Hi everyone,

I've been trying to build this program where I have multiple publishers (where 
each publisher represents a distinct data source).  To avoid the slow joiner 
problem, it looks like the preferred mechanism (correct me if I'm wrong) is to 
use a REQ-REP socket to send a synchronization packet from the client to the 
server at which time the server knows it's "safe" to start sending out data to 
the client.

So my question is, what's the preferred way to synchronize/prevent slow joiner 
when I'm listening to multiple publishers?  I've considered connecting a single 
REQ socket to multiple REP sockets, using one REQ socket per publisher, using 
PUSH/PULL or DEALER/ROUTER sockets.

Thanks,
Yi
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