Re: Virgin Media laying fibre in established VM areas?
The VHUB acts as a multiplexer, condensing down up to 3000 subscribers into trunks of 16f back to a headend/hubsite. All CMTS and broadcast equipment is still in the technical sites, the VHUB is just acting like a massive collector node/amplifier.
The star topology you refer to was the ex-Telewest network (point to point PDH generally) while the NTL network is generally built on fibre rings (redundant SDH).
HTH
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Access Network Innovation @ Liberty Global/Virgin Media
All comments are my own opinion and not a direct expression of LG/VM.
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