An AP is a wireless switch in a traditional wired network and is the most commonly used device for building a small wireless LAN. An AP is equivalent to a bridge connecting a wired network and a wireless network. Its main function is to connect each wireless network client together, and then connect the wireless network to the Ethernet to achieve the purpose of wireless coverage of the network.
There are thin APs and fat APs on the market. What is the difference between them? We together look!
Thin AP (FIT AP)
Wireless bridges, wireless gateways, also known as "thin" APs. The transmission mechanism of this wireless device is equivalent to a hub in a wired network, and continuously receives and transmits data in a wireless local area network; any PC or mobile terminal equipped with a wireless network card can use a wired local area network or even a wide area network through an AP. H.
In theory, when a wireless AP is added to the network, the network coverage diameter can be expanded exponentially; and more network devices can be accommodated in the network. Each wireless AP basically has an Ethernet interface for wireless and wired connections.
Simply put, the thin AP itself cannot be configured and requires a dedicated device (wireless controller) for centralized control management configuration. “Controller + Thin AP+Router Architecture†is generally used for wireless network coverage, because when the number of APs is large, the configuration is managed only by the controller, which simplifies a large workload;
Fat AP (FAT AP)
The so-called fat AP in the industry is also known as a wireless router. Wireless routers are different from pure APs. In addition to wireless access, they generally have two interfaces, WAN and LAN. They support address translation (NAT) and support DHCP servers, DNS, and VPN access and firewall security functions.
Speaking of how can this not say AC? What exactly is AC?
In fact, the AC wireless controller is a network device used to centrally control the controllable wireless AP in the local area network. It is the core of a wireless network and is responsible for managing all wireless APs in the wireless network. Modify related configuration parameters, RF intelligent management, access security control, etc. (At present, all ACs and APs in the market are owned by the same manufacturer to manage each other)
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