filtering happens at the publisher side means when SUB1.subscribe("C") and
SUB2.subscribe("D"), the publisher won't send "D" to SUB1, nor "C" to SUB22013/8/22 Roy Liu <[email protected]> > Hi, Luke > > In ZMQ 3.x, if publisher filter the message first and sent the filtered > message to the subscriber or not? > if so, publisher will save the filter options at it's side? and where to > save these options? > > I want to know details about implement of "filter at publisher". > > Roy. > > > On Thu, Aug 22, 2013 at 9:21 AM, Lucas Hope <[email protected]>wrote: > >> Hi Roy, >> >> Doesn't ZMQ 3.x do just what you want, as per the documentation you >> posted? >> >> What is the problem? >> >> Luke >> >> >> On Thu, Aug 22, 2013 at 10:47 AM, Roy Liu <[email protected]> wrote: >> >>> Has anyone work with this scenario? >>> Any information about the filter on the publisher side? >>> >>> >>> On Wed, Aug 21, 2013 at 10:42 PM, <[email protected]> wrote: >>> >>>> Hi, everyone >>>> >>>> In ZMQ guide http://zguide.zeromq.org/page:all, I read: >>>> >>>> >>>> - From ØMQ v3.x, filtering happens at the publisher side when using >>>> a connected protocol (tcp: *or ipc:*). Using the epgm:// protocol, >>>> filtering happens at the subscriber side. In ØMQ v2.x, all filtering >>>> happened at the subscriber side. >>>> >>>> >>>> So, I need to implement this scenario: >>>> >>>> 1. In publisher side: PUB >>>> 2. In subscriber side: SUB1, SUB2 >>>> 3. PUB can send characters from A to Z. >>>> 4. SUB1 ONLY receive C character >>>> SUB2 ONLY receive D character. >>>> >>>> How to setup PUB side filter which can send C to SUB1 and D to SUB2? >>>> This is like that a mailbox only receive his newspapers or magazines, >>>> not receive all mails and "filter" by itself. I wander PUB side filter is >>>> that clever postman :) >>>> >>>> If filtering happens at sub side, PUB will send all the message(A-Z >>>> characters) to all the SUBs, which occupy too much network resource and be >>>> not efficient. >>>> >>>> >>>> Anyone can help? >>>> >>>> Thanks >>>> >>>> Roy. >>>> >>> >>> >>> _______________________________________________ >>> zeromq-dev mailing list >>> [email protected] >>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >>> >>> >> >> >> -- >> --------------------------------------------------- >> Dr Lucas Hope - lucas.r.hope@skype >> Machine Learning and Software Engineering Consultant >> Melbourne, Australia >> >> _______________________________________________ >> zeromq-dev mailing list >> [email protected] >> http://lists.zeromq.org/mailman/listinfo/zeromq-dev >> >> > > _______________________________________________ > zeromq-dev mailing list > [email protected] > http://lists.zeromq.org/mailman/listinfo/zeromq-dev > >
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