The Open Group Library

Preliminary Standards

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  1. The Open Group Commercial Aviation Reference Architecture

    This Preliminary Standard describes a reference architecture that can be used to provide a common taxonomy and basis for Enterprise Architecture for the commercial aviation industry. Note: This document is freely available to members and non-members of The Open Group. In order to download publications from the Library, you need an account for The Open Group website. If you are a first-time user register for an account here.

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  2. Open Business Architecture (O-BA) – Part II

    This is Part II of the Open Business Architecture (O-BA) Standard, a standard of The Open Group.
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  3. Open Business Architecture (O-BA) – Part I

    The Open Business Architecture (O-BA) Preliminary Standard Part I, a standard of The Open Group, is focused on transformations to the enterprise or organization.
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  4. X/Open Single Sign-On Service (XSSO) - Pluggable Authentication

    XSSO-PAM provides a standard interface between applications and sign-on systems so that whatever the underlying technology of the application's authentication technology, they will plug-and-play with a 'coordinating primary' single sign-on system.
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