Date   : Sat, 19 Mar 1983 14:31:00 PST (Saturday)
From   : fisher.eos@parc-maxc.arpa
Subject: Distributed Databases under Multiprocessing CPM? (Update)

I have a problem which involves two PC's communicating over a 
(poor quality) telephone line and maintaining two copies of the same 
database.  While communicating each PC will be involved with 
querying and updating the database.  Entries made in one database 
want to be transmitted to the other PC for automatic update of the 
other database; and vice versa.

My questions:

1) Has anyone heard of any similar applications?  Using CPM?

2) It seemed that a multiprocessing CPM might make the application 
easier to create.  Is there a multiprocessing CPM available?

3) Any standard packages that might help?  I have been considering 
using CPM, extracting the Ward Christensen FTP suff from a 
MODEM-like program, and maintaining the database via MBASIC 
or FORTRAN, perhaps using a product like MDBS.  Any suggestions?

4) The PC is up in the air.  Am looking with a portable with some 
track record including a 5-15Mb hard disk.  Any experiences here 
would be appreciated?

Thanks in advance for your response.

Please respond to: Fisher.eos@PARC-MAXC.ARPA

Pete