[zeromq-dev] 0MQ/3.1

Pieter Hintjens ph at imatix.com
Sat Nov 5 12:05:59 CET 2011

On Sat, Nov 5, 2011 at 11:21 AM, Martin Sustrik <sustrik at 250bpm.com> wrote:

> 2. The wire protocol for request/reply pattern was reverted to match the
> protocol used in 0MQ/2.1. (The publish/subscribe protocol remained
> unchanged though, providing the subscription forwarding feature.)

This is really good news. We can kill the 0MQ/2.2 branch now.

> 3. Identities were re-introduced, however they can be used only for
> routing the messages to specific peers. The "durable socket"
> functionality, ie. sockets storing messages for dead/disconnected peers
> was *not* re-introduced.


> The new version is named "3.1" as it is much closer to existing 3.0 and
> even to 2.1 that it used to be in the past.

Fantastic, Martin. I think this is a major step forwards.

Perhaps we can talk about how to extend the wire protocol safely to
allow new features to be added without breaking existing applications?


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