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Re: [paho-dev] Plans for MQTT V5 in Paho
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I'm game. I will bring the C++ library along for the ride, and help
however I can.
Frank
On 07/26/2017 07:38 AM, Ian Craggs wrote:
Hello all,
the MQTT version 5.0 specification is nearing completion, with the
availability of working draft 15
(https://www.oasis-open.org/committees/documents.php?wg_abbrev=mqtt&show_descriptions=yes),
which is going to be, with very minor changes, the first Committee
Specification Draft (CSD). This means that we are nearing the end of
the process of creating the MQTT 5.0 specification. There is a 30 day
review period for the CSD once it's officially published, then if
changes are needed as a result of feedback, there will be a second CSD
with a further review period, and so on. We anticipate that two CSDs
will be sufficient.
To facilitate MQTT v 5.0 adoption and awareness in the community, and
give feedback to the OASIS TC within the CSD review period, James
Sutton and I are proposing to start work on implementations in Eclipse
Paho. The rough plan is:
1) Ian to write a Python "test" broker to enable client testing and a
server implementation model.
2) James to start work on a Java client implementation. This will
probably be a completely new codebase, because the existing Java
client was for a long time deliberately constrained to the Java 1.4.2
language level to be compatible with JavaME. A new code base will
enable later Java language features to be fully exploited.
3) Ian to write C and embedded C client implementations. I haven't
decided yet whether or how to extend the current codebases or write
new ones. My plan is to try extending, and if that proves excessively
complex, to review that approach.
4) After Java, James will probably look at JavaScript next.
We will open issues in the relevant projects to encourage discussion
of MQTT v5 support.
If any other committers also want to embark or experiment with MQTT v5
support in their components, we of course will welcome that! Your
thoughts and comments are of course welcome.
Thanks.
