http://spaces.internet2.edu/Shibboleth.sso/Metadata
# spaces.internet2.edu.crt
#http://discovery.shibboleth.net/shibboleth.net-metadata.xml
#https://www.dreamspark.com/policies/dreamspark_metadata.xml

# Old OpenSSL at md1/md2
#https://login.terena.org/wayf/module.php/saml/sp/metadata.php/default-sp?output=xml
# Already in eduGAIN via http://mds.edugain.org
#https://ladok3.its.umu.se/swamid-md/terena.org-sp.xml