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As its resource the AA-DB and ACL-db are used. To manage autherization, APIS can be used, however, for the pilots, it is proposed to use basic authentication (which is provided by the php-voot-provider by default)

TEIP (Transparent External Identity Proxy)

The TEIP service proxies multiple external identity providers to 1 single persistent SAML2 IdP. This allows VOs and federations to use 1 endpoint for all Guest/External Id scenarios, while at the same time allowing the endusers to choose the service they prefer.