User Tools

Site Tools


content:tech:serval_mesh

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
content:tech:serval_mesh [07/05/2013 23:25]
Andrew Bettison improve clarity
content:tech:serval_mesh [21/05/2013 00:27] (current)
Andrew Bettison [Why Wi-Fi?]
Line 1: Line 1:
 ====== Serval Mesh (app for Android) ====== ====== Serval Mesh (app for Android) ======
  
-The [[content:servalmesh:|Serval Mesh]] app for Android is Serval's flagship software product.  It is freely available from [[https://play.google.com/store/apps/details?id=org.servalproject&hl=en|Google Play]]. +The [[content:servalmesh:|Serval Mesh]] app for Android is the [[:content:about|Serval Project's]] flagship software product.  It is [[https://en.wikipedia.org/wiki/Free_software|free]] app that 
- +provides [[VoMP|voice calls]], [[MeshMS|text messaging]] and [[Rhizome|file sharing]] directly over Wi-Fi links between mobile devices The app communicates with distant devices via intermediate devices using [[mesh routing]], and uses strong [[crypto|elliptic curve encryption]] to guarantee privacy and identity even though some phones in the mesh network may not be trusted.
-For more information:+
  
   * [[:content:servalmesh:|Serval Mesh]] -- current, past and forthcoming releases, download and installation, and user documentation   * [[:content:servalmesh:|Serval Mesh]] -- current, past and forthcoming releases, download and installation, and user documentation
   * [[:content:servalmesh:development|Serval Mesh development]] -- copyright and licensing, source code, technical documentation, testing, and issue tracking   * [[:content:servalmesh:development|Serval Mesh development]] -- copyright and licensing, source code, technical documentation, testing, and issue tracking
 +
 +==== Why Wi-Fi? ====
 +
 +[[:content:about]] made the obvious choice of [[http://en.wikipedia.org/wiki/Wi-Fi|Wi-Fi]] for wireless communication in disaster situations because:
 +    * it has widespread regulatory availability -- most countries have allocated the Wi-Fi frequency bands for short-range domestic use
 +    * the Wi-Fi [[http://en.wikipedia.org/wiki/802.11|IEEE 802.11]] standards are mature and broadly adopted
 +    * Wi-Fi is supported by very many existing devices, including mobile [[http://en.wikipedia.org/wiki/Smart_phone|smartphones]]
 +    * the Wi-Fi **Ad Hoc** mode is well suited to mesh networking, although it is not perfect and is poorly implemented by many manufacturers
 +
 +==== Why Android? ====
 +
 +[[:content:about]] chose Android as the mobile platform for developing [[:content:servalmesh:|Serval Mesh]] for the following reasons:
 +
 +  * [[http://en.wikipedia.org/wiki/Feature_phone|feature phones]] generally do not support Wi-Fi, or do not support Wi-Fi Ad Hoc mode
 +  * the [[http://en.wikipedia.org/wiki/IPhone|Apple iPhone]] is priced far too high to be afforded by the majority of the world's citizens
 +  * the operating systems and development environments for feature phones and the iPhone are [[http://en.wikipedia.org/wiki/Proprietary_software|proprietary]] and therefore:
 +    * are expensive, or
 +    * have restrictive license terms, or
 +    * are inaccessible to the general [[http://en.wikipedia.org/wiki/Free_and_open-source_software|free and open-source software community]], or
 +    * all of the above.
 +  * Android permits the Ad Hoc Wi-Fi mode to be enabled (although most commercial handsets must be “rooted” in order to do so)
 +  * Android's terms and conditions on developers place fewer obstacles to the kind of freedom-oriented development that [[:content:about]] is pursuing
 +  * many manufacturers are making and selling Android smart-phones, so there is a wide choice of hardware
 +  * there are free Android distributions like [[http://www.cyanogenmod.org/|CyanogenMod]] which offer alternatives to the locked-down firmware supplied by many manufacturers
 +  * the price of Android smart-phones is continually dropping, making them more ane more accessible to remote and disadvantaged communities
 +
content/tech/serval_mesh.1367994358.txt.gz · Last modified: 07/05/2013 23:25 (external edit)