[AG-TECH] Use AG on LAN

[Andrew Rowley]

Hi,

I am assuming that you want to test without connecting to a real network
i.e. the only network in this test will be the cross-over cable.  In this
case, you will probably not be able to connect to a venue server and
therefore you will also need to run this on one of your machines.

Multicast will probably not work on this private network as there is no
router to configure.  Multicast relies on routers to set up the multicast
using IGMP.  You will have broadcast but not multicast.  If you do not know
if you have multicast set up on your local router, you probably don't.

To communicate with multicast, you do not change your machines' IP
addresses.  Instead you just specify a multicast address to send to and
receive from.  This should send messages to your router to tell it that you
want to join the multicast channel.  Therefore, just specify some multicast
IP addresses in the venue management tool.

Andrew :)

============================================
Access Grid Support Centre,
RSS Group,
Manchester Computing,
Kilburn Building,
University of Manchester,
Oxford Road,
Manchester, 
M13 9PL, 
UK
Tel: +44(0)161-275 0685
Email: Andrew.Rowley at manchester.ac.uk 

-----Original Message-----
From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov] On Behalf
Of Giosuè
Sent: 03 March 2005 18:23
To: ag-tech at mcs.anl.gov
Subject: [AG-TECH] Use AG on LAN

I'm Giosuè a student of Computer Science Department of the University of
Bari - Italy -
and i'm working with Access Grid 2.3 for my thesis "Building and Setting of
a Node for Access Grid". 

Have some questions about "How install and configure an Access Grid Node".

I must to do a test with 2 PC, an is Windows XP Home machine while the
another is a Fedora Core 3, where both run AG 2.3.
My department has for me only this machines, where i linked their with a
cross cable.
Windows XP machine has IP address 192.168.0.1 and Fedora has 192.168.0.2,
subnet mask is 255.255.255.0 like a normal private LAN.
Will run on Win XP only display service and on Fedora runs "audio" and
"video producer service" and "venue server".

My questions are?

1. Is possible to create an Access Grid Node with this LAN configuration?

2. If possible what can i do for building a node? Is multicast actived?
   
3. If add a venue (e.g. TestRoom) into "Venue Management" in the "Addressing
tab" is required a IP multicast address for video e audio stream, therefore
i must change ip address machine 192.168.0.1 into 224.0.0.1 (Win XP machine)
and 192.168.0.2 into 224.0.0.2 (Fedora machine) for example. Is correct this
procedure? If wrong, what do i do?

I read all document about AG, but my case is different.
For example when i required a valid certificate for each services i have
used like valid name machine "root.localhost.localdomain".
I tried to use "venue client" to connect at
https://venues.ncsa.uiuc.edu:9000/Venues/default and AG work fine.

Can you give me some suggestion?

Tank yours support.

Computer Science Department - University of Bari (Italy) (www.di.uniba.it)
Giosuè Vizzuso
e-mail: coordinate at virgilio.it