US/Canada International border concerns for routing
eric.kuhnke at gmail.com
Wed Aug 9 02:13:49 UTC 2017
It is worth noting, however, that the former AllStream ASN (formerly AT&T
Canada) AS15290 is a completely different thing, and has distinct
infrastructure and routing from the AboveNet ASN which is operated by Zayo.
Although they are probably using "Free" Zayo transport by now.
If I am grossly wrong and anybody from layer 3 network operations at Zayo
wants to chime in and tell us about the 40,000 ft view of their plans to
combine AS15290 and AS6461, I am sure the community would be very
On Tue, Aug 8, 2017 at 5:31 PM, Stephen Fulton <sf at lists.esoteric.ca> wrote:
> MTS Allstream is no longer a combined entity. MTS was purchased by Bell
> Canada and Allstream was purchased by Zayo.
> -- Stephen
> On 2017-08-08 8:19 PM, TR Shaw wrote:
>> What does Bell buying MTS do? Does it change your statement or will the
>> MTS portion of Bell still peer locally?
>> On Aug 8, 2017, at 8:10 PM, Bill Woodcock <woody at pch.net> wrote:
>>> On Jul 20, 2017, at 7:01 AM, Hiers, David <David.Hiers at cdk.com> wrote:
>>>> For traffic routing, is anyone constraining cross-border routing
>>>> between Canada and the US? IOW, if you are routing from Toronto to
>>>> Montreal, do you have to guarantee that the path cannot go through, say,
>>>> Syracuse, New York?
>>> No. In fact, Bell Canada / Bell Aliant and Telus guarantee that you
>>> _will_ go through Chicago, Seattle, New York, or Ashburn, since none of
>>> them peer anywhere in Canada at all.
>>> Last I checked (November of last year) the best-connected commercial
>>> networks (i.e. not CANARIE) in Canada were Hurricane Electric, MTS
>>> Allstream, Primus, and Zip Telecom, all of which peer at three or more
>>> Canadian IXes. So, they’re capable of keeping traffic in Canada so long as
>>> the other end isn’t on Bell or Telus, which only sell U.S. bandwidth to
>>> In November, only 27% of intra-Canadian routes stayed within Canada; 64%
>>> went through the U.S. That’s way worse than five years ago, when 60%
>>> stayed within Canada, and 38% went through the U.S.
>>> As has been pointed out, Canada has been building IXPs… Just not as
>>> fast as the rest of the world has. They’re behind the global average
>>> growth rate, and behind the U.S. growth rate, which is why the problem is
>>> getting worse. Bandwidth costs are falling faster elsewhere, so they’re
>>> importing more foreign bandwidth.
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