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OpenLDAP Five years in the making…

Explore the five-year journey of OpenLDAP, initiated by Kurt D. Zeilenga, from its pre-history at the University of Michigan to becoming a cornerstone of open-source directory solutions. Starting with LDAP origins in the early '90s, the project evolved through key milestones including the founding of OpenLDAP in 1998, the release of major versions, and community building efforts. OpenLDAP aims to deliver a commercial-grade, fully-featured LDAP suite while fostering an open community. Discover its impact on the directory service landscape, flexibility, reliability, and scalability.

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OpenLDAP Five years in the making…

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  1. OpenLDAPFive years in the making… Kurt D. Zeilenga kurt@openldap.org

  2. Pre-history • University of Michigan LDAP • DOB ~1991 w/ DIXIE & DAS • LDAP (1992) • U-Mich LDAP 3.3 (April 1996) • DOD 1996 • Critical Angle LDAPworld patches

  3. Early History • The birth of Net Boolean (Feb. 1998, incorp. June 1997) • Business plan: host e-mail services for businesses • POP/IMAP boxes • Auto-responders • Mailing lists • Corporate address books • Commercial solutions too expensive • Use open source software • Apache, FreeBSD, Sendmail, majordomo, and U-Mich LDAP • Boolean LDAP (July 1998) • U-Mich 3.3 + critical angle patches + misc. patches + bug fixes

  4. Early Questions • Are we (net boolean) a software company, a service company, or a email services provider? • Do we want to become a directory vendor? • Can we meet our directory needs by ourselves? • How do build a community to meet our directory needs?

  5. OpenLDAP Founded • Net Boolean Incorporated sponsors the OpenLDAP Foundation and Project in August 1998 • “to provide open source LDAP software and information” • OpenLDAP 1.0 released August 1998 • Artistic License

  6. Initial Project Goal • Provide “a commercial-grade, fully featured LDAP suite” • Provide a reasonably capable LDAP suite to meet OUR needs OUR == the developers • “open community hence open source”

  7. Initial non-goals • Compete with directory vendors • LDAPv3 • Altruism

  8. Events • DirConnect3 (Nov 1998) • Net Boolean “messaging” business plan fails, shifts to consultancy (Dec 1998) • OpenLDAP 1.1 (Dec 1998) • OpenLDAP 1.2 (Feb 1999) • OpenLDAP 2.0 alpha (July 1999) • ISC Sponsors OpenLDAP (1999) • Kurt attends first IETF (Nov 1999) • SuSE hires Kurt (Jan 2000) • Howard Chu joins the “core”

  9. Events (con’t) • OpenLDAP 2.0 released (Aug) • LDAPBIS chartered / LDAPEXT shuts down • SuSE lays Kurt off (Mar 2001) • OpenLDAP 2.1 alpha (Feb 2001) • IBM/LTC hires Kurt (May 2001) • OpenLDAP 2.1 (July 2001)

  10. Powered by OpenLDAP • OpenLDAP used in Linux Directory Services • Novell C SDK based on OpenLDAP, contributes Java LDAP • Apple ships OpenDirectory • Symas ships CDS • Numerous ISVs ship OpenLDAP

  11. Did we meet our initial goals? • Yes • Provide a reasonably capable LDAP suite to meet OUR needs • Maybe • Provide “a commercial-grade, fully featured LDAP suite”

  12. Open Community Provide a reasonably capable LDAP suite to meet OUR needs *bilities: Flexibility, Reliability, Scalability Standards Conformance Directory R&D Compete with directory vendors Altruism Current?Goals Non-Goals

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