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Internet Exchange Point(IXP) questions



> -----Original Message-----
> From: christopher.morrow at gmail.com
> [mailto:christopher.morrow at gmail.com] On Behalf Of Christopher Morrow
> Sent: Friday, February 18, 2011 11:34 AM
> To: Michael K. Smith - Adhost
> Cc: Yaoqing(Joey) Liu; nanog at nanog.org
> Subject: Re: Internet Exchange Point(IXP) questions
> 
> On Fri, Feb 18, 2011 at 1:43 PM, Michael K. Smith - Adhost
> <mksmith at adhost.com> wrote:
> 
> > Sorry for the misfire on my last email. ?The 206.81.80.0/23 network is
> assigned to the SIX from ARIN. ? In general, we don't want
> > people to announce that space to the DFZ, so the three providers listed
> above are not filtering their announcements properly. ?It is, as
> > others have said, a good idea to announce the exchange block to your
> customers, but not out to the DFZ.
> 
> why is it a good idea to send this to your customers? the next-hop
> info is surely only useful to your local network? done right it's even
> only relevant to the IX connected router, right? it seems wholely
> unusful to your customers. (to me at least)

I was thinking about what Leo said about tools that test each hop through a path.  At least my downstream customers will be able to test through the SIX connection if I announce the /23 to them.

Mike