[zeromq-dev] ZMTP 3.1 and NORM transport

Pieter Hintjens ph at imatix.com
Wed Nov 25 10:47:13 CET 2015


To clarify, NORM is an optional transport you can add when you build
the stable release. The heartbeating is not yet in a stable release;
we can plan to do that if you really need it.

On Tue, Nov 24, 2015 at 11:51 PM, Pieter Hintjens <ph at imatix.com> wrote:
> libzmq master implements heartbeating, you can test that it works as you need.
>
> NORM is also part of ZeroMQ since March 2014.
>
> -Pieter
>
> On Tue, Nov 24, 2015 at 10:00 PM, Alexander Rössler
> <mail at roessler.systems> wrote:
>> Hi,
>>
>> I am working a middleware project and found that ZeroMQ is missing some
>> features
>> to be perfect fit for the application. Namely heart-beating to discover
>> lost connections
>> and outdated data and some sort of unreliable transport for things like
>> video streaming
>> or RT communication.
>>
>> Some deeper research on this topic brought me to resources about two new
>> features in ZeroMQ:
>> First ZMTP 3.1 seems to support heartbeating on the transport layer.
>> This would be great for my
>> middleware project since I could neglect implementing it on the
>> middleware level:
>> http://rfc.zeromq.org/spec:37/ZMTP
>>
>> Furthermore, I discovered the NORM transport which seems to be a
>> suitable transport for things like
>> video streaming since it supports an "unreliable" mode without per
>> packet feedback.
>> http://zeromq.org/topics:norm-protocol-transport
>>
>> So my question: In which version of ZeroMQ will these features be
>> available? Furthermore, if not
>> available yet which time-frame are we talking about until these features
>> will make into the stable
>> branch?
>>
>> Thanks,
>> Alexander
>> _______________________________________________
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>> zeromq-dev at lists.zeromq.org
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