[zeromq-dev] Asynchronous Client-Server Pattern in ZGuide

Pieter Hintjens ph at imatix.com
Thu Nov 15 00:17:08 CET 2012


You're right, the text is wrong. The server and workers talk using
DEALER-to-DEALER. I'll fix the text, thanks for catching this.

-Pieter

On Thu, Nov 15, 2012 at 1:10 AM, Ilja Golshtein <ilejncs at narod.ru> wrote:
> Hello,
> Pieter,
> All.
>
> In ZGuide in "The Asynchronous Client-Server Pattern" section we have
> ==
> Workers get unaddressed messages, and we manage the connections from server thread to worker threads explicitly using a ROUTER socket as backend. This would require that workers start by telling the server they exist, which can then route requests to workers and track which client is 'connected' to which worker. This is the load-balancing pattern again.
> ==
>
> Since we are talking about Routers at workers' side, I am not sure why "This would require that workers start by telling the server they exist".
> It is server who should start a communication and he does it anyway.
>
> Actually switching from DEALER to ROUTER at worker's side requires reading and writing extra frame, which is identity.
>
> Do I miss something?
>
> Thanks.
>
>
>
> --
> Best regards
> Ilja Golshtein
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