Networking & Wireless

General discussion

Video streaming from a wireless router of slows to zero

by adjuvantjfoster / March 15, 2010 11:05 AM PDT

Video streaming from a wireless router of slows down, in a few tens of seconds, to zero throughput.

I have an Apple 2TB Time Capsule wireless (and wired) 2.5 GHz and 5 GHz wireless router

I am concerned that if I, and others, are already having wireless streaming problems with various makes of routers (allegedly, the same routers with wired streaming do not have this "buffer over run" problem if that is indeed the cause) then Apple and other router makers are in for a PR storm when the WiFi iPad hits the streets.

As for wireless buffers, I've heard it's possible to overrun the buffers to such a degree that they choke the machine to a standstill. One solution may be to throttle back the bandwidth slightly, and see if that improves things. (For example cutting back from HD picture quality on the Sling player software, though the problem is not limited to streaming from a SlingBox Pro)

Another possibility is the high-bandwidth throttling the ISPs have been known to do. They often assume you're running a bitTorrent link, and throttle you back to a turtle's pace to keep your system from seriously impacting the rest of the network's traffic. If you kill the stream and restart it, it will work OK for a while, until it goes over their thresholds and they throttle it down again. (This is how Comcast's "turbo boost" service works -- the boosted speed is the real speed of the service. The billed speed is what they supposedly throttle it back to.)

Has anyone done bench mark work on the streaming performance of wired vs wireless video streaming from routers?

Is this a known hardware issue that I am just becoming aware of?

If so, are there any other wireless routers that are specifically for streaming video that do not have that problem?

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Weid.
by R. Proffitt Forum moderator / March 16, 2010 1:30 AM PDT

None of the wifi routers at home, office or lab do that. Must be limited to systems out there but not an epidemic issue.
Bob

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Video streaming from a wireless router of slows to zero
by adjuvantjfoster / March 16, 2010 2:14 AM PDT
In reply to: Weid.

A Google search of the topic showed a scattering of threads, but no solutions, or even suggested solutions other than, perhaps noting it was a wireless problem but not a wired problem.

I wonder if an epidemic will appear when video streaming loads from early iPad users start doing a lot of video streaming on their AT&T plans which seem to be favorable for streaming.

I wonder if it is a problem of HD video streaming, more than lower resolution streaming that is more commonly used.

Any one doing lab tests on Time Capsule for this buffer over run problem would be doing the world a favor and look really good in the process (grin).

Any takers to test this before the problem is widely known?

John

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The problem as I see it.
by R. Proffitt Forum moderator / March 16, 2010 4:03 AM PDT

Is that if it affects you, then it's a widespread problem and no one knows how to fix it.

Here, across some dozen plus networks at offices, homes and labs we don't see the issue. This makes me think it's not a widespread problem.
Bob

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