- From: Cullen Jennings (fluffy) <fluffy@cisco.com>
- Date: Thu, 28 Jun 2012 19:49:09 +0000
- To: Harald Alvestrand <harald@alvestrand.no>
- CC: "public-webrtc@w3.org" <public-webrtc@w3.org>, "<rtcweb@ietf.org>" <rtcweb@ietf.org>
Agree - that's why I think this has to be done in zero RTT. I don't see any problem with setting up a data channel and being ready to send media before having the UI tell the user they are "connected and can start talking". Reducing from 7 RTT to 5 RTT does not help when you need to get to 0 RTT. On Jun 22, 2012, at 10:09 , Harald Alvestrand wrote: > 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 Thursday, 28 June 2012 19:49:39 UTC