[zeromq-dev] Guaranteed message delivery to mobile device

Pieter Hintjens ph at imatix.com
Sun Dec 15 18:40:23 CET 2013

Use a router (server) to dealer (device) pattern so you can route to
clients explicitly and manage queues and acks yourself.

On Sun, Dec 15, 2013 at 5:48 PM, Michael Feingold <mfeingold at hill30.com> wrote:
> What is the recommended way to implement this with PUB/SUB?
> Let me clarify what I need: By guaranteed delivery I mean that a message
> published to a topic should be delivered exactly once. The message is
> considered to be delivered upon the client delivery. confirmation. If at the
> moment of publishing there is no subscribers the message should wait for the
> specified amount of time, and if a subscriber is not connected within this
> time window the message should be discarded.
> My primary target here is to provide a mechanism for devices intermittently
> connected (sometimes on sometimes off)
> What do you think?
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