Data Packets
Data packets can be accurate in 802.11, as continued as some anatomy of
encryption is angry on. The backbone of this affidavit is carefully
accompanying to the backbone of the encryption actuality used. WEP provides
actual little affirmation that the packet absolutely originated from addition
on your network. WPA/802.11i provides a abundant stronger guarantee.
Before QoS was introduced, there were
eight altered subtypes for abstracts packets. Almost all of these are due to
the (currently unused) PCF approach of operation. Practically speaking,
abstracts packets on a non-QoS arrangement accept alone two subtypes: Subtype 0
indicates a accustomed abstracts packet, and subtype 4 indicates a absent
action abstracts packet. Absent action abstracts packets are best generally
acclimated back a applicant has no abstracts to transfer, but wants to acquaint
the AP that it is alteration its power-savings mode.
Sections
