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(WEP keys can be cracked in between one and fifteen minutes by someone using free software. It instead relies on the outdated WEP (Wired Equivalent Privacy) encryption standard. That means file transfers and communication tend to crawl along at a fraction of the possible speed.Īpple’s version of ad hoc networking-available from the Create Network item in the AirPort menu-doesn’t allow you to use robust security.
With no central coordinating hub, each computer has to listen for broadcasts. In ad hoc mode, computers broadcast the same network name with a flag that indicates it’s a computer-to-computer network. This can make it difficult or impossible to use the mode between computers running different operating systems or even different wireless networking hardware. Ad hoc mode has never been standardized or put through a testing and certification program like infrastructure mode has. But this kind of connection has a host of flaws, starting with poor security options, low speed, and incompatibility.
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(You can turn a computer into a software base station, too, but the OS X 10.2 to 10.6 implementation can’t do much when compared to a hardware base station.)Īd hoc Wi-Fi’s flaws An ad hoc connection would seem to do what Wi-Fi Direct promises. In the current scheme of things, Wi-Fi networks come in two flavors: infrastructure, which relies on one or more base stations connected to the Internet, and ad hoc, where two or more computers join together over short ranges. It’ll be a big improvement over what we have now It’s possible that adapters in a lot of 20 computers and mobile devices will be upgradable, but we don’t know for sure yet. Operating system makers like Microsoft and Apple-though they sit on the board of directors of the trade group responsible-haven’t yet signaled their support or a firm timetable for including the technology in new equipment. The technology will start showing up in hardware and software by mid-2010. The Wi-Fi Alliance announced Wi-Fi Direct in October.
It lets any wireless device maintain a connection to a network base station while also communicating directly with other devices that aren’t on the same network. Why can’t it be easier to print on networks that you don’t have regular access to or transfer files among mobile devices like iPhones? Why is it such a pain to create secure, robust networks with colleagues or friends on the fly using 3G mobile broadband as the Internet connection? A new wireless networking system, Wi-Fi Direct, will soon help Mac users do all that and more. It’s that time of year when travelers brace themselves to suffer the many small indignities of the road.
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