Establishing suggested practices regarding Single sign on Update. Heather Ruland Staines Charleston, November 2011. ESPReSSO Timeline.
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In 2009, NISO launched a new Chair's Initiative—a project of the chair of NISO’s Board of Directors, focusing on perfecting a seamless, item-level linking through single sign-on authentication technologies in a networked information environment.
Fall 2009: Working Group meetings begin.
2010: Sub-groups meet. Feedback collected from publishers.
May 24, 2011: Draft posted for 30 day public comment.
Summer 2011: Working group addressed comments.
October 27, 2011: Publication of Suggested Practice
Authentication has become complex for several reasons:
Users now have more options as to how and where to enter a publisher’s site. This makes a consistent, coherent user experience more difficult.
Users may experience multiple authentication mechanisms. The user’s physical location could affect the browser flows and authentication mechanisms they see. Within the publisher site, the user might navigate from a public page to a protected page, triggering authentication.
Publishers must present and support multiple authentication mechanisms, necessitating a usable authentication GUI interface that combines multiple methods and that can be used successfully by people with a low familiarity with technical concepts.
Campuses have deployed various approaches to authentication, some requiring users to be able to use, handle, and manipulate proxy-prefixed URLs that are incomprehensible to the average person.
SPs continue to support multiple authentication options during this time of transition.
SPs and LOs move quickly to reduce reliance on IP-based access control. There are many security issues with this approach and it is no longer adequate in today’s rapidly ubiquitous computing environment.
SPs and LOs move quickly to deprecate userids/passwords validated at the service provider site.
SPs and LOs move quickly to implement and use standards-based federated authentication.