I do not claim to have followed all the explanations, but it I think they did a bang up job again on youtube. Would appear that for justice PDSG is promoting a CDX enterprise server, which may or may not be HP brand. See OpenCDX - Enterprise Editions.mp4 video.
<Extending the Registry, PDSG also provides a number of cloud-based tools and services in both SaaS (Software as a Service)and IaaS (Infrastructure as a Service) delivery models through the OpenCDX community>
http://www.youtube.com/opencdxcommunity
Opty