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Greener wi-fi, coming your way

A new wireless standard is set to introduce power saving features that will “green up” wi-fi networks. That’s according to wireless expert Matthew Gast, principal engineer at Trapeze Networks and chair of the Wi-Fi Alliance wireless network management and security technical taks groups.

Known by the catchy name of 802.11v, the IEEE standard will include:

  • Wireless Network Management Sleep Mode: a further extension to base 802.11 power savings that will allow for longer power-off times for 802.11 radios. It will be used in conjunction with new Traffic Filtering Service to enable access points to deliver only specified frame types.
  • “Wake on WLAN” capabilities that let network managers “wake up” wireless computers and other appliances.
  • Proxy ARP that will let an access point respond to ARP requests enabling stations to power down for longer periods.
  • TIM Broadcast that will distribute traffic indication maps so stations do not need to receive every beacon frame.

The IEEE standards group is set to have a final version of 802.11v ready in 2010.

More in the press release here.

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