Leased Line Dialin

[John Luebben <jluebben@xxxxxxxxxxxxxxxx>]

I have a client who has presented me with the following scenario:

An external source is upgrading their software from DOS base Win95(8).

They are requiring an AT&T leased line using frame relay be connected to the 
AS400 (V4R2).
They are also asking that my client provide the FRAD / DSU to link up the line 
with the box as well as 
have him provide some type of Win sockets.  I am assuming a TCP/IP / FTP 
process, but since I was not involved in the talks, I can't be sure.

Not being up to speed on TCP/IP, sockets, or the connectivity involved, how 
should I advise my client to proceed - up to and including finding resources to 
point him to.

Is a firewall required?

I'm such a novice in this area, that even letting me know what questions need 
to be asked will be of great assistance, even a description of the 
resources(both consulting and literature) I should be looking for.

Thanks for any assistance.

John L.  

 
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