[Telepathy-commits] [telepathy-spec/master] Media.StreamHandler.RelayInfo: Add some rationale

[Simon McVittie]

---
 spec/Media_Stream_Handler.xml |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/spec/Media_Stream_Handler.xml b/spec/Media_Stream_Handler.xml
index c45c7d8..1a68532 100644
--- a/spec/Media_Stream_Handler.xml
+++ b/spec/Media_Stream_Handler.xml
@@ -151,9 +151,22 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</
           <dt><code>component</code></dt>
           <dd>The component number to use this relay server for, as an
             ASCII unsigned integer; if not included, this relay server
-            may be used for any or all components</dd>
+            may be used for any or all components.
+
+            <tp:rationale>
+              In ICE draft 6, as used by Google Talk, credentials are only
+              valid once, so each component needs relaying separately.
+            </tp:rationale>
+          </dd>
         </dl>
 
+        <tp:rationale>
+          <p>An equivalent of the gtalk-p2p-relay-token property on
+            MediaSignalling channels is not included here. The connection
+            manager should be responsible for making the necessary HTTP
+            requests to turn the token into a username and password.</p>
+        </tp:rationale>
+
         <p>The type of relay server that this represents depends on
           the value of the <tp:member-ref>NATTraversal</tp:member-ref>
           property. If NATTraversal is ice-udp, this is a TURN server;
-- 
1.5.6.5