Fwd: TURN questions

Jonathan,

We're experimenting with standing up some TURN servers, and in the 
development of these we came across some vague areas of the latest 
draft... can you shed some light here?

Thanks,
Justin Uberti
Chief Architect, Instant Messaging
America Online

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1. Paragraph 7.2.2 Initial Allocate Request does not mention
MagickCookie attr. It is only mentioned in 7.2.3 Subsequent Requests and
7.2.4 Send Request.
Is our understanding correct that initial Allocate Request does not
contain MagickCookie attr?

  2. TURN draft does not provide Turn default listening port number.
Also, paragraph 7.4 Receiving packets and Connections refer to 'one of
server's public TURN ports'.

3.  7.2.2 Initial Allocate Request states "server must not allocate
ports from the well known port range(0 - 1023) and must not allocate
ports from the user registered port range (1024 through 49151).  Confirm
that it is an intention of TURN protocol to allocate ports only from
49152  through  64K range.

4. TURN draft instructs to reuse numeric values for attributes already
used by STUN protocol.
     However it provides differernt value 0x0012 for Source-Address while
STUN defines Source-Address as 0x0004. It may lead for confusion.
Numberic value for REALM attribute is not provided.

Elena