* Internet-Draft: [http://www.ietf.org/proceedings/55/I-D/draft-ietf-ldapext-ldapv3-vlv-09.txt draft-ietf-ldapext-ldapv3-vlv-09.txt]
* OpenLDAP Overlay: [http://www.openldap.org/software/man.cgi?query=slapo-sssvlv&apropos=0&sektion=0&manpath=OpenLDAP+2.4-Release&format=html slapo-sssvlv] - Server Side Sorting and Virtual List View overlay to slapd.
How to set a LDAP control: http://search.cpan.org/~marschap/perl-ldap-0.58/
We'll define how to create the hash used as the ETag.