depending on the carrier, docsis could be implemented...I have not tcpdumped
my current connection (through att) but I believe att does filter.
a quick search on google yielded some docsis info but I didn't see whether
or not it was done at the modem or the switch. I'm guessing the latter. I
would hate to think I could go out and by any modem I wanted to and change
the way att does business... :)
-Patrick
>>> "sam sneed" 03/18/02 02:56PM >>>
I just changed services from DSL to cable modem. I have heard from people,
including verizon, that cable is not as secure as DSL becuase it is over a
shared medium. I connected to my cable modem and fired up my packet sniffer.
I did not see anyone elses traffic on the line so i am assuming the bandwith
is shared( a known fact about cable access) but is somehow filtered at the
cable modem(bridge). Does anyone know if this assumption is true and the
inside details of the how data is transmitted over the cable network? A link
to a whitepaer would be great.
thanks
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