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Encyclopedia > Mesh networking
Image showing mesh network layout
Image showing mesh network layout

Mesh networking is a way to route data, voice and instructions between nodes. It allows for continuous connections and reconfiguration around broken or blocked paths by “hopping” from node to node until the destination is reached. A mesh network whose nodes are all connected to each other is a fully connected network. Mesh networks differ from other networks in that the component parts can all connect to each other via multiple hops, and they generally are not mobile. Mesh networks can be seen as one type of ad hoc network. Mobile ad-hoc networking (MANet), and mesh networking are therefore closely related, but mobile ad hoc networks also has to deal with the problems introduced by the mobility of the nodes. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... Network node (NN): A grouping of one or more network elements (at one or more sites) which provides network related functions, and is administered as a single entity. ... A fully connected network is a mesh network in which each of the nodes is connected to each other. ... A mobile ad-hoc network (MANet) is a kind of wireless ad-hoc network, and is a self-configuring network of mobile routers (and associated hosts) connected by wireless links – the union of which form an arbitrary topology. ...


Mesh networks are self-healing: the network can still operate even when a node breaks down or a connection goes bad. As a result, a very reliable network is formed. This concept is applicable to wireless networks, wired networks, and software interaction.


Examples

An MIT project is developing the XO-1 laptop or "Children's Machine" which is intended for under-privileged schools in developing nations and plans to use mesh networking to create a robust and inexpensive infrastructure. The instantaneous connections made by the laptops are claimed by the project to reduce the need for an external infrastructure such as the internet to reach all areas, because a connected node could share the connection with nodes nearby. A similar concept has also been implemented by Greenpacket by its application called SONbuddy. It has been suggested that this article be split into multiple articles. ...


In Cambridge, UK, on the 3rd June 2006, mesh networking was used at the “Strawberry Fair” to run mobile live television, radio and internet services to an estimated 80,000 people. A fair held in Cambridge, United Kingdom. ...


The Champaign-Urbana Community Wireless Network (CUWiN) project is developing mesh networking software based on open source implementations of the Hazy-Sighted Link State Routing Protocol and Expected Transmission Count metric. The Champaign-Urbana Community Wireless Network (CUWiN) is a special project of the Urbana-Champaign Independent Media Center. ... The Hazy-Sighted Link State Routing Protocol (HSLS) is a wireless mesh network routing protocol. ...


SMesh is an 802.11 multi-hop wireless mesh network developed by the Distributed System and Networks Lab at Johns Hopkins University. A fast handoff scheme allows mobile clients to roam in the network without interruption in connectivity, a feature suitable for real-time applications, such as VoIP. IEEE 802. ... The Johns Hopkins University, founded in 1876, is a private institution of higher learning located in Baltimore, Maryland, United States. ... In telecommunication, the term handoff refers to the process of transferring an ongoing call or data session from one channel connected to the core network to another. ... IP Telephony, also called Internet telephony, is the technology that makes it possible to have a telephone conversation over the Internet or a dedicated Internet Protocol (IP) network instead of dedicated voice transmission lines. ...


External links

  • Analysis of Mesh Architectures Why all mesh products are not created equal.
  • What is Third Generation Mesh? Review of three generation of mesh networking architectures.
  • Is Multi-radio mesh worthwhile? Cost considerations of multi-radio mesh.
  • MIT Roofnet A research project at MIT that forms the basis of roofnet / Meraki mesh networks
  • Ugly Truths About Mesh Networks Performance issues of First and Second Generation Mesh products.
  • Meraki Homepage Building cooperative wireless mesh networks

Meraki is a company that produces devices and software for wireless mesh networking. ...

See also


  Results from FactBites:
 
Muni WiFi Mesh Networks (184 words)
Application Notes describe how wireless products from BelAir Networks can provide solutions for particular industries or applications such as Muni Wi-Fi mesh networks.
This Application Note highlights how network operators, including cable operators and multiple service operators (MSOs), can quickly enable carrier-grade seamless mobility across multiple networks using wireless mesh products from BelAir Networks.
Wireless Mesh Networks for Public Safety and First Responders
Wireless mesh network - Wikipedia, the free encyclopedia (614 words)
Mesh networks are also extremely reliable, as each node is connected to several other nodes.
With mesh technology and adaptive radio, devices in a mesh network will only connect with other devices that are in a set range.
However, one feature of wireless mesh networks is that an operator need only deploy a minimal base station infrastructure, and allow the users themselves to extend the network.
  More results at FactBites »

 
 

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