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authorAnders Svensson <[email protected]>2012-07-29 02:29:55 +0200
committerAnders Svensson <[email protected]>2012-08-23 13:57:24 +0200
commit6e84ba43a344599ec94852086f40f9b0eacc2c32 (patch)
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-rw-r--r--lib/diameter/doc/src/diameter.xml30
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diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index 93e2603c10..ec7bd2012e 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -764,15 +764,45 @@ Defaults to <c>diameter_tcp</c> if unspecified.</p>
<p>
The interface required of a transport module is documented in <seealso
marker="diameter_transport">diameter_transport(3)</seealso>.</p>
+
+<p>
+Multiple <c>transport_module</c> and <c>transport_config</c>
+options are allowed.
+The order of these is significant in this case (and only in this case),
+a <c>transport_module</c> being paired with the first
+<c>transport_config</c> following it in the options list, or the
+default value for trailing modules.
+Transport starts will be attempted with each of the
+modules in order until one establishes a connection within the
+corresponding timeout (see <c>transport_config</c> below) or all fail.</p>
</item>
<tag><c>{transport_config, term()}</c></tag>
+<tag><c>{transport_config, term(), Unsigned32()}</c></tag>
<item>
<p>
A term passed as the third argument to the <seealso
marker="diameter_transport#start">start/3</seealso> function of
the relevant <c>transport_module</c> in order to start a transport process.
Defaults to the empty list if unspecified.</p>
+
+<p>
+The 3-tuple form additionally specifies an interval, in milliseconds,
+after which a started transport process should be terminated if it has
+not yet established a connection.
+For example, the following options on a connecting transport
+request a connection with one peer over SCTP or another
+(typically the same) over TCP.</p>
+
+<code>
+{transport_module, diameter_sctp}
+{transport_config, SctpOpts, 5000}
+{transport_module, diameter_tcp}
+{transport_config, TcpOpts}
+</code>
+
+<p>
+To listen on both SCTP and TCP, define one transport for each.</p>
</item>
<tag><c>{applications, [application_alias()]}</c></tag>