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Re: [ns] how to get global topology ?
I don't know if it will exactly help you but read god.h and god.cc
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Amit Jain
Senior Undergraduate Work Phone : 91-(0)512-597653
Computer Science Department Home Phone : 91-(0)512-597311
Indian Institute Of Technology,
Kanpur - 208016
INDIA
On Wed, 14 Feb 2001, Pavan Verma wrote:
>
> I am simulating a fault-tolerance scheme that assumes the existence of a
> global-topology database. I've been trying to integrate LS with our
> scheme, so that I get the global topology at every node, which I can
> access from my agent type.
>
> The basic question I face is:
> How does Agent A1 (say of our type) sitting on node $n0 access the fields
> of Agent A2 (say of type LS) sitting on the same node ?
> Is this at all possible ? or will I have to mesh our code with the LS
> code to be able to access the global topology generated by rtProtoLS ?
>
> If its not possible to it this way, is there any way I can maintain a
> global topology at the simulator level rather than the node level..
>
> (a little question here: in the hierarchy is there anything higher than
> the node ?? eg the Simulator where I could add in our own fields like
> globalTopo etc. ?)
>
> which the nodes can simply access when they want to..
>
> for example , right at the beginning I could feed in the topology info
> into the field (say globalTopo) of the simulator instance as nodes and
> links are added, and when a link goes down or up, I could just modify the
> global topology instead of every node having to maintain a copy, since our
> scheme just assumes that all nodes have some way of accessing the global
> topology and I don't exactly have to simulate the creation and
> maintenance of the topology per se.
>
> Regards,
> Pavan.
>
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> Pavan Verma [email protected]
> Senior Undergraduate http://www.cse.iitd.ernet.in/~csu97136
> Computer Sc & Engg, IIT Delhi
>
> "I may appear to be just sitting here like a bucket of tapioca, but don't
> let appearances fool you. I'm approaching old age ... at the speed of light."
> -- Prof. Cosmo Fishhawk
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>