Does multiple devises on wifi slow streaming down?

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Other answer:

Brian:
There are several factors to consider:

1) When streaming from the Internet, if the WiFi speed is much faster than the speed of the ISP connection, the router will hit a limit when the sum of all the streams both on Ethernet and WiFi reaches the limit of the ISP connection. In general Ethernet streams will be faster than WiFi streams.

2) If the WiFi can stream at a certain speed, this speed will be shared across all devices that are connected to and using the WiFi network. In addition, the more devices that are trying to stream at the same time, the slower the total rate that the WiFi network will achieve. This is because WiFi is a shared network and when multiple devices are using it, two or more devices may start to transmit at the same time causing the data to be corrupted and lost requiring data to be retransmitted. This wastes WiFi bandwidth.

3) As WiFi is a shared interface, you might have a 150 Mbps WiFi network, but with 6 devices all streaming on the network, the average will not exceed 150/6 or 25 Mbps per device.

4) Since WiFi is half-duplex, data can flow in one direction OR the acknowledgement for that data can go in the other direction. These two transfers cannot happen simultaneously, unlike Ethernet which does allow both to occur at the same time.

5) If you are streaming movies over WiFi on one device and trying to play online games over WiFi on another device, game playing can be seriously disrupted if that device has to wait to gain access to the network.

I hope this helps.

Taco Dance:
It sure does. A wifi router can only connect to one device at a time(Seriously). For just a fraction of a second. Say you have 3 devices connected a phone. A game system and a streaming device. The router will connect to the phone to see if it is asking for any data, if not it moves on. Connects to the game and sees that it is sending so it takes it ad delevers what its asking for. Then it connects to the streaming devices and does the same thing. It does this very fast but still, more devices are going to take more time.
Kevin:
Yes,A wifi router can only connect to one device at a time(Seriously). For just a fraction of a second. Say you have 3 devices connected a phone. A game system and a streaming device. The router will connect to the phone to see if it is asking for any data, if not it moves on. Connects to the game and sees that it is sending so it takes it ad delevers what its asking for. Then it connects to the streaming devices and does the same thing.
Mr. Wizard:
Yes. Slow down factors depend on:

A) how many devices are attached to the router.

B) of those devices, how many are ACTIVE at the EXACT same time you're on a PC or steaming device.

C) How big the downloaded data is

Cymaxtron3:
Hi.

If you by devices you mean several Wi-Fi cards connected to the same internet account, yes. But if you mean that those devices are the Wi-Fi cards of your printers, scanners and other devices connected to your computer, that shouldn't happen except when the software of those devices seek for updates, in that case you have to schedule one or two days as a maximum in a week for that purpose in the manager of those activities which is usually Windows and its little flag of activities also the taskmgr, you can block them one by one with it just when you need full speed.

You can open your software updaters of your devices one by one and schedule them as you prefer.

R T:
That kinda depends on what the device are doing. A data connection, any connection, has a limit to how much data it can put through at one time. If all the devices on a node are using large amount of data, yes, the node will get slow.
Becky:
100%
Sue:
yeah, depending on what those devices are doing
Sara:
yeah… the more devices you add to your network the slower your local network speeds shall become…
Lavis:
Yes as there is a limited bandwidth which, at consumer grade, will be 'bottle-necked' (reach its capacity) with multiple users streaming and using up that bandwidth.

Hope this helps 🙂

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