[afnog] AMS-IX concerns

Wed Oct 29 16:41:05 UTC 2014

Speaking only for SEACOM, we are certainly not congesting 
our interconnect to AMS-IX East Africa. It is many times of 
order the capacity shown in the graphs.

I cannot speak for the other peers.

Mark.

On Wednesday, October 29, 2014 05:49:45 PM Adam Nelson 
wrote:
> I finally got the right person at AMS-IX and they've
> confirmed the chart reflects erratic traffic from just
> one peer.  It's non-public though so it could be JTL,
> SEACOM, Safaricom, or Google.  We know it's not Google
> and probably not SEACOM so that leaves 2 candidates.  My
> money is on JTL (where the worst problems have been
> lately).
> 
> Anyway, hopefully it will get fixed.
> 
> -Adam
> 
> --
> Kili - Cloud for Africa: kili.io
> Musings: twitter.com/varud <https://twitter.com/varud>
> More Musings: varud.com
> About Adam: www.linkedin.com/in/adamcnelson
> 
> On Wed, Oct 29, 2014 at 6:48 PM, Andrew Alston <
> 
> Andrew.Alston at liquidtelecom.com> wrote:
> >   Could also be a counter issue on the graphs that’s
> >   wrapping?
> >  
> >  Though not sure if that would go all the way to a gig
> >  before it wrapped?
> >  
> >  *Andrew Alston*
> > 
> > Group Head of IP Strategy
> > 
> >   Sameer business Park, Block A, Mombasa Road. Nairobi,
> >   Kenya
> > 
> > *T:* +254 205000000 -  *M*: +254 733 2222 04 - *E:*
> > andrew.alston at liquidtelecom.com
> > 
> >   From: Adam Nelson <adam at varud.com>
> > 
> > Date: Wednesday, October 29, 2014 at 6:31 PM
> > To: Frank Habicht <geier at geier.ne.tz>
> > Cc: "afnog at afnog.org" <afnog at afnog.org>
> > Subject: Re: [afnog] AMS-IX concerns
> > 
> >  Frank,
> >  
> >  JTL is totally hosed right now but this was happening
> >  yesterday too.
> >  
> >  Unfortunately, there aren't daily charts farther back
> >  that I can see.
> >  
> >  I understand the manual thing but this chart shows,
> >  suspiciously, that
> > 
> > the throughput gets up to about 1Gbps and then drops
> > dramatically - then gets back up there, and drops
> > again.  That seems like routing around a throttled
> > connection or something automatic.
> > 
> >  -Adam
> >  
> >   --
> > 
> > Kili - Cloud for Africa: kili.io
> > 
> >  Musings: twitter.com/varud <https://twitter.com/varud>
> > 
> > More Musings: varud.com
> > About Adam: www.linkedin.com/in/adamcnelson
> > 
> > On Wed, Oct 29, 2014 at 6:27 PM, Frank Habicht 
<geier at geier.ne.tz> wrote:
> >> Hi Adam,
> >> 
> >> according to
> >> https://eastafrica.ams-ix.net/connected_parties
> >> there are 4 peers connected (IXP NOC not counted).
> >> 
> >> if one or two of them occasionally see better routes
> >> (not via IXP) to destinations at one or two of the
> >> other peers, something like this can easily happen
> >> imho.
> >> 
> >> It look like it happens quite often, and doesn't last
> >> long, so routes are unstable. Generally not good.
> >> that happening only during work hours I would
> >> guess one (or more) humans are part of this - ie not
> >> because of saturation.
> >> My _feeling_ ....
> >> 
> >> only participating networks, or route server operator
> >> are really able to tell.
> >> (Oh, and I heard: one of the participants is doing a
> >> network upgrade)
> >> 
> >> Frank
> >> 
> >> On 10/29/2014 6:03 PM, Adam Nelson wrote:
> >> > Hello,
> >> > 
> >> > I'm looking at the following chart:
> >> > 
> >> > https://eastafrica.ams-ix.net/technical--4/statistic
> >> > s
> >> 
> >> https://dl.dropboxusercontent.com/s/ncjo6o4yi0lgivd/20
> >> 14-10-29%20at%202.24%20PM.png?dl=0
> >> 
> >> > I've looked at enough charts to see that the flat
> >> > top at 1Gbps with deep dips signals a saturation of
> >> > some sort.
> >> > 
> >> > However, I'm getting a very negative response from
> >> > AMS-IX and since they won't give out peering data,
> >> > there's no way to confirm my suspicions
> >> 
> >> that
> >> 
> >> > something is wrong there.
> >> > 
> >> > Anyway, does anybody have any information to support
> >> > or refute the
> >> 
> >> claim?
> >> 
> >> > I may be totally wrong (which would be fine) but I
> >> > really don't know. Unfortunately, JTL, Safaricom,
> >> > and KENET are all mostly down today so
> >> 
> >> I'm
> >> 
> >> > having trouble doing much research.
> >> > 
> >> > Cheers,
> >> > Adam
> >> > --
> >> > Kili - Cloud for Africa: kili.io <http://kili.io/>
> >> > Musings: twitter.com/varud
> >> > <https://twitter.com/varud> More Musings: varud.com
> >> > <http://varud.com>
> >> > About Adam: www.linkedin.com/in/adamcnelson
> >> > <https://www.linkedin.com/in/adamcnelson>
> >> > 
> >> > 
> >> > _______________________________________________
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> >> > http://afnog.org/mailman/listinfo/afnog
> > 
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