The Long-Term Future of the Cryptography Policy Debate

Denis.Russell@ncl.ac.uk Denis.Russell at ncl.ac.uk
Mon, 9 Mar 1998 16:35:49 +0000


At 4:08 pm +0000 9/3/98, Peter Dare wrote:
>...  But it requires a
>single physical path (for example, a continuous optic fibre) between Alice and
>Bob - something that is unlikely to be in place if Alice and Bob have
>never met
>before.  You can't use an Internet analogy.  Store and forward,
>networking, are
>not options.  Quantum states cannot be relayed.
...

Can the path (photons?) be switched using optical switching technology? If
so, we will need not a packet switching, nor a cell switching, not even a
(virtual)-circuit switching network, but either a photon-switching or a
dark-fibre-switching network (if they are different). ...

	Denis.