[zeromq-dev] 0MQ 2.0 Model Question

Martin Sustrik sustrik at fastmq.com
Thu Oct 8 11:03:32 CEST 2009

tom schuring wrote:
> Hi Martin,
> thank you for your reply
>> The alternative is req/rep model, where each message exchange is 
>> initiated by requester. The number of messages is always finite 
>> (request+reply). In this case messages are never dropped.
> ah, so in that case the requester can only send 1 message when the 
> connection is down ? and only when the other side replies (for example 
> when the connection is restored) can the requester send another message ?

Yes. That's the case. You can of course think of different messaging 
models aside of pub/sub and req/rep, however, these two are most common 
so they were implemented first.


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