On Sun, 12 Oct 2008 21:29:28 +0200, "Steve Lusardi"
wrote:

What could be better than NMEA over TCP/IP? This can easily be
accomplished by assigning an IP address to each device.. The gateway then
strips off the TCP header and feeds the the device NMEA 0183. What problem?

I believe that Furuno has been doing something similar to that with
their NavNet equipment for years. Each separate unit gets its own IP
address on the LAN and NMEA data is being shipped around between them.