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Signal Handoff Could Mean Roaming VoIP over WiFi

Posted by timothy on from the run-your-own-cloud dept.

wassup writes "According to this article in MIT tech review (and here), researchers at University of California San Diego have developed a technology called SyncScan that will reduce handoff delay in WiFi networks to a few milliseconds. VoIP roaming will be here soon!"

4 of 91 comments (clear)

  1. just wait... by jleq · · Score: 5, Insightful

    ... until the wireless providers find out. We will finally break the speed of light when all of their lawyers run crying to the FCC and FTC. "OmG, unfair competition!" This, combined with municipal wi-fi, could lead to a much less expensive wireless future for us all. Yay!

  2. What about TCP/IP handoff? by hgilde · · Score: 5, Informative

    Last I checked, VOIP uses TCP sockets. When you move between WiFi base stations, you first must discover your new DHCP server, then get a new local IP address, then reconnect to the VOIP server.

    This will definitely be an annoying delay.

    1. Re:What about TCP/IP handoff? by c_g_hills · · Score: 5, Informative

      This is why IPv6 is a much better network (layer 3) protocol for VoIP as it supports mobility natively, allowing TCP and UDP sessions to be maintained when roamning from one network to the next.

      In fact, the Internet Society point out that IPv6 is necessary for mobile and wireless internet.

  3. Don't worry... by wingsofchai · · Score: 5, Funny

    I'm sure the FCC will step in and protect us from this innovative and helpful new technology with plenty of arbitrary regulations that make little or no sense...

    --
    Reading at high threshold levels is group-think.