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e94mli

join:2009-04-07

reply to Acanac PN

Re: PPPoE session from Montreal terminating in Toronto???

If I understand you correctly it is normal for the session to terminate in Toronto. I guess it doesn't make a huge difference when interleaving is active, at least if it has high interleaving depth, but it makes a difference. A return trip Montreal-Toronto should be about 10 ms and adsl with interleaving adds about 40ms. In the case of accessing something in locally in Montreal the Toronto trip makes a difference since it might add up to 20ms, but it doesn't make up for a 100ms difference as you say.
Going fast path versus interleaving is always a trade off. Also the interleaving depth is something to consider. For a normal Internet access pack errors aren't that critical and it can actually benefit in terms of speed even with a higher error rate since a lower delay might go easier on tcp. For a multicasted tv service packet errors are a disaster and a high interleaving is therefore a must. So what I'm saying is that in my case fast path would be worth the risk. If you don't mind changing it I would want to give it a try.
Except for the somewhat high delay the connections has been working perfectly after the Bell "miss configuration" was sorted out. Thanks for the hard work of keeping us happy.

Mikael


Acanac PN
Acanac Support
Premium
join:2008-10-27
Montreal, QC

BTW, I saw on one new activation in Montreal - friend of mine who is Acanac user, the technician logged with his PPPoE and the ping to NY was 28ms, Then he did the same test with customer's PPPoE (Acanac) - it showed exactly 28ms, so I dont believe the PPPoE itself makes difference.

Let me create a fast path query for you.

Note - the upstream shows 512 not 800 but you are very close to CO. It could be an IKNS one.

Thanks


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