SIP on FTTH systems

Mikael Abrahamsson swmike at
Fri Feb 7 07:11:38 UTC 2014

On Fri, 7 Feb 2014, Jay Ashworth wrote:

> If I am a commercial customer of an eyeball ISP like Road Runner: *I am
> entitled to expect that that ISP is technically capable of protecting
> me from possible attack traffic from that other customer*, who's outside
> my administrative span of control.  If they can send me traffic directly
> across a local access subnet, that requires a much larger hammer than if
> such traffic must cross the edge concentrator first, the configuration
> I assert is a better choice.
> Does that help?

Violent agreement. Customers should not talk L2 directly to each other 
using local switching, but they should be able to send IP packets to each 

Mikael Abrahamsson    email: swmike at

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