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Re: [MMUSIC] ICE + TURN permissions -- propose text addition to the list
On 06/16/2009 04:10 PM, Jean-Francois Mule wrote:
Can one of you propose some text changes to the list to address this
issue re: UA and explicit TURN permissions (section, new proposed txt,
etc)?
Let me take a shot at it...
- Create a new section between 5.3 and 5.4 with the following text:
-----------------------------------------------------------------------
5.4. Installing TURN Permissions
If relayed candidates have been gathered, it is necessary to install or
refresh permissions on the TURN allocations for the offerer's
candidates. The agent MUST send a CreatePermission request (see
[draft-ietf-behave-turn-15], Section 9) to each TURN server on which it
gathered a relayed candidate. Each candidate received from the offerer
is encoded as a XOR-PEER-ADDRESS parameter.
5.4.1 Keeping Permissions Alive
Once permissions are installed, they MUST be kept alive until ICE
processing has completed, as described in Section 8.3. The keepalive
MUST be a CreatePermission request. Once ICE processing has completed,
the agent MAY bind a channel to the nominated remote candidate using the
ChannelBind request if the nominated local candidate is relayed. From
this moment, the keepalive MUST be a ChannelBind request.
-----------------------------------------------------------------------
- Create a new section between 6.2 and 6.3 with the following text:
-----------------------------------------------------------------------
6.3. Installing TURN Permissions
The process for installing TURN permissions at the offerer is identical
to the process followed by the answerer, as described in Section 5.4.
-----------------------------------------------------------------------
Simon
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