[zeromq-dev] [otish] "Why ZeroMQ"

Oliver Smith oliver at kfs.org
Tue Jul 27 15:24:07 CEST 2010

On 7/27/2010 6:11 AM, Matt Weinstein wrote:
> Yes, which layer _are_ we naming, policy or implementation?
> I think the STREAM part encapsulates the policy, IN/OUT the specific
> node type.
"node" assumes you only have a single socket :) For example, if you are 
simply delegating a piece of work through a pipeline to a single [pool 
of] worker[s], you have { master } -pipeline-> {worker}. But if you are 
using workers to extract work from a tree structure, for example, you 
might have { master } -pipeline-> {worker} -pipeline-> {worker}. If you 
are performing a reduction, such as having many workers extra leaf 
values from a tree, you may have a far more complex system with pipes 
going in multiple directions, ultimately coming back to the "master".

So it seems far better IMO to name the socket types for the type of 
communication pattern they support. And INSTREAM and OUTSTREAM seem to 
do that without intruding on the types of node you are actually 

- Oliver

More information about the zeromq-dev mailing list