OpenID started its life as an attempt at a federated login standard.
From vague memory, the other stuff in OpenID Connect was layered over the original OpenID identity verification part.
OpenID started its life as an attempt at a federated login standard.
From vague memory, the other stuff in OpenID Connect was layered over the original OpenID identity verification part.
OpenID Connect is OAuth2 extended to cover a similar feature set as OpenID.