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Target numbers for setup time (Re: Keeping up data channel)

From: Harald Alvestrand <harald@alvestrand.no>
Date: Fri, 22 Jun 2012 19:09:06 +0200
Message-ID: <4FE4A6B2.7020601@alvestrand.no>
To: public-webrtc@w3.org
On 06/22/2012 05:58 PM, Cullen Jennings (fluffy) wrote:
> On Jun 13, 2012, at 5:29 , Randell Jesup wrote:
>
>>> How far down do you think we have to drive the setup time before you
>>> would not call it "abysmal"?
>
> I'd probably consider above 250 ms abysmal but good news I don't see any problem with getting it down around 100 ms in when both endpoints are in a single country.
>
Coast-to-coast US is ~4800 km, so RTT (9600 km) is 32 ms (speed of light 
is 300 km/msec).

So, without considering processing time, 3 RTT is 100 msec, 7 RTT is 
"abysmal".

There are bigger countries than the US, but this will do for a 
back-of-the-envelope.


>
Received on Friday, 22 June 2012 17:09:35 UTC

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