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Data & Connectivity Products
CallingPlaces partners with specialist IT solutions providers. For more information and to ensure your enquiry is directed appropriately, please contact our sales consultants on 0208 810 6609 or email sales@callingplaces.com
BT 21CN - What it is and why it is neededWhat is it?
BT21CN is the name given to BT’s next generation network programme, under which it is creating an IP-based national fibre network to enable communication in a range of formats and support the demand for voice and data convergence. BT21CN enables ISPs to provide faster and more stable broadband at ADSL2+ speeds.
Why is it needed?
As telecommunications evolved in the UK, BT deployed a number of disparate and unconnected networks to provide a range of services - from basic telephony to complex Internet connectivity. This approach inevitably left BT with a number of issues when looking to provide the next generation of high speed data connectivity. Its technical experts therefore proposed a radical replacement programme that takes the network to a single unified core.
Under its 21CN strategy, by 2012 BT is replacing traditional concentrators, switching equipment and DSLAMs at exchanges with MSANs (Multi-Service Access Nodes). The 5,500 MSANs terminate all phone and broadband connections and link into over 100 ‘Metro nodes’ where IP packets are routed and switched. The Metro nodes then link to 20 core nodes that are able to handle traffic in multiples of 10Gbps.
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