Beacon in AG 2.0
Ivan R. Judson
judson at mcs.anl.gov
Tue Feb 4 13:19:19 CST 2003
No problem, thanks for getting back to me!
--Ivan
> -----Original Message-----
> From: Mitch Kutzko [mailto:mitch at ncsa.uiuc.edu]
> Sent: Tuesday, February 04, 2003 1:02 PM
> To: judson at mcs.anl.gov
> Cc: NLANR Multicast Beacon
> Subject: Re: Beacon in AG 2.0
>
>
> At 01:14 PM 1/30/2003 -0600, you wrote:
> >
> > Hey Mitch,
> >
> > I chatted with you a bit at SC02 about the beacon, some
> ideas we have
> > and our plans for AG 2.0. This email is hopefully going to
> kick start
> > a discussion that ends in us finding a way to incorporate
> some version
> > of the beacon in the AG 2.0 software release. This is
> prompted by the
> > fact that we're going to alpha next week and we have
> promised beacon
> > like functionality as a 'core' part of AG2.0. It's my fault
> this has
> > taken so long to get to you, sorry about that.
> >
> > Anyhow, what we're thinking we'd like to see for a
> "monitor" (you'll
> > see why I'm using this name instead of beacon in a minute, I hope):
> >
> > - a peer to peer service (ie no centralized server)
> > We think the way to replicate the current functionality
> would be to
> > have each beacon peer connect to all other beacon peers
> forming a full
> > TCP mesh. This sounds crazy if you're considering the
> beacon the way
> > it's used now; but we're talking about moving to a model where you
> > only monitor the connectivity among the users in the same virtual
> > venue, which scopes this mesh to a reasonable size, for now :).
> >
> > - the ability to give it a set of addresses to monitor
> > We want to monitor connectivity on all media layers, plus the
> > traditional beacon layer for "base" connectivity. This gives us a
> > richer set of information about connectivity.
> >
> > - RTCP monitoring, data over RTP
> > This would make the monitor traffic look like any other
> media stream
> > to the AG, which would make it more integrated (we could actually
> > record and playback beacon data from our voyager server :-).
> >
> > - the ability to log this data locally.
> >
> > If you have any questions or thoughts feel free to drop
> me/us email.
> > I'd love to hear back from you so we can figure out how to
> move ahead.
> >
> > Hope things are going well with you,
>
> Hey, Ivan -- Good to hear from you!
>
> Tony and I will need to talk about this, and he's off at the
> Joint Techs meeting this week, so it'll be sometime next week
> before we can get back to you.
>
> Hope life is treating you well, too....
>
> Take care!
>
> Mitch
> --
> Mitch Kutzko | mitch at dast.nlanr.net | mitch at ncsa.uiuc.edu |
> 217-333-1199 http://hobbes.ncsa.uiuc.edu/
>
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