[zeromq-dev] Wire-format spec for zmq 3.2

Steve Hawkins shawkins at evosus.com
Wed Oct 24 16:20:19 CEST 2012



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----- Reply message -----
From: "Martin Hurton" <hurtonm at gmail.com>
Date: Tue, Oct 23, 2012 11:59 pm
Subject: [zeromq-dev] Wire-format spec for zmq 3.2
To: "ZeroMQ development list" <zeromq-dev at lists.zeromq.org>

> I think (would have to check the code) that 2.x peers do not consider
> the MORE bit on identities.

Yes, the 2.x never checks that bit.

> In fact the frame that 2.0 suggests sending to discover a 1.0 peer is
> invalid according to the 1.0 protocol, where the 'final' byte must be
> %01, not %7f.

Encoding the frame length in 9 bytes for short identities (0-254
bytes) is another violation of ZMTP/1.0 spec.
Again, zeromq 2.x implementation does not care, but may be problem
with more strict implementations.

- Martin
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