[omniORB] Does omniORB support IP multicast?

[Glenn A. Hochberg]

This is a multi-part message in MIME format.
--------------A72E3A90E92DFF1F6A4B39D6
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

FYI, Iona has a product called OrbixTalk that is a multicast event service, however
it is non-standard and costs $$.

    -Glenn

Jonathan Gallmeier wrote:

> Duncan Grisby wrote:
> >
> > On Monday 11 October, Jonathan Gallmeier wrote:
> >
> > > This might be a silly question, but I have not seen any info about this.
> > > Does omniORB
> > > support (UDP) IP multicast?
> >
> > No it does not. For normal CORBA requests, multicast would not be
> > useful, since a CORBA request has a single target object. Multicast
> > could be useful for event or notification services which are layered
> > on top of CORBA, but we have no plans to support such things.
> >
> > What in particular do you wish to achieve?
>
> I'm working on a project where I have one machine generating data that
> must be distributed
> to N machines equally, as fast as possible using a painfully slow link
> (~9600 bps at best).
> To make matters worse, the network hardware that controls this slow data
> link is arbitrated
> such that I am not guaranteed immediate access to the network link. I
> would like to avoid
> sending the data set N times over the network. What I really want is a
> cross between the trader
> service and the event service (and a federated name service), I think. I
> digress...
> This all raised the question as to a typical implementation of the event
> service. From what I
> have seen, the event service would end up sending my data N times over
> this slow network anyway,
> hence my original post.
>
> jonathan
>
> <snip>
>
> > Duncan.
> >
> > --
> >  -- Duncan Grisby  \  Research Engineer  --
> >   -- AT&T Laboratories Cambridge          --
> >    -- http://www.uk.research.att.com/~dpg1 --
>
> --
>
> -------------------------------------------------------------------------------
> Jonathan Gallmeier                | We act a though comfort and luxury
> were
> email : jonathan@arlut.utexas.edu | chief ingredients of happiness, when
> all
> office: (512) 835-3812            | we really wanted was something to be
> FAX   : (512) 835-3808            | excited about. - Anonymous
> -------------------------------------------------------------------------------

--------------A72E3A90E92DFF1F6A4B39D6
Content-Type: text/x-vcard; charset=us-ascii;
 name="ghochberg.vcf"
Content-Transfer-Encoding: 7bit
Content-Description: Card for Glenn A. Hochberg
Content-Disposition: attachment;
 filename="ghochberg.vcf"

begin:vcard 
n:Hochberg;Glenn
tel;fax:973 236-6019
tel;work:973 236-6638
x-mozilla-html:TRUE
org:<div align=center><img src="http://www.att.com/images/attlogo_n9050.gif" width=90 height=50></div>;Software Practices & Technology
version:2.1
email;internet:ghochberg@att.com
title:Senior Technical Staff<br><b>AT&T Labs
adr;quoted-printable:;;AT&T Labs - Shannon Laboratory<br>=0D=0ARoom 2A21, Building 104<br>=0D=0A180 Park Avenue<br>=0D=0AP.O. Box 971;Florham Park;N.J.;07932-0971;USA
x-mozilla-cpt:;-10720
fn:Glenn Hochberg
end:vcard

--------------A72E3A90E92DFF1F6A4B39D6--