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802.11e - WMM Questions

1 posts by 1 authors in: Forums > Wi-Fi Alliance Certifications & the 802.11 Standard
Last Post: January 28, 2009:
  • By Jack

    Hi,
    I read many documents about QoS in WLAN but I don't understand few things. Maybe you'll help me :)

    1. What's the difference between TC and TS?
    TC is handling all types of traffic - Video, VoIP, BE...
    So what is TS? Traffic in the same physical network?
    2. What/who defines parameters in TSPEC?
    3. About ToS marking.
    ToS is marked in 3 layer (network), then (if my definition of TS is correct) in 2 layer ToS value will be changed if destination is in the same physical network right?

    Thanks for any help :)
    Jack

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