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SUMMARY:Exploiting (Commercial) Hot-Spots for Device-to-Device Communicati
 on - Jörg Ott (Aalto University)
DTSTART:20131115T110000Z
DTEND:20131115T120000Z
UID:TALK47101@talks.cam.ac.uk
CONTACT:Eiko Yoneki
DESCRIPTION:Opportunistic networking between mobile devices relies on the 
 capabilities of those devices to establish ad-hoc communication among each
  other. While the two dominant wireless interface technologies\, IEEE\n802
 .11 wireless LAN and Bluetooth\, offer such capabilities in theory\, limit
 ations of the protocol specification\, chipsets\, and operating systems in
  mobile devices render those features largely unusable in practice. One pr
 oposed remedy has been making some mobile devices act as WLAN access point
 s. We complement this idea by instrumenting commercial WLAN APs that do no
 t employ L2 security to serve as link layer packet relays without requirin
 g the mobile nodes to authenticate with the WLAN hot-spot. We present diff
 erent mechanisms for peer discovery\, evaluate their feasibility for a set
  of commercial hot-spots\, and discuss operational considerations for fair
  use.\n
LOCATION:FW26\, Computer Laboratory\, William Gates Builiding
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