Re: [sidr] WGLC: draft-ietf-sidr-bgpsec-reqs

Don't forget, BGPSEC sends one prefix per update.
Current traffic is 2 to 3 prefixes per update.

> -----Original Message-----
> From: sidr-bounces@ietf.org [mailto:sidr-bounces@ietf.org] On Behalf
> Of Eric Osterweil
> Sent: Thursday, November 10, 2011 10:46 AM
> To: Christopher Morrow
> Cc: Sriram, Kotikalapudi; sidr wg list
> Subject: Re: [sidr] WGLC: draft-ietf-sidr-bgpsec-reqs
> 
> 
> On Nov 10, 2011, at 1:41 PM, Christopher Morrow wrote:
> 
> > On Wed, Nov 9, 2011 at 3:37 PM, Eric Osterweil
> <eosterweil@verisign.com> wrote:
> >> Hey Sriram, Russ, and Jakob,
> >>
> >> Thanks for the #s.  I think I get the general notion that adding
> n updates per day per prefix equals (n * #prefixes)/1. :)  I guess
> my question was kinda vague, sorry.  Upon reexamination, I see that
> I said "overhead" without being specific.  Since we can use the
> updates that are generated today to measure how much (for example)
> bandwidth is already needed, can we calculate how much extra
> bandwidth universal deployment would mean?  Also, perhaps this would
> be most informative in the form of a ratio (i.e. a factor of $x$
> increase).  That way, when people look at events like the one that
> the "General Internet Instability" thread that just happened on
> NANOG refer to, they can gauge the update amplification that was
> seen against what _would_ be seen given bgpsec.  I think this
> actually kind of came up on nanog, so it seems like maybe it would
> be a relevant thing to look at here?
> >
> > is the 'bandwidth' of the bgp protocol in the wire an actual
> concern?
> > (at some point the discussion point came up ~1yr or more ago, but
> was
> > discarded as not relevant given circuit sizes and bandwidth from
> link
> > -> RP/RE/etc, so I'm genuinely curious about this)
> 
> I think it is just a concrete way to relate the amount of data being
> consumed today, to what may be needed tomorrow.  It isn't so much
> that 1 byte = good and 10 bytes = bad.  More that in trying to
> quantitative compare two behaviors, finding a common reference point
> seems like a good start, imho.  I think a meaningful ratio is more
> useful, but it just needs something to compare.
> 
> Eric
> 
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