The Next Big Thing: Named-Data Networking

Jay Ashworth jra at
Fri Sep 5 19:23:45 UTC 2014

----- Original Message -----
> From: "Sander Steffann" <sander at>

> > How many Youtube subject tags will fit in *your* routers' TCAM?
> >
> >
> >
> > [ Can someone convince me this isn't the biggest troll in the
> > history
> > of the internet? Cause it sounds like shoehorning DNS /and Google/
> > into
> > IP in place of, y'know, IP addresses. ]
> Well, you don't need addresses for clients, just for content... From
> the architecture page at
> "Note that neither Interest nor Data packets carry any host or
> interface addresses (such as IP addresses); Interest packets are
> routed towards data producers based on the names carried in the
> Interest packets, and Data packets are returned based on the state
> information set up by the Interests at each router hop."
> So it's basically suggesting a NAT-like table in every single router.
> And we all know how well NAT boxes scale...

Well, as I suggested, I didn't think it was nearly that easy to do. 

It sounds to me like they want to put *Google* in every router.

Cause no one who posits this stuff has, apparently, ever had to do network

You put too much distributed state in the network and it comes apart. We're
nearly there now with IPv4.

-- jra
Jay R. Ashworth                  Baylink                       jra at
Designer                     The Things I Think                       RFC 2100
Ashworth & Associates          2000 Land Rover DII
St Petersburg FL USA      BCP38: Ask For It By Name!           +1 727 647 1274

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