[140369] in North American Network Operators' Group

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Re: VPN tunnels between US and China dropping/slow

daemon@ATHENA.MIT.EDU (Adam Rothschild)
Tue May 10 13:11:54 2011

In-Reply-To: <!&!AAAAAAAAAAAYAAAAAAAAAF14xRJYlm1EkOxD1AqQStBCgQAAEAAAAColMwoxwv1Dm+TBnWagJ14BAAAAAA==@fuhell.com>
From: Adam Rothschild <asr@latency.net>
Date: Tue, 10 May 2011 13:10:46 -0400
To: Thomas York <straterra@fuhell.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Realize also that China Telecom is congested both internally and on
certain peering interfaces.

While DPI is a likely culprit, be sure to not overlook a good
old-fashioned inability to manage capacity, combined with certain
hashing algorithms...

-a


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