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Diffstat (limited to 'lib/diameter/doc/src/notes.xml')
| -rw-r--r-- | lib/diameter/doc/src/notes.xml | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/lib/diameter/doc/src/notes.xml b/lib/diameter/doc/src/notes.xml index 50f568abaa..60478606ad 100644 --- a/lib/diameter/doc/src/notes.xml +++ b/lib/diameter/doc/src/notes.xml @@ -43,6 +43,76 @@ first.</p> <!-- ===================================================================== --> +<section><title>diameter 2.0</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Let candidate peers be passed to diameter:call/4</p> + <p> + With call option peer, to allow a request to be sent to a + peer that hasn't advertised support for the application + in question.</p> + <p> + RFC 6733 2.4 requires a node to send the application + identifiers of all locally supported applications at + capabilities exchange, but not all nodes respect this for + the common application, and diameter itself will send + D[WP][RA] without the common application having been + explicitly advertised. Regarding the common application + as implicit renders Result-Code 5010 + (DIAMETER_NO_COMMON_APPLICATION) meaningless however, so + allow any request to be sent as long as there is a + configured dictionary to support it.</p> + <p> + Own Id: OTP-14338</p> + </item> + <item> + <p> + Improve performance of message encode/decode and related + handling.</p> + <p> + Dictionaries using @custom_types or @codecs will need to + adapt the corresponding functions to accept an additional + argument that is now passed through encode/decode, which + was required to remove various process dictionary-based + workarounds that have been used to solve problems in the + past.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-14343</p> + </item> + <item> + <p> + Add transport options to avoid deadlock and allow for + load regulation.</p> + <p> + Both diameter_tcp and diameter_sctp now accept two new + configuration options: sender and message_cb. The former + causes outgoing sends to take place in a dedicated + process, to avoid the possibility of deadlock when both + the transport process and its peer block in send. The + latter allows a callback to control the reading of + messages on the socket, to allow for backpressure towards + peers when the rate of incoming traffic is greater than + can otherwise be handled.</p> + <p> + Neither of these options are yet documented, but are + unlikely to change unless problems are discovered. The + sender option is not the default since it should probably + always be used in combination with message_cb, to prevent + incoming requests from being read at a higher rate than a + peer allows outgoing answers to be sent.</p> + <p> + Own Id: OTP-14455 Aux Id: ERL-332 </p> + </item> + </list> + </section> + +</section> + <section><title>diameter 1.12.2</title> <section><title>Fixed Bugs and Malfunctions</title> |