- From: Stefan Hakansson LK <stefan.lk.hakansson@ericsson.com>
- Date: Tue, 12 Jun 2012 22:15:18 +0200
- To: public-webrtc@w3.org
On 06/12/2012 07:36 AM, Harald Alvestrand wrote: > On 06/11/2012 03:58 PM, Markus.Isomaki@nokia.com wrote: >> Hi, >> >> In today's WebRTC meeting a discussion came up on how costly it is >> to keep an unused data channel connected. >> >> As long as we are using UDP, it is extremely costly for cellular >> connected mobile devices. In many networks keep-alives at least >> every 30 seconds are neeed to keep the UDP flow alive. > We also have to send something every 30 seconds to keep the > consent-to-receive alive in the case of media (and to maintain NAT > mappings). So as long as a PeerConnection remains unclosed, I think > we should assume that a packet will be sent every 30 seconds. I agree, and I also think this is more of a PeerConnection than a data channel issue. I think we need to make developers close the PeerConnection when it is not needed. A way to promote this would of course be to make PeerConnection set up fast.
Received on Tuesday, 12 June 2012 20:15:44 UTC