Re: [webrtc-pc] More simulcast examples (#2035)

[the rid spec](https://tools.ietf.org/html/draft-ietf-mmusic-rid-15#section-11.2) mentions dependencies between rids (using the "depend" restriction). Here is an excerpt: 
Adding scalable layers to a session within a multiparty conference
   gives a selective forwarding unit (SFU) further flexibility to
   selectively forward packets from a source that best match the
   bandwidth and capabilities of diverse receivers.  Scalable encodings
   have dependencies between layers, unlike independent simulcast
   streams.  RIDs can be used to express these dependencies using the
   "depend" restriction.  In the example below, the highest resolution
   is offered to be sent as 2 scalable temporal layers (using MRST).
   See [I-D.ietf-mmusic-sdp-simulcast] for additional detail about
   simulcast usage.

Paused - the simulcast spec talks about offer/answer negotiations specifying streams that are initially paused (using the ~ notation). the layer is still being "sent" and negotiated, but it starts out as paused. i assume that layers can pause as well.

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Received on Friday, 30 November 2018 00:05:48 UTC