[zeromq-dev] Handling disconnections; was:Questions about socket errors

Brian Granger ellisonbg at gmail.com
Thu Feb 11 20:49:52 CET 2010


On 2/11/10, Steven McCoy <steven.mccoy at miru.hk> wrote:
> On 11 February 2010 02:12, Martin Sustrik <sustrik at 250bpm.com> wrote:
>
>> > I would imagine that a socket type that round robin distributes to a
>> > set of endpoints, would just skip
>> > any endpoint that disconnects?  What about reply/request queues or
>> multicast?
>>
>> REQ/REP doesn't work over multicast right now. I haven't seen a
>> compelling use case for the functionality by the way. If you have one,
>> please do share it.
>>
>>
> Note that REQ/REP over multicast is the most popular communication paradigm
> over TIBCO Rendezvous.  Multicast brings the following advantages:
>
> * Location independence - the client doesn't need to know where the server
> is.
> * Fault tolerance and load sharing - the servers decide between themselves
> how to handle requests whether primary-secondary or sharding of topic
> namespace.  You can transparently bounce servers without updating state in
> the clients.

I could imagine that this would be useful to us in certain situations.

Cheers,

Brian

> --
> Steve-o
>


-- 
Brian E. Granger, Ph.D.
Assistant Professor of Physics
Cal Poly State University, San Luis Obispo
bgranger at calpoly.edu
ellisonbg at gmail.com



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