While writing the previous post I made a mistake in copying the excerpt
of my configuration file.
The actual one I am using is:
<Partitioning>
<GlobalPartition Address="224.0.0.42"/>
<NetworkPartitions>
<NetworkPartition Address="N2 N3 N4 N5" Connected="true"
Name="part"/>
</NetworkPartitions>
<PartitionMappings>
<PartitionMapping DCPSPartitionTopic="part.*"
NetworkPartition="part"/>
</PartitionMappings>
</Partitioning>
Sorry for the double post, and thanks again for any help you will
provide.
Regards,
Andrea
On Wed, 2012-01-11 at 11:34 +0100, Andrea Reale wrote:
> Hello everyone.
>
> I am confused on how the static discovery works related to network
> partitioning. In particular, here is my use case.
>
> On one node (call it N1), I run a domain participant with one data
> writer which writes some data to a topic 'T' in partition 'part'.
> The reliability QoS for the data writer is best-effort with KEEP_LAST
> history, and history.depth = 1.
>
> The ospl configuration for that node (N1) for what concerns network
> partitions is as follows:
>
> ...
> <Partitioning>
> <GlobalPartition Address="224.0.0.42"/>
> <NetworkPartitions>
> <NetworkPartition Address="N2 N3 N4 N5" Connected="true"
> Name="part"/>
> </NetworkPartitions>
> <PartitionMappings>
> <PartitionMapping DCPSPartitionTopic="part.*"
> NetworkPartition="inputoutput"/>
> </PartitionMappings>
> </Partitioning>
> ...
>
> N2, N3, N4, and N5 are the unicast ip addresses of other four potential
> domain participants.
>
> Now, if no data reader matching the data writer on N1 is started in the
> domain I see no traffic going out from N1 as one would expect.
> However, if I start exactly one data reader on -- for example -- N2 I
> see that N1 generates UDP traffic towards ALL the hosts in the partition
> (i.e., N2, N3, N4, N5) even though no opensplice instance is running on
> N3, N4 and N5. The destination port of these messages is 53370, the port
> of the best-effort channel.
>
> Is the behaviour normal? I would have expected that no traffic was
> generated towards the nodes not running opensplice...
>
>
> Thanks,
> andrea
>
>
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