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Conference 7.286::fddi

Title:FDDI - The Next Generation
Moderator:NETCAD::STEFANI
Created:Thu Apr 27 1989
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2259
Total number of notes:8590

630.0. "replace ethernet by fddi is transparent ?" by ANNECY::LEHY (Contre les virus, prenez un �VAX I) Wed Jul 01 1992 13:06

Hi,

Please apologize if the question is so naive.

I have an application on a ULTRIX/RISC host that sends and receive BROADCAST 
datagrams using UDP over two ethernet segments. (The application is also running
on other systems all connected to both ethernet segments, the hosts running
the application forms some kind of a "cluster" )

(eg if subnet A is a.b.c, the address a.b.c.255 is used to broadcast a message
to other nodes in/on the corresponding subnet/ethernet segment)


	------------------ subnet A = a.b.c -------------------------
		|					|
            --------			            --------
           | ULTRIX |				   | ULTRIX |
           | RISC   |			           | RISC   |    .....
           |        |			           |        |
            --------			            --------
		|					|
	------------------ subnet B = a.b.d -----------------------

Question: I want to replace one Ethernet by a FDDI. What is the impact on the
software ? I guess no impact at all. Can you confirm ?
By the way, what is the name of the ULTRIX device for the DEC FDDI 
Controller 700 ?


Thanks
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