[AusNOG] Looks like the NBN will be a PON variant for sure...
nick at inticon.net.au
Wed Apr 29 09:29:20 EST 2009
> HFC networks are often operated as Layer 3 with customers even being
> able to see their neighbours at Layer 2.
> Only if you do it badly. The older stuff was all bridged and really
> poor security wise. All the newer stuff is layer 3 and DOCSIS
> separates people nicely via RF encoding.
> You should really be able to see your neighbours, anyway. Why not use
> LANs like they were meant to??
Because from an ISP operational perspective thats a horrible thought?
You lose the ability to shape / count / monitor traffic, in addition to
the increased support because Joe next door has been browsing someone
else's $c share.
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