:
> 
>   1) PathControl is currently targeted toward providing 
>      optimized egress routes to multihomed enterprises. 
>      Our technology is applicable to core routing, but
>      we certainly acknowledge the constraints in that 
>      environment are radically different ... 
> 
>   2) We've integrated extensive anti-flapping capabilities
>      into the product, and in addition have user-configurable 
>      settings for maximum rate of route change. 
>
> Given a high rate of changing performance measurements, the box 
> is capable of generating routing decisions at a high rate. 
> Our analysis (and default settings) show that significant 
> performance gains can be realized with a rate of change in 
> typical deployments less than ~100 prefix changes per hour.
> (And maximum rates can be constrained lower than this, 
> if desired.)

you're doing releasing just the perfect kind of sheep to graze the routing
commons of which i have been speaking, for example see
<http://psg.com/~randy/010809.ptomaine.pdf>,

folk, it's time to get those prefix length filters in before the real
/22-/24 pollution gets really crazy.

randy