Re: "a=extmap" with BUNDLE

2017-03-24 19:28 GMT+01:00 Taylor Brandstetter <[email protected]>:
> saw that. Which means that individual documents are responsible for defining
> how their extensions work with BUNDLE.
>
> But something still would need to define the general restrictions for using
> "extmap" with BUNDLE, such as the ID restriction. Or is that just something
> that's common sense and doesn't need to be specified?

https://tools.ietf.org/html/rfc5285#section-6 just mandates that the
IDs must be unique within a m= section, but at the end, all the WebRC
implementations use unique ID values across the entire SDP.

There are some RTP extensions, such as
http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01,
that work at *transport* level (rather than at m= section level), but
nothing prevents such a spec to work even if its ID is not unique
within the m= sections.

This is, IMHO we don't need a global behavior/requirement for the ID
values within bundled m= sections.


-- 
Iñaki Baz Castillo
<[email protected]>

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