[zeromq-dev] Discard old messages on XPUB before transmission

Steven McCoy steven.mccoy at miru.hk
Fri Jul 19 01:07:01 CEST 2013

On 18 July 2013 16:12, Diego Duclos <diego.duclos at gmail.com> wrote:

> I would have use for some of this stuff as well.
> However, I don't think it really feels at home in zmq itself ? What about
> a middleware layer between zmq and user apps that takes care of this ?
There is a cost on the send side, you would probably want to implement a
watermark a factor of the network latency and desired lifetime and still
gain some benefit from network batching.

It is technically feasible with PGM to kill the messages in the transmit
window such that NAKs will be denied and late joiners will not ask for them.

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