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This document describes the main steps in moving from an SMS system to a suite managed by an ecFlow server.

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• smssubmit, smskill, smsstatus: have to decide if the same script can be used, if the name has to be changed or if we take this opportunity to modify their behaviour.
• child command calls (smsinit, smscomplete, smsabort ...) can be intercepted by changing the PATH variable in order to use the same shell scripts that can call an SMS child command if SMS_PROG is part of the environment or an ecFlow child command when ECF_PORT is defined and not null.
• When the link between a job and its parent server cannot be established, the file $HOME/.smshostfile is used by child commands to identify potential backup servers to contact (network zombie). It has to be decided if the ecFlow servers deployment needs to match exactly what was chosen for SMS.