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Re: [ecf-dev] avoid broadcast
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Hi Abhisek, Markus, and all,
I would like to jump in here and make the following suggestion :) If
others think this is a good idea, then someone can open a documentation
enhancement request/bug.
For each of the discovery providers that ECF now supports (zeroconf,
xmlfile-based discovery, service locator protocol (slp), and apache
zookeeper), I think we should put together a wiki page(s) that describes
how the discovery can be configured...for lans, wans, etc.
For example, what are the system properties that the discovery provider
understands/can respond to, and how it affects the discovery
communication? As well, we should have in one reference location a
description of the ECF OSGi service properties that can be used to
customize the discovery for any/all providers (e.g. the service uri, the
service name, etc...I'll bet you didn't know these things could be
customized, but they can :-).
I expect that questions like Abhisek's about configuring the various
discovery providers (in particular) will be fairly common, and so I
believe it makes sense to get out in front of this sort of request prior
to the release.
I can't currently commit to doing this myself right away...so apologize
for suggesting work that must be done by others. But I suspect that if
we all contribute to coordinate our work on this documentation, then it
can/will go pretty quickly and easily...and be very useful for any/all
consumers of ECF remote services.
Any takers? How would the discovery contributors in the ECF community
like to coordinate work on this? I think that Markus, as the discovery
API lead should probably decide how/whether/when to do this and how to
get consistency in format (e.g. template?), so I'll leave those choices
to him.
Make sense?
Thanks,
Scott
abhisek saikia wrote:
Hi Macus
Can i configure a set of ips only to be discovered.?
Thanks and Regards
Abhisek
On Fri, May 21, 2010 at 1:59 PM, Markus Alexander Kuppe
<ecf-dev_eclipse.org <http://ecf-dev_eclipse.org>@lemmster.de
<http://lemmster.de>> wrote:
On 05/21/2010 10:12 AM, abhisek saikia wrote:
> Hi
> I am using ECF generic and jmdns discovery.How can i avoid
broadcast
> of remote service.Is there any way to specify ip and port range to
> broadcast?
Hi Abhisek,
JmDNS does not use broadcast but multicast and the spec defines the
multicast group "224.0.0.251" and port "5353" respectively. If needed,
the port can be tweaked by "net.mdns.port". If you also need to adjust
the multicast group, you will have to file an enhancement request
upstream [0].
Btw. if you want to disable discovery completely, just undeploy the
jmdns provider.
Markus
[0] http://jmdns.sourceforge.net/
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