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Date:      Fri, 26 Sep 2003 03:04:57 -0700 (PDT)
From:      low bee leng <lowbeeleng@yahoo.com>
To:        freebsd-isp@freebsd.org
Subject:   ATM requirement information
Message-ID:  <20030926100457.38535.qmail@web10010.mail.yahoo.com>

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What kind of software and hardware technology needed to implement the below ATM system.

The below is the requirement information for development a ATM machine

 

120 inquires entered at each branch in the busiest hour

120 replies received at each branch in the busiest hour

 

Resources: Operating environment

 

23 characters in each inquiry

65 characters in each reply

100 msec for the computer center to process a inquiry

 

2 modem turnaround required per inquiry

10-msec modem turnaround time (inbound)

0-msec modem turnaround (outbound)

8 characters per poll

8 bits per character

8 overhead characters per message

 

lines

line speed in 56 kbps

lines are full-duplex

line error rate is 1 bit per 100,000

 

design goals

95% transaction to be handled within 2 sec, response time

 



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