[zeromq-dev] [ANNOUNCE] ZeroMQ/3.0.0 is now available

Martin Sustrik sustrik at 250bpm.com
Tue Jul 12 19:05:06 CEST 2011

On 07/12/2011 07:02 PM, Luc Heinrich wrote:
> On 12 juil. 2011, at 16:12, Pieter Hintjens wrote:
>> * Theer is a new wire format for the REQ/REP pattern. First, the
>> empty bottom-of-the-stack message part is not needed any more, the
>> LABEL flag is used instead. Secondly, peer IDs are 32-bit integers
>> rather than 17-byte UUIDs.
> Does this mean that all zmq nodes in a topology need to speak zmq3 or
> is there some kind of fallback mechanism which offer backward
> compatibility with the 2.x wire format?

All the nodes have to be 3.0.


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