You may also want to checkout a tool called SMC Applicability Tool (SMCAT) which may help you in determining the value of SMC-D (or SMC-R)
http://www-01.ibm.com/software/network/commserver/SMCR/ Roger ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN