Given your network architecture, I believe you are best off transferring from Cluster01 to Cluster02 only. However, you can use NAT by tricky use of GLOBUS_HOSTNAME and GLOBUS_TCP_PORT_RANGE, see the two NAT sections in http://dev.globus.org/wiki/FirewallHowTo

The cluster01<->cluster02 requirement isn't so bad if they have access to a shared filesystem with their compute nodes. Even as a client on the compute nodes you can run a third-party transfer between the two frontends.


Charles

On Jul 3, 2008, at 1:51 AM, Shayan Shahand wrote:

Dear all,

I came across a technical issue; I think it's better to take some advice from the community.

Imagine a network topology like the one illustrated in this pic : http://i30.tinypic.com/90vzfl.png with a GT container running on each node.

If, for example, I want to transfer a file directly from computenode-1 on cluster01 to computenode-9 on cluster02 how can I do that? Is there any service by GT to redirect the file transmission on frontend?
Does GT support NAT, if yes how can I use that?
Or how can I put the nodes from two cluster into a same VO and use them seamlessly?

Thanks in advance for your help.

Cheers,
Shayan

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