[BBC-Micro] Master Ethernet upgrade

[Phil Blundell]

On Fri, 2009-07-10 at 09:59 +0100, Mark Usher wrote:
> > > I wanted to carefully avoid an external Econet to Ethernet bridge as
> > I know
> > > that's something Phil/Mark are working on. This kit is something
> > different
> > > and I hope non overlapping
> > 
> > Everyone keeps on referring to the Econect-Ethernet device as a bridge
> > but technically it not, it would be called a router as it will have to
> > operate at layer 3? Especially if there IP protocols involved and some
> > form of IOS and a mangement system will have to be writen and
> > appropiate access either via console or a webinterface.
> 
> Technically its bits of allsorts, as there are a couple of scenarios we are trying to cover.
> 
> 1. Bridge Mode. Translation to a flat network as per AUN/!Gateway. i.e. a whole Class C subnet maps to an Econet network x - although this will be configurable to a subnet unlike the AUN which was fixed to 1.2.x.y
> 
> 2. NAT Mode - the ability to map single IP addresses into an Econet net.station, possibly combined with (1) overriding some of the mapped addresses.
> 
> 1 & 2 also translate from the 4 way handshake to AUN 2 way.
> 
> 3. Econet over IP.

4. IP over Econet :-)

p.