[afnog] How to convince providers to take the sane option....

[Miku, E. Cornelius]

Hi,

Observed same problem both on our regional IX and national.

Mark, may be you can explain this scenario;Here a provider advertises the
de-aggregates alright but not all of them and not the aggregate. I know the
provider has not only one /20 but only advertises 2 0r 3 /24s.
And the same provider offer hosting services to local clients which are not
within the prefixes they advertise to IXs. What reason could they have to
do this?

Regards,

-- 
Miku


On Wed, May 14, 2014 at 11:19 AM, Mark Tinka <mark.tinka at seacom.mu> wrote:

> On Wednesday, May 14, 2014 09:46:21 AM Andrew Alston wrote:
>
> > Anyone who doubts there is local content, I might point
> > out that as of 10 minutes ago, I'm looking at traffic
> > graphs that are showing hundreds of megabits a second of
> > traffic flowing between African countries where we HAVE
> > managed to make this work, though it could be a lot
> > higher if the routing was just sane!
>
> This is a good point to make because CDN providers who have
> deployed caches on-continent in partnership with African
> providers test for, inter alia, latency.
>
> If a customer (or peer) has a local connection to an African
> ISP that hosts a CDN cache and also has a private
> international link to Europe; with some inconsistent routing
> thrown in in favour of the European link, the customer (or
> peer) will end up not using the local CDN cache because the
> CDN provider's latency test will return 125ms Africa to
> London vs. 130ms Africa to Africa.
>
> So the customer (or peer) ends up using the CDN provider's
> cache located in London, and yet there is a cache just
> literally down the road from their nearest PoP.
>
> This is a reality, and is not a good position to be in for
> a continent that badly needs to reduce the amount of traffic
> it ships off the land mass.
>
> Mark.
>
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