Hello John,
I have reviewed the NSI DDS draft and added some edits and comments.  The latest version (0.4) is uploaded here: 
https://redmine.ogf.org/dmsf_files/13423
Could you please take a look and review the comments and make updates as needed?
Once this is done we can send to public comment.
Guy
Guy Roberts PhD
Senior Transport Network Architect
Tel: +44 (0)1223 371316 
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Skype: guy1965
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