this post was submitted on 18 Sep 2023
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Privacy
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Sorry for asking, but what even is the use of having a Wireless Access Point? If you have a router then you should be all set, no?
Take this with a major grain of salt as I don't know much about this. I think that a router isn't always also a wireless access point. It could just be for wired connections like a switch. Please downvote and correct me if I'm wrong, I really know little about this.
A router bridges your local network and the internet. It decides where to send packets. Typically in residential installations, the router acts as a gateway, acts as a local DHCP server, acts as a DNS server. Kind of all in one.
A access point is a wireless device, which talks to wireless clients, putting their traffic on the network.
Again residential devices, tend to be all in one, everything you would expect in your router/gateway, and an access point.
This is fine for small installations, or people who don't really care particularly about quality. When you get into dedicated devices, you get higher reliability in your access points, better radios, better firmware. They keep it simple stupid philosophy applies to hardware as well.
If you have a large house, you'll probably need multiple access points to cover the entirety of the house, and you wouldn't want each access point to be acting as a gateway, a router, or a DHCP server.
So it's just like mini routers just dedicated to internet, with better quality and reliability, that connect to the main router when it's near, but give you a stronger signal?
I like to think of them as Ethernet switches that happen to have WiFi. Their goal is just to bridge (in the colloquial sense, not necessarily networking sense) WiFi to Ethernet.