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Federated vs Delegated by Mind Map: Federated vs Delegated
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Federated vs Delegated

possibilities limited only by imagination, politics

Facebook

Facebook

Centralised

One persona: your civil identity since Facebook requires real name

Compartmentalisation under that one identity is possible, but Facebook keeps oversight over all of the different contexts you use your account for

brand power

OpenID: only authentication, no trust. Trust depends on online reputation of url that is claimed.

off-site activities published to the huge Facebook ecosystem via Newsfeed

Facebook: proprietary

marketing power

decisive

limited only by developer imagination

user choice / transferable

Open ID

slowly becoming more viable (via Google Social Graph API, OAuth, Portable Contacts, example)

security conscious but so new it's unclear how phishable eg.

option for stronger authentication

OpenID

OpenID

Inconsistent, but improving (see Google LSO and JanRain RPX)

could be applicable to more people as it does offer more sources of identity

usability

Facebook

familiarity

trust

ease of use

access to data

Facebook

already richly populated for many people

limited to what FB chooses to expose

single persona

tends towards private

arguably secure

password only protection (no strong auth)

ownership of technology

OpenID: open source & federated

consensus

broader pool of innovators

Unified conversations on social web (i.e. not Facebook only, Google only, etc.)

existing user base

Facebook

huge and self aware

OpenID

larger, potentially, though currently unaware and disinterested

other

website deployment support

Facebook

Easy for Facebook

Requires ongoing support for multiple proprietary vendors if desired

OpenID

Easy, consistent support for all open standard ID and data providers

aesthetics

Trust and privacy

OpenID

Decentralised

Multiple OpenID accounts for multiple, non-linkable personas