Is this article contributed by Michael Palmeter or did someone copy from his blog? The content is identical:
Solskinn 11:53, 7 September 2007 (UTC) solskinn
I think both lifted it from http://xxlplan.ovh.net/~devoteam/prod/fr/images/File/Livres_Blancs/2008_WhitePaper_Migrations_to_ngn-ims.pdf . This is easy to tell by just looking at the first few lines, given the absence of formatting and a "Figure 6a." And the original is copyrighted on every page.
Regards,
Daniel