List and briefly define IEEE 802.11 services.

What are the core services provided by IEEE 802.11?
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"Association: Establishes an initial association between a station and an AP. Authentication: Used to establish the identity of stations to each other. Deauthentication: This service is invoked whenever an existing authentication is to be terminated. Disassociation: A notification from either a station or an AP that an existing association is terminated. A station should give this notification before leaving an ESS or shutting down. Distribution: used by stations to exchange MAC frames when the frame must traverse the DS to get from a station in one BSS to a station in another BSS. Integration: enables transfer of data between a station on an IEEE 802.11 LAN and a station on an integrated IEEE 802.x LAN. MSDU delivery: delivery of MAC service data units. Privacy: Used to prevent the contents of messages from being read by other than the intended recipient. Reassocation: Enables an established association to be transferred from one AP to another, allowing a mobile station to move from one BSS to another."
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Submission Program Services Submitting organization providers, because defined by 802.12, offer performance around any submitting system. Gain access to factors offer syndication process providers. The subsequent portions provide an introduction to the support in which dispersion programs should offer suitable exchange involving MSDUs."
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