Please have a look on this announcement which we received by our USA datacenter.

Description: Date: Saturday, April 24th, 2010 (04/24/2010)
Start time: 12:00 AM CDT (USA Time)
End time: 7:00 AM CDT (USA Time)
Duration: 7 hours
Service Affected: Public Network, Private Network
Reason: Network Migration
Location: All Datacenters

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Our Engineers will be conducting maintenance on the transport gear that provides connectivity between data centers and to peering exchanges. During this maintenance window, traffic will be gracefully shifted to other providers. Engineers will be bringing new backbone routing equipment online

In conjunction with bringing this equipment online, Engineers will be turning up new circuits linking these locations together. Transit and peering circuits within each location will also be turned in another maintenance window. During this, customer traffic destined for data centers DAL01, SEA01, and WDC01 will be rerouted either over the public Internet or through other paths for private network connectivity. Our Engineers expect minimal impact to customers as traffic will be shifted prior to the event but some routing anomalies are expected during this process as routes re-converge.

Once completed and circuits verified, service will return to normal.

Again, Our Engineers expect minimal impact to customer services once traffic has been shifted during this maintenance window.

Sincerely,

Team WHI18

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