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Hi Christine, In our experience, typically, if a service provider supports both access control methods, then both can normally co-exist without conflict*. That's really the idea, because usually IP authentication is preferred for "campus" use (seamless) but for remote users a federated access (e.g. "Athens" or Shibboleth - effectively now the same thing) may be either mandatory or required if a subscriber isn't able to use proxying e.g via an EZproxy service. The user's experience will however depend on which link you provide them to login with - because the authentication type will trigger a programmatic behaviour from the target service that corresponds to the authentication type being used. In many cases, a service may have a special URL to detect IP address range, e.g. http://fame2.bvdep.com/ip for the Bureau van Dijk FAME database, whereas the Athens (or federated access URL) will typically be longer and/or more complex. http://fame.bvdep.com/athens.aspx is the Athens URL for FAME as a simple example. However, sometimes IP address range login detection is automatically handled by the main service URL to keep things simpler: e.g. http://www.sciencedirect.com for Elsevier ScienceDirect / SciVerse or http://www.webofknowledge.com for WoK. It's perfectly possible to give a campus user the "Athens" login link and for that to trigger the normal process that you have in place, i.e. "Classic Athens" (individual username / password) or the local Devolved Authentication process / Where Are You From? Login process that requires the user to present their network credentials for your organisation. Because of the different technical processes that have to be triggered, IP and Federated authentication types can therefore normally work independently rather than being mutually exclusive. It comes down to what you want to implement and offer to your users. *NOTE: Confusion can (and does) sometimes arise where IP based login occurs but a user nonetheless also sees an "Athens login" link once their session has been established, which may be redundant unless that service additionally supports personalised access that's managed by the Athens (federated) login. Does this help clarify? Regards Jonathan _________________________________ Jonathan Eaton | Electronic Resources Manager | Library London Business School | Regent's Park | London NW1 4SA | United Kingdom Switchboard +44 (0)20 7000 7000 | Direct line +44 (0)20 7000 7636 | Email [log in to unmask] www.london.edu | London experience. World impact. Don't forget, you can now track and update your IT support calls using our new IT SelfService http://portal.london.edu/?serv=IT+SelfService Please consider the environment before printing this email -----Original Message----- From: An informal open list set up by UKSG - Connecting the Information Community [mailto:[log in to unmask]] On Behalf Of Christine Hayes Sent: 20 April 2012 09:54 To: [log in to unmask] Subject: [lis-e-resources] IP and ATHENS authentication Hi, Can someone clarify this question for me please:- where ATHENS and IP addresses are in place for authentication, which one is overridden? Kind regards Christine A J Hayes Electronic Resources Administrator University of Greenwich Dreadnought Library 30 Park Row London SE10 9LS Phone 020 8331 8251 fax 020 8331 8195 ________________________________ University of Greenwich, a charity and company limited by guarantee, registered in England (reg. no. 986729). Registered office: Old Royal Naval College, Park Row, Greenwich, London SE10 9LS. lis-e-resources is a UKSG list - http://www.uksg.org/serials UKSG groups also available on Facebook and LinkedIn ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System on behalf of the London Business School community. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System on behalf of the London Business School community. For more information please visit http://www.symanteccloud.com ______________________________________________________________________ lis-e-resources is a UKSG list - http://www.uksg.org/serials UKSG groups also available on Facebook and LinkedIn