The schema's, extensions, descriptions etc are stored in the REP domain.
The REP domain is currently maintained by SURF.
in "/REP/standards/" Partial Redirections are made to this standards wiki.
For example:
--> | Partial Redirect | ||
--> | http://www.surffoundation.nl/wiki/display/standards/DAI-extension | Partial Redirect | |
--> | http://www.surffoundation.nl/wiki/download/attachments/3474049/dai-extension.xsd | Hard Redirect |