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how much bandwidth does wow actually use?



I'm on a shared connection between 4 people in our house, technically our broadband is quite good for the UK (20MB downstream, probably about 750KB upstream). However we do have some quite big arguments about "who is downloading? i'm trying to play/watch x".

This got me thinking about how much of this shared connection am I actually using when I play wow. I could imagine that when I get into Dallaran or a 25 man raid with lots of trash, wow is sending me lots of data very quickly and similarly I'm sending wolots of data.

so my question is this: by playing wow am I slowing down my flat m8s net access sugnificantly, and how does this compair to something like a p2p client that seems to completely cripple our net and my wow playing.


Some network routers support Quality of Service (QoS), which will give certain connections higher priority over others. Set it up to give WoW (port 3724) higher priority over things like web HTTP (port 80) and BitTorrent (usually 6881, but it's common to change it). You can do this for other games as well by looking up what ports they use. – Wridel (Jan 28 2010 10:41 AM)

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From some research I did a while back:

The highest bandwidth I've ever heard of WoW using at a time is 30 KBps; this is in situations like raid fights or zoning into a city when there's a lot of data flying around.... However, I rarely if ever see it go as high as 30 KBps; typical usage is more like 5 or below, often even in the sub-1 KBps range.

If you've got 20 Mbit down, you're not impacting your flatmates' internet in the slightest, even if it was at 30 KB (240 Kbit) down all the time (which again, does not seem to represent a realistic sustained rate).

On the other hand, downloading patches can suck up a lot of bandwidth, but normal gameplay is a non-issue on a connection that fast.


will wow effect the upstream? – Phood (Jan 28 2010 11:57 AM)


Yes, it does upload data (the client has to report back to the server where you are, what buttons you've clicked, etc.), but it's not going to put a dent in 750K. I don't have numbers for you on the upstream, but it's low. – eliah (Jan 28 2010 12:04 PM)

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