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This forms a different type of network - in Ad-Hoc mode, all devices are responsible for sending and receiving messages to the other devices - without anything else in between.In an Ad-Hoc network, every device must be in this role, and using the same configuration to participate.Access Points (Master) Most wireless networks are made using Access Points - devices that host and control the wireless connection for laptops, tablets, or smart phones.
When a router is set up as an AP, it is said to be in “Master” or “Infrastructure” mode.
An AP is sometimes a stand-alone device that bridges between a wireless and wired (Ethernet) network, or is part of a router.
Community Wireless Networks can be designed in many ways.
To help you understand these different methods for designing networks, this document covers the basics of what different devices do in wireless networks, and how they can be used in different configurations.
An Access Point is similar to a person on stage, addressing an audience or crowd - they are providing the information for everyone else.
Those audience members can ask questions of the person on the stage, and receive a response.Not all devices use this mode, and some have it as a “hidden” feature.Ad-Hoc devices are used to create a Mesh network, so when they are in this mode, they are called “Mesh Nodes”.APs can cover a range of areas with a wireless signal, depending on the power of the device and the type of antenna.There are also some APs that are weatherproof, designed to be mounted outdoors.What are the roles and relationships between the different colored nodes in the networks?The two networks above are Ad-Hoc and Infrastructure (Access Point) networks.These routers are defined in Learn Networking Basics, but for the sake of this document the quick definition of a router is a network device that can connect one network to another, determine what traffic can pass between them, and perform other functions on a network, such as assigning IP addresses.Wireless Clients (Station) Devices such as computers, tablets, and phones are common Clients on a network.Ad-Hoc Node (Mesh) Some wireless devices (laptops, smart phones, or wireless routers) support a mode called Ad-Hoc.This allows those devices to connect together directly, without an Access Point in-between controlling the connection.