[TowardEX NOTIFY-ALL] Scheduled Network Maintenance Notification 1/25/2008

[cmc at towardex.com]

Greetings,

Maintenance operation scheduled below was completed successfully today. If you are experiencing any problems please contact us.
Also, please be advised that as a result of today's maintenance, our BGP routing policies have been modified. Customers engaging in BGP routing with us can find our latest updated bgp communities list at http://www.twdx.net/Routing_policy.pdf

Thank you,
Change Management
TowardEX Technologies, Inc.
Helpdesk: (617) 459-4051 option 2
Email: cmc at towardex.com



On Fri, Jan 18, 2008 at 11:58:26PM -0500, Change Control S3D wrote:
> Dear TowardEX Customer,
> 
> TowardEX has scheduled a maintenance event to replace one of our border routers and 
> cut-over all related backbone circuits through the new MMR connections at 
> 1 Summer Street (Boston, MA) datacenter.  The maintenance window is scheduled to
> commence at 4am EST on Friday 1/25/2008 and conclude by no later than 7am EST.
> 
> Due to built-in redundancy features in our network, customer impact is expected to 
> be minimal, because backup systems will be running during the maintenance.  Customers 
> may experience brief service interruptions or route changes  lasting up to a couple
> minutes or so between 4am and 4:30am.  After 4:30am, no significant impact is expected,
> however the remainder of maintenance event should be considered as a precautionary 
> window until 7am.
> 
> If you are unable to connect or having problems for an extended period of time after the
> maintenance event, please contact 1-617-459-4051 extension 500.
> 
> TowardEX is providing this notification so that you can determine if business
> continuity preparations are necessary. We regret any inconvenience this 
> maintenance activity may cause you or your organization. As usual, we are 
> committed to keeping you informed about the status of maintenance activities
> affecting your service reliability.
> 
> Important Notice to E-mail Recipients: Notice sent as a customer courtesy only 
> and is not a service level agreement or other commitment. Scheduled maintenance 
> events may not give rise to claims for credits. 
> 
> Thank you,
> Change Management
> TowardEX Technologies, Inc.
> Helpdesk: (617) 459-4051 option 2
> Email: cmc at towardex.com
> 
> The maintenance operation is scheduled as follows:
> 
> 03:00 AM: Equipment, facility and system checks. 
> 03:30 AM: Preparation of new single mode fiber backbone connections thru MMR.
> 03:50 AM: Redundant circuits operational capacity check, final system check (go/no go).
> 04:00 AM: Disconnect AboveNet transit.
> 04:00 AM: Disconnect private peers.
> 04:00 AM: Disconnect Boston MXP.
> 04:00 AM: Disconnect IPv6 transit.
> 04:05 AM: Remove existing border router off of backbone routing.
> 04:05 AM: Disconnect all multimode fiber connections between/from 4th floor rooms 
>           heading out to the old room to connect into existing border router.
> 04:05 AM: Connect new single mode fiber connections between/from 4th floor rooms to
>           new router (Cisco Cat6500).
> 04:10 AM: Customer impact check, backup/redundant circuitry operational check.
> 04:15 AM: Introduce new router into backbone routing protocols.
> 04:20 AM: OSPF and IBGP backbone routing check, customer impact check.
> 04:22 AM: MPLS operational capacity check.
> 04:25 AM: Re-connect AboveNet transit.
> 04:25 AM: Re-connect private peers.
> 04:25 AM: Re-connect Boston MXP.
> 04:25 AM: Re-connect IPv6.
> 04:30 AM: BGP routing check. All customer impacting maintenance operations to conclude
>           by this time.
> 05:00 AM: Electrical work in mdf hub cabinets 4A and 10D.
> 05:30 AM: Electrical power redundancy tests; test A/B feed load failure modes for 
>           automatic transfer switches.
> 06:00 AM: Wrap-up.
> 
> _______________________________________________
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