Thread: 100M Virgins Infrastructure
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Old 23-09-2012, 19:33   #7
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Re: Virgins Infrastructure
Quote:
Originally Posted by horseman View Post
Somewhat ambiguous/misleading or even incorrect I'm afraid.
Because being a "time based" slotted algorithm DOCSIS standard imposes an overall maximum "delay" limit of 0.8ms between CableModem and CMTS. As the velocity profiles/progation delays vary between Fibre and Coax and also the ratio between these may be different in the actual deployed HFC network then this for practical purposes limits the length to typically no more than 100 miles.
Completely misleading or even incorrect I'm afraid.

The OP is asking about the bit beyond the CMTS. For modern data services it is routed via an IP network. It has nothing to do with DOCSIS or coax. There is no DOCSIS or coax involved.
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