please remove me from this mailing list On Sun, May 14, 2017 at 5:37 PM, Luca Boccassi <[email protected]> wrote:
> On Sun, 2017-05-14 at 09:08 -0400, Kevin Meredith wrote: > > Hi - > > > > Reading Pieter's above listed blog post, he noted: > > > > > we introduced the rule that new stable releases of the software > > > must (a) > > > > talk to old stable releases and (b) they must support existing apps, > > without changes. We more or less succeeded with that, so ZeroMQ > > versions > > 3.2 and 4.0 work nicely with 2.2 and 2.1, for example. > > > > I am interested to learn what this means. > > > > Does the above example mean that a 3.2 PUB could talk to a 2.2 SUB, > > for > > example? > > > > Thank you, > > Kevin > > With regards to the network protocol (ZMTP), yes, libzmq supports all > versions of the protocol, it detects it at runtime and uses the > relevant encoder/decoder to talk with the peer(s). > There were a couple of bugs that prevented full compatibility but they > have been fixed last year. We do lack automated cross-compatibility CI > tests though, there's an item on the issue tracker for it - help from > volunteers would be very welcome. > > Regarding the library itself, API compatibility was broken with 3.0, > and maintained since then. > > ABI compatibility was last broken with 4.1.0. > > Kind regards, > Luca Boccassi > _______________________________________________ > zeromq-dev mailing list > [email protected] > https://lists.zeromq.org/mailman/listinfo/zeromq-dev >
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