On Tuesday, January 15, 2013 05:58:12 PM Nick Hilliard wrote: > I don't get why people shouldn't be able to ping each > other / etc. Isn't this traffic functionally equivalent > to any other Internet traffic? What's different about > it?
GPON implementations standardize this already, i.e., users are unable to directly communicate with one another via Layer 2. They can communicate with one another via the upstream Layer 3 aggregation device (which becomes IP communications rather than Layer 2 communications), at which point operators can institute various security mechanisms to protect both their customers and their network. If you're interested, TR-156 from the Broadband Forum speaks to some pretty cool security features required in GPON implementations that the Ethernet switching world could learn from for these kinds of deployment scenarios. Mark.
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