Service Description

Seamless Access (aka thiss.io) is an implementation of the RA21 recommendations for Identity Provider discovery and persistence. The service consists of the following parts:

1. An Identity Provider Persistence Service which allows SPs to launch an authentication request to the the last used IdP associated with a device/browser.
2. An implementation of SAML Identity Provider Discovery which persists choices in the Persitence Service
3. An MDQ implementation covering at least eduGAIN SAML metadata and implementing extensions for metadata search.

Users

The users of the Seamless Access service are:

1. Service Providers integrating the Persistence Service.
2. Service Providers integrating the Discovery Service.
3. End users relying on the service for Discovery and Persistence.

Team

GEANT representative in Seamless Access Governance Committee:  Klaas Wierenga 

GEANT representative in Seamless Access Technical Committee: Christos Kanellopoulos

Service Delivery Model

Add explanation about organisation of service delivery

Service Elements

The service consists of the following main components:

1. Commercial CDNs used to deliver web artifacts (JS, HTML, CSS) to end user browsers.
2. Frontend software https://github.com/TheIdentitySelector/thiss-js, to be implemented by Service Providers. 
3. A backend consisting of an MDQ implementation with search extensions enabled (currently pyff.io).

Technology Infrastructure

Supporting Infrastructure

All software components except the CDN are configured and maintained using cosmos+puppet infrastructure at https://github.com/TheIdentitySelector/thiss-ops. Documentation in the docs directory. Monitoring is done using nagios generated automatically from service configuration. Additional monitoring is done using pingdom. Status.io is used to communicate service status.

Cost Benefit Analysis (CBA)

Not applicable