Re: DOCSIS 3.0 and Multicast

[Phil Karn <karn () philkarn net>]

On 11/29/2013 01:11 PM, Jay Ashworth wrote:
> ----- Original Message -----
> > From: "Phil Karn" <karn () philkarn net>
>
> > I've been trying to think of ways to thwart large scale traffic
> > analysis, and in a unicast network it's really not easy without a lot
> > of extra traffic (think TOR).
>
> Well, in a story in MIT Tech Review this week, it's mentioned that IETF is
> considering baking TOR into the base level of the Internet, so if (like me)
> you think that's a pretty unmanageable, inefficient approach, you might want
> to chime in now...

Well, it's inefficient compared to direct unicasting but I can't think
of a much better way to do it. And if you really want security against
dragnet surveillance, and I think we do, we'll find a way to manage it.

Hey, it's not like fiber bandwidth and CPU cycles are hard to find these
days.