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DCx = Denver
DA1 = Dallas Fort Worth (LT)
BOx = Boston
LAx = Los Angeles
SCx = Santa Clara
NJx = New Jersey
CHx= Chicago
STL= St. Louis
LOx= London

Dear Savvis Customer,

In order to serve you better, Savvis is listing all upgrades and changes
to the Savvis network for our IDCs nationwide. Maintenance in other
Savvis Data Centers does not necessarily mean that your IDC facility
will be affected. All pertinent information can be found in the
description for each maintenance action to be performed.

Maintenance Scheduled for the DL1 IDC:
Maintenance Time: 0001- 0500 CST Thu Dec 14
Maintenance Action: Troubleshoot CSR errors
Site Affected: DL1
Savvis Activity Ticket: 48xxxx

In this window, Savvis engineers will be troubleshooting errors
associated with a local Customer Service Router ("CSR"). As this work
is performed, customers may experience service outages, latency, or
other connectivity issues.

This action has been scheduled to occur between 0001 and 0500 CST on Thu
Dec 14.

Maintenance Scheduled for the backbone:
Maintenance Time: 0001- 0500 CST Sat Dec 23
Maintenance Action: Enable new backbone capacity
Site Affected: CH3
Savvis Activity Ticket: 48xxxx

In this window, Savvis engineers will be upgrading the regional backbone
capacity. As this work is performed, customers may experience latency
or other connectivity issues when traffic shifts to the new
infrastructure. This action has been rescheduled to occur between 0001
and 0500 CST on Sat Dec 23.

Maintenance Scheduled for NJ2 IDC:
Maintenance Time: 0001- 0500 EST Sat Dec 16
Maintenance Action: Replace defective hardware on CSR
Site Affected: NJ2
Savvis Activity Ticket: 482xxx

In this window, Savvis engineers will be replacing defective hardware on
a local Customer Service Router ("CSR"). As this work is performed,
customers may experience service outages, latency, or other connectivity
issues.

This action has been scheduled to occur between 0001 and 0500 EST on Sat
Dec 16.

Maintenance Scheduled for LO6 IDC:
Maintenance Time: 0200- 0600 GMT Sat Dec 16
Maintenance Action: Backbone router configuration maintenance
Site Affected: LO6
Savvis Activity Ticket: 482xxx

In this window, Savvis engineers will be performing configuration
maintenance on several local and regional backbone routers. This work
will enable new logical connectivity between facilities that will
increase network redundancy. As this work is performed, customers may
experience latency or other connectivity issues.

This action has been scheduled to occur between 0200 and 0600 GMT on Sat
Dec 16

Maintenance Scheduled for LA1 IDC:
Maintenance Time: 0001- 0500 PST Sat Dec 16
Maintenance Action: Replace defective hardware on core router
Site Affected: LA1
Savvis Activity Ticket: 482xxx

In this window, Savvis engineers will be replacing defective hardware on
a regional backbone router. As this work is performed, customers may
experience latency or other connectivity issues as traffic shifts to and
from redundant connectivity.

This action has been scheduled to occur between 0001 and 0500 PST on Sat
Dec 16.

Maintenance Scheduled for CH3 IDC:
Maintenance Time: 0001- 0500 CST Sat Dec 16
Maintenance Action: Backbone router software upgrade
Site Affected: CH3
Savvis Activity Ticket: 48xxxx

In this window, Savvis engineers will be upgrading the software on a
local Hosting Router ("HR"). As this work is performed, customers may
experience service outages, latency, or other connectivity issues.

This action has been scheduled to occur between 0001 and 0500 CST on Sat
Dec 16.

Maintenance Scheduled for CH3 IDC:
Maintenance Time: 0001- 0500 CST Sat Dec 16
Maintenance Action: Enable new backbone capacity
Site Affected: CH3
Savvis Activity Ticket: 48xxx

In this window, Savvis engineers will be upgrading the regional backbone
capacity. As this work is performed, customers may experience latency
or other connectivity issues when traffic shifts to the new
infrastructure.

This action has been scheduled to occur between 0001 and 0500 CST on Sat
Dec 16.