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BTW Network Changes – 3 month rolling plan

BTW Planned Engineering Works 90 day overview August 2014 to October 2014 These dates are indicative dates only and not to be used for any forecasting purposes as they are all subject to change. Please ensure that you wait for formal notifications from IRAMS.

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BTW Network Changes – 3 month rolling plan

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  1. BTW Planned Engineering Works 90 day overviewAugust 2014 to October 2014These dates are indicative dates only and not to be used for any forecasting purposes as they are all subject to change. Please ensure that you wait for formal notifications from IRAMS. The information contained in this Presentation is confidential information as per your terms and conditions with British Telecommunications plc (BT). Please treat it accordingly and do not forward, republish or permit unauthorized access. BT reserves the right to make changes to the information in this Presentation at any time without further notice.

  2. BTW Network Changes – 3 month rolling plan • BTW continually works to enhance its network, whilst minimising customer disruption. The four main drivers for change are:- • Stability – to improve the reliability of the network. • Capacity – the need for additional capacity is driven by an increase in the number of broadband and ethernet users on the 21C network (through migration from 20C and growth) and also by the ever-increasing bandwidth demands of those users. • Resilience –to improve the resilience of the network , BTW is actively removing single points of failure from the network • New Functionality – to meet the needs of the market BTW needs to enhance its network to deliver the services its customers require. • This presentation outlines the key upgrade programmes, their drivers, customer impact and the number of upgrades per programme per week. • BTW is keen to deliver all the required improvements as quickly as possible whilst actively managing the risk to customers. For this reason a range of run-rates against each programme has been outlined. The actual run-rates achieved will be determined by this ongoing live analysis of risk. • Customer outage times for the PEWs normally start at 02:00 with the aim of completing customer impacting work by 06:00. • Business as usual capacity upgrades and upgrades to resilient structures have not been listed here.

  3. 21C Upgrades SVLAN moves - these moves offload SVLAN’s (bundles of Broadband traffic) from one BRAS to another. This is carried out to alleviate capacity issues mplet 6 Required to support IPv6 and due to current software going end of support 45 Resolves software defect. 50 Replaces all P routers in core of 21c platform. No impact to end user due to resilience in platform 51

  4. Ongoing 20C Upgrades Cont’d 46

  5. Completed 20C Upgrades 1 14 2 36 44

  6. Completed 21C Upgrades 26 30 23 38 22

  7. Broadband Services on 21CN 46 49 2 14 46 29 1 36 44 11 40 35 22 4 20 34 32 39 45 9 27 37 39 6 50 48 45 28 26 47 45 45 23 38 39 31 34 51 11 52

  8. Ethernet Service on 21CN

  9. Descriptions

  10. Management of risk

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