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BTW 2012 Network Changes – 3 month rolling plan

BTW Planned Engineering Works 90 day overview June 2013 to August 2013 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 2012 Network Changes – 3 month rolling plan

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  1. BTW Planned Engineering Works 90 day overviewJune 2013 to August 2013These 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 2012 Network Changes – 3 month rolling plan • Whilst BTW has continually worked to enhance its network, we are currently undergoing an exceptional level of change driven by four main drivers:- • Stability – to improve the reliability of the network, BTW is targeting certain network elements with hardware and software improvements. • Capacity – the need for additional capacity is driven by an increase in the number of broadband 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 start between 00:01 and 02:00 with the aim of completing customer impacting work by 04:00. This allows 2 hours for roll-back should the PEW be unsuccessful. • Business as usual capacity upgrades and upgrades to resilient structures have not been listed here.

  3. Customer Service / BTID Network Change - Executive Summary New Deployments May – July 2013 40 41 45

  4. Ongoing 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 EEA – EES 7750 Lag Migration - This change provides increased scalability . 24 Software upgrade to support BTR 40G Product requirements 35 BRAS Software upgrade 37 22 HT-BEA- Capacity requirement for bigger switch. 13 slot device replacing 9 slot device 38 Capacity – Software upgrade to replace software which is going out of vendor support.

  5. Ongoing 20C Upgrades Cont’d 49 46 47

  6. Completed 20C Upgrades 1 14 2 36

  7. Completed 21C Upgrades 15 16 3 17 28

  8. Completed 21C Upgrades 16 3 17 28 11

  9. Completed 21C Upgrades 22 26 27 30 23

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

  11. Ethernet Service on 21CN

  12. Descriptions

  13. Management of risk

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