This is a boring, but static web page which shows how an signle SP can configure their own "Discovery Service" without recouse to a Java Container but taking full advantage of the centralised cookie server in the Federation Discovery Service.
This DS points at a test SP in the UK Federation, and uses the Shib/SAML1 protocol. It is a lot harder to configure (a lot like setting up one a "WAYFless URLS". Consider it motivation to upgrade from SAML1 to SAML2...