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

Luc Heinrich luc at honk-honk.com
Tue Jul 12 19:02:02 CEST 2011

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?

Luc Heinrich - luc at honk-honk.com

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