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I forgot to mention, I'd go with the TCP method.  And use the lock method
previously described to handle any problems caused broken connections or
standby mode issues. But TCP seems easiest, to me atleast.


Tom
 |  -----Original Message-----
 |  From: Andy Holmer [mailto:aholmer@xxxxxxxxxx]
 |  Sent: Friday, September 19, 2003 12:58
 |  To: rpg400-l@xxxxxxxxxxxx
 |  Subject: Calling for socket type opinions...
 |  
 |  
 |  At the risk of starting an uproar - I have a socket opinion 
 |  question.
 |  
 |   
 |  
 |  I am writing an application for a barcode handheld that 
 |  will communicate
 |  back to a 400 running a socket server program.  The 
 |  handheld will be RF
 |  and there may be a couple hundred talking to an RPG socket server
 |  program at any one time.  I will be writing the server 
 |  first, as soon as
 |  the protocol is decided.
 |  
 |   
 |  
 |  The question is:  Would it be better to use the TCP 
 |  protocol and have a
 |  socket listen() and create more descriptors, or would UDP be more
 |  appropriate?  My TCP hang up is that the connections may be 
 |  broken by
 |  walking into an area of no RF coverage or the handheld going into
 |  standby mode.  My UDP hang up is, well, it's UDP.
 |  
 |   
 |  
 |  Your thoughts?
 |  
 |                                      
 |  
 |  Andy Holmer
 |  
 |  1095 Nimitzview Drive
 |  
 |  Suite 403
 |  
 |  Cincinnati, OH 45230
 |  
 |  (513) 232-9100
 |  
 |  f-(513) 232-9249
 |  
 |   
 |  
 |  
 |  _______________________________________________
 |  This is the RPG programming on the AS400 / iSeries 
 |  (RPG400-L) mailing list
 |  To post a message email: RPG400-L@xxxxxxxxxxxx
 |  To subscribe, unsubscribe, or change list options,
 |  visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
 |  or email: RPG400-L-request@xxxxxxxxxxxx
 |  Before posting, please take a moment to review the archives
 |  at http://archive.midrange.com/rpg400-l.
 |  

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