W3C home > Mailing lists > Public > public-webrtc@w3.org > June 2018

Re: Low latency video in WebRTC

From: Roman Shpount <roman@telurix.com>
Date: Tue, 26 Jun 2018 12:46:40 -0400
Message-ID: <CAD5OKxu7T2O3Jfbubf=cnS7S7LCRObVbDPYHzJPwzqLMG-3hAQ@mail.gmail.com>
To: Mondain <mondain@gmail.com>
Cc: Harald Alvestrand <harald@alvestrand.no>, WebRTC WG <public-webrtc@w3.org>
Hi Paul,

How would ICE or DTLS/SRTP introduce additional latency on the connection?

I can understand how they will slow down the connection setup, but once
configured, they should have no impact on latency (and almost no CPU
impact).

Regards,

_____________
Roman Shpount

On Tue, Jun 26, 2018 at 10:40 AM, Mondain <mondain@gmail.com> wrote:

> Yes, RTSP absolutely uses RTP, but it doesn't require ICE nor DTLS / SRTP
> and those are major considerations.
>
> Regards,
> Paul
>
> On Tue, Jun 26, 2018 at 8:57 AM Harald Alvestrand <harald@alvestrand.no>
> wrote:
>
>> On 06/20/2018 11:43 PM, Mondain wrote:
>> > Putting on the architect hat for a moment here; I would recommend not
>> > using webrtc for a robot project that requires near realtime feed and
>> > control. You'd be better served with rtsp based solution, but those
>> > are just my two cents.
>>
>> <curiosity>
>>
>> what mechanisms in rtsp make it more suitable for this application?
>>
>> according to https://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol
>> RTSP also uses RTP for audio/video transfer.
>>
>>
>>
Received on Tuesday, 26 June 2018 16:47:05 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 19:18:42 UTC