1. Schema: eduPerson views Michael R Gettes Duke University EuroCAMP, November 2005

2. Whence we came  Phoenix, Arizona Airport, February 2000  Hazelton/Gettes set ground rules for development of eduPerson objectclass with eye towards DoDHE, “Shibboleth to be” and other inter-institutional applications. Low-hanging fruit and controlled vocabularies. Learn why schools will want more instead of flexibility A better definition than the “standard OCs” (like CN) Assist local directory implementations -- not be the answer! DomainComponent Naming (eduPerson, dukeEduPerson)  eduPerson 1.0 released Jan. 2001 First version July 2000 0.6 (or something like that)

3. Where we are now?  Schema (LDAP) for US Higher Education  Low hanging fruit, interoperable data Easy stuff that we can all agree is true  eduPerson + LDAP-Recipe go together Auxiliary OC extending Person, orgPerson, inetOrgPerson  localEduPerson local attributes are a local problem (clear enough?)  eduOrg (and edu* schemas being developed)  usPerson / govPerson? (work just beginning)  http://middleware.internet2.edu

4. Where are we going?  Use the past as a predictor of the future  Not much change in perspective  Current view is serving well  We are considering some new attributes  We are NOT expanding our vocabularies as much as we thought  Continuing struggle: local vs. non-local  Has been difficult getting Int’l involvement This has been improving over the last 18 months  UML for general schema; LDAP is one expression

5. eduPerson 200312  eduPerson OrgDN, OrgUnitDN, NickName, PrincipalName*, PrimaryAffiliation*, Affiliation* Entitlement*, ScopedAffiliation*,  eduPerson{Primary}Affiliation Values: faculty, student, staff, alumni, employee, member, affiliate Considering: parent, prospect

6. eduPersonPrincipalName  What is a Principal? (think security)  This is NOT a Kerberos Principal  And it is not a Mail Address gettes@duke.edu, pbh@mit.edu  An inter-institutional identifier  SINGLE-VALUE definition  Used by Shibboleth -- this was the intent from the beginning  But, used in ACLs by other tools as well

7. eduPersonScopedAffiliation  Driven by Shibboleth needs  Syntax like eduPersonPrincipalName student@brown.edu alumni@duke.edu subscriber@nytimes.com (!?!)  Raises problems about who is authorized to assert what An “inter-realm metadirectory function” A field full of ratholes and land mines…

8. eduPersonEntitlement  Original problem: how to change schema without changing schema. Needed by GRIDs  Values are URIs (URL or URN)  urn:mace: accepted by IETF and registered with IANA  Gives us a way to make values unique in the entitlement namespace without elaborate registry mechanism urn:mace:wisc.edu:bucky-bundle urn:mace:oclc:org:autho:NNNN urn:mace:duke.edu:library:oclc:contract-NNN  namespace registry by MACE

9. eduPersonTargetedID  Not likely to be found in Directories  Form: id (no context, a problem??)  Persistent, non-reassigned, privacy preserving. At some definition of persistent.  Further discussion in the shibboleth and federation talks at EuroCAMP.

10. eduOrg 200210  Higher Ed Organization object class Basic organizational info attributes from X.520 –Telecomm, postal, locale eduOrgHomePageURI eduOrgIdentityAuthNPolicyURI eduOrgLegalName eduOrgSuperiorURI eduOrgWhitePagesURI

11. LDAP Analyzer (part of NMI)  Todd Piket, Michigan Tech  Web based tool to empirically analyze a directory  eduPerson compliance  Indexing and naming  LDAP-Recipe guidance (good practice)  H.350 compliance  eduOrg compliance http://middleware.internet2.edu/dir/

12. Other related work  eduCourse (200506) eduCourse Data Model (200505) Globally unique identifiers for course offerings (200505) LDAP representations of eduCourse attributes and an auxiliary object class (200505)  H.350 Effort associated with Internet2 Vid-Mid working group. VidMid + MACE-Dir co-developed. Pushed through ITU by Tyler Johnson, UNC

13. LDIF Management  See http://www.educause.edu/eduperson  LDIF used to describe schema and also manage schema. Provides history and technical details in one place.  File File

14.  Questions???