How many Async connections?

[Fred Larimer]

This is a request for information, sources for information and
even opinions on:
 
   "How many async connections should a UNIX product support?"

We are adding UNIX to an existing multi-tasking, multi-user product. 
The product is aimed at Retail Point of Sale applications. It has 
a proprietary LAN that supports a family of point of sale termianals
and PCs. The UNIX is to provide support for "back office" functions, 
i.e. accounting applications, personell applications, word processing, 
UUCP, spreadsheets, etc. 

I have just begun to gather information to answer this question so
any responses would be welcome. 

Please respond by email. If there is enough interest I will summarize
and post.

Thanks

Fred Larimer