"The OSG Consortium builds and operates the OSG. The Consortium was formed in 2004 to bring resources and researchers from universities and national laboratories together to give scientists from many fields access to shared resources worldwide." (Source) Interoperation with WLCG will allow scientists access to the OSG shared resources, helping to fulfill one of OSG's goals.
There are four broadly defined groups or types of interoperability that OSG and WLCG depend on for smooth interoperation. These are Information Services, Accounting Services, Monitoring (SAM), and Security.
Who installs and runs it? The GOC runs it, and is currently configured to send reports to osg-wlcg-reports@OPENSCIENCEGRID.ORG every Thursday. Soichi Hayashi been doing the administrative task of installing / updating / configuring this RPM on reports.grid.iu.edu.
Who supports the code to generate this report? Karthik, and then Ashu Guru previously did maintenance for this software. Carl Edquist will be taking over ownership of this software and it's packaging. It's new home will be in VDT software repo.
What is the process for adding an OSG VO (Not CMS / ATLAS / ALICE) to the accepted VO list for the WLCG?
WN client software
Information Services Schema (GLUE) * Installed Capacity Document