On Fri, 29 Dec 2000, Brandon wrote:

> 
> Somebody:
> > > For a cluster, the same number of addresses will go out, but there's
> > > no indication that the gateway is actually a gateway. Yes, it's out
> > > there, and probly in higher proportion than if it wasn't a gateway,
> > > but it's still not totally obvious that the clustered nodes even
> > > exist.
> 
> Scott:
> > This is also true.  However, the capturing of a shield node would not
> > expose the nodes its shielding, since it doesnt keep a list of its
> > shieldees, its just protects them on-the-fly.
> 
> It would have to keep a list if it is going to send along messages meant
> for nodes it is shielding. Unless they're transient.
No it doesn't.  The shield node has a public/private keypair.  Nodes using
the shield encrypt their address using the shield's public key, and attach
the ciphertext to their reference.  The shield only needs to decrypt that
field with its private key and send the message to the address it
recovers.  It doesn't need to keep any list at all.

        Scott



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