!!! Overview
[{$pagename}] ([EAP]), is an [authentication] [framework] frequently used in [Wireless Networks] and [Point-to-Point Protocol] [Communication]

[{$pagename}] is defined in [RFC 3748], which made [RFC 2284] obsolete, and is updated by [RFC 5247].

[{$pagename}] is an [Authentication Method] [framework] for providing the transport and usage of [Key Management] and parameters generated by [{$pagename}] methods. There are many [Authentication Methods] defined by various [RFCs] and a number of vendor specific [Authentication Methods] and new proposals exist. 

[{$pagename}] can support multiple [Authentication Methods] without having to pre-negotiate a particular one. [{$pagename}] When implemented within [Point-to-Point Protocol] ([PPP]), does not select a specific [Authentication Method] at the [PPP] Link Control Phase, but rather postpones this until the [Authentication] Phase which allows the [authenticator] to request more information before determining a specific [Authentication Method]. 

[EAP] is not a wire [protocol], it only defines [message] formats. Each [protocol] that uses [EAP] defines a way to encapsulate [EAP] messages within that [protocol]'s [messages].

[{$pagename}] is in wide use. For example, in [IEEE 802.11] ([Wi-Fi]) the [WPA|Wi-Fi Protected Access 2] and [WPA2] standards have adopted [IEEE 802.1X] with one hundred [EAP] Types as the official [Authentication Mechanisms].

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