[zeromq-dev] Does ZMQ "Over Send" Using OpenPGM
Steven McCoy
steven.mccoy at miru.hk
Wed Oct 27 13:54:39 CEST 2010
On 27 October 2010 18:39, Martin Sustrik <sustrik at 250bpm.com> wrote:
> So what you are saying is that when you join a multicast group, network
> stack has no concept of individual application, so you'll get all the
> packets received on the particular interface, even those that other apps
> have subscribed to.
>
> Example:
>
> Application A subscribes for 239.0.0.1
> Application B subscribes for 239.0.0.2
>
> When packet arrives on 239.0.0.1 it is dispatched to both A and B.
>
> Right?
>
>
Correct on Linux, WinSock filters it out which is why that stack is slower.
--
Steve-o
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