from the academic side of the house

Wed Apr 25 13:22:14 UTC 2007

On Tue, 24 Apr 2007 09:24:13 -0700
Jim Shankland <nanog at shankland.org> wrote:

> (2) Getting this kind of throughput seems to depend on a fast
> physical layer, plus some link-layer help (jumbo packets), plus
> careful TCP tuning to deal with the large bandwidth-delay product.
> The IP layer sits between the second and third of those three items.
> Is there something about IPv6 vs. IPv4 that specifically improves
> perfomance on this kind of test?  If so, what is it?

I wonder if the router forward v6 as fast.

		--Steve Bellovin, http://www.cs.columbia.edu/~smb