Thursday, August 23, 2018

Can segmenting or subnetting improve online gaming performance?

Networking noob here. My brother's looking to find a way to prioritize gaming traffic, for shooters like Fortnite. Their internet is quite slow (10 megabit, on a farm). They can game on 3 or 4 Xboxes simultaneously, with no lag and decent pings. But as soon as anyone else in the house does anything significant on the internet, youtube video, or a device starts downloading an automatic update, etc, it instantly becomes a huge lag-fest.

This guy in another thread said that some kind of subnetting or "segmenting" can help with this. But I only understand half the words in the comment. Can someone explain this in a bit simpler terms? Maybe ELI9 or something:

https://www.reddit.com/r/GoogleWiFi/comments/7anujk/google_wifi_as_a_router_for_gaming/dpgbzn6

What exactly is the "buffer bloat" that this guy is talking about, and what can one do to prevent it?:

https://www.reddit.com/r/GoogleWiFi/comments/7anujk/google_wifi_as_a_router_for_gaming/dpboj4c

Would it help to put the 3 xboxes in their own subnet or segment or something? Can an ordinary router do that?

If they must buy a new router, Google Wifi can assign a priority device, but only 1. They have 3 xboxes. The Ubiquiti Amplifi HD system seems to let you mark several devices as "gaming" devices for priority, maybe that's better?: https://help.amplifi.com/hc/en-us/articles/115005226567-QoS-How-To

​Thanks guys!!



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