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The Art of Federations. Topics Federations of what… Federated identity versus federations Federations in other sectors – business, gov, ad hoc R&E Federations.

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Presentation on theme: "The Art of Federations. Topics Federations of what… Federated identity versus federations Federations in other sectors – business, gov, ad hoc R&E Federations."— Presentation transcript:

1 The Art of Federations

2 Topics Federations of what… Federated identity versus federations Federations in other sectors – business, gov, ad hoc R&E Federations Peering and confederation International Grid Trust Federation

3 Lots of things can federate Data sets Search engines and catalogues Grid resources Primary identity providers Secondary identity providers

4 Federated identity and federations Federated identity –passing of information from an identity provider (IdP) to a relying party or service provider (SP) for an access control decision Bi-lateral, likely appended to an existing business relation Usually uses SAML Federation – bi-lateral or compound passing of information from several IdP and others to a SP Multi-institutional, broad communities with multiple IdP and SP Needs metadata management, more sophisticated attributes (including scoped), multi-lateral trust management, agreements on standards, more sophisticated AAP and ARP mechanisms, etc. Usually uses Shibboleth or a compatible

5 Federations in other sectors Corporate Internal federations within large, diverse companies Limited use for vertical sector operations Government

6 R&E Federations Rapidly growing sector, with many countries deploying and federation size increasing General scope is higher education, with coverage ranging from complete (e.g. Switzerland, Finland, Norway) to well underway (e.g. Denmark, France, UK, Germany, Australia) to planning Largest and most ambitious is the UK Access Management Federation, scoped to all higher education, K-12 and further education

7 In the US Growing number of state based federations University of Texas, University of California, University of Maryland, Ohiolink, etc. Easy to build on top of existing relationships Ad hoc federations – eg FEMA and Hurricane Katrina InCommon

8 US R&E Federation Members join a 501(c)3 Addresses legal, LOA, shared attributes, business proposition, etc issues Approximately 45 members and growing A low percentage of national Shib use…

9 InCommon Uses Dartmouth, and others, to get to ScienceDirect at Elsevier Penn State, and others, to get to WebAssign, an outsourced testing service University of Washington, and others, to get to CDigex Univ of Chicago, and others, to get to TurnItIn, a plagiarism testing service All members of InCommon, to get to spaces.internet2.edu (Soon, all members to get to the TeraGrid.) (Soon, all members to get to Fastlane and NIH and…

10 Policy components Participant operational practices To help SP decide on amount of trust to have IdM and local administration May or may not be audited Standard Attributes Metadata agreements Contract between institution and federated operator Easy except for limited liability and dispute resolution

11 Peering and Confederation For federations to be fully-scalable Peering - relationship between two autonomous federations Work underway in peering between InCommon and US Federal EAuthentication Federation MOU addresses metadata exchange, liability and dispute resolution, economics, technical mappings as addendum Confederation – a union of federations Addresses discovery, conversion of protocols and a more unified set of services Seemingly a natural structure for Europe eduGain, a Geant project, is working on this

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