Local area networks (LAN) through mobile technologies
I've been contemplating why a fully mobile based (laptops and smart phones) local area network doesn't exist. Something like this used to be called personal area networks in the 90's where you'd have your home router and all your networked computers share your printers or files. There's still functionality like that in home networks today, but why no expanded functionality, like chatting/messaging? How is this different from a LAN (gaming) party? If what I wanted to do was exchange files or chat with someone who is right next to me in a classroom, why do I have to go through an external router (wifi or cell network) and the greater Internet infrastructure? Why can't I create a mini localized internet between linked smartphones and laptops in a local area? All a router does is route data packets to where they need to go. Why can't a phone do this if there's no need to use the greater Internet's infrastructure and there's a much smaller set of device addresses, like in this hypothetical mini local network? We know that phones can tether for data connections and pair via Bluetooth.
lanmobile technologymesh networkingdecentralized networksad hoc networkssmart phone ad hoc networksspans
created on 4/10/17 @ 06:10PM, updated on 4/10/17 @ 08:32PM
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Contrail: Enabling Decentralized Social Networks on Smartphones
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by Hui Xia, Zhiping Jia, Xin Li, Lei Ju, Edwin Hsing-Mean Sha
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Evaluating the Impact of Data Transfer Time in Contact-Based Messaging Applications
IEEE Communications Letters
by Enrique Hernández-Orallo, Jorge Herrera-Tapia, Juan-Carlos Cano, Carlos T. Calafate, Pietro Manzoni
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Security in mobile ad hoc networks: challenges and solutions
IEEE Wireless Communications
by Hao Yang, Haiyun Luo, Fan Ye, Songwu Lu, Lixia Zhang
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Comments
The firechat messaging app appears to be in this space as well: https://en.wikipedia.org/wiki/FireChat https://www.wired.com/2014/03/apple-multipeer-connectivity/ https://www.theguardian.com/technology/2014/jun/24/firechat-updates-as-40000-iraqis-download-mesh-chat-app-to-get-online-in-censored-baghdad https://www.nytimes.com/2014/10/06/technology/hong-kong-protests-propel-a-phone-to-phone-app-.html
Here are some wikipedia links to some ad hoc network articles that could be useful: https://en.wikipedia.org/wiki/Mobile_ad_hoc_network https://en.wikipedia.org/wiki/Smart_phone_ad_hoc_network
A friend started a company called LDLN that looks at this type of technology for crisis management and disaster relief http://ldln.co/