TSI has been having performance issues at peak time in general, are you sure this is related to OVH rather than a TSI problem?
The issue at last report was that Bell was traffic-limiting TSI's AHSSPI links, causing them to become congested.
EDIT: OVH does seem to have congestion on some links, though. They've overloaded their Newark to Ashburn link, and their Palo Alto to KDDI link.--
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