All things related to multicast

[Steven Senger <>]

I assume this last remark was directed at me since I do listen to  
this list and I'm involved in the problem Russ is describing on our  
behalf ;-) As soon as I get out of class here I'll reply with more  
details of the problems we have seen.

- steve

On Oct 25, 2005, at 9:39 AM, Russ Hobby wrote:

> I wasn't directly involved with the problem or the solution but I  
> will get the details and report back. (or if any of you on the list  
> were involved you can report directly ;-)
>
> Russ
>
> At 06:01 AM 10/25/2005, Russ Hobby wrote:
>
> > Hi All,
> >
> > I have been asked a question from a researcher who's project has  
> > been trying to use multicast for some time with many problems, and  
> > she asked me "Are we trying to do the impossible?"
> >
> > Their particular use of multicast relies on multiple multicast  
> > connections and for them to be set up in a timely fashion.  It is  
> > the setup time for a connection with which they have been having  
> > trouble.  Connections can take up to several minutes to be  
> > established.  They have worked the problem out with a couple of  
> > campuses and a gigapop to get it to work (which had to wait for  
> > new router codes to be installed in several places).  However  
> > every time they go to a new site, they are likely to have the  
> > problem again and they have to work it through those network  
> > engineers.
> >
> > So the researcher is asking if they should give up on multicast  
> > and redesign their application.  What do you think?
> >
> > Russ