Wireless mesh networks, as the name implies, are truly wireless. That’s not the case with most traditional wireless access points, which still need to be wired to the Internet to broadcast their signal. For large wireless networks, Ethernet cables need to be buried in ceilings and walls and throughout public areas. Only one mesh node in a wireless mesh network needs to be physically wired to a network connection like a DSL Internet modem.
Mesh nodes, small radio transmitters that function in the same way as a wireless router, using common industry standard network protocols to communicate. Information travels across the network from point A to point B by hopping wirelessly from one mesh node to the next. The nodes automatically choose the quickest and safest path in a process known as dynamic routing. The one wired node shares its Internet connection wirelessly with all other nodes in its vicinity. These nodes then share the connection wirelessly with the nodes closest to them. The more nodes in a network, the farther the connection spreads, creating a wireless “cloud of connectivity” that can serve a small office or a city of millions.
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