While number of P2P protocols have been developed in OverSim, is there any support for social overlay networks in same simulator?
I have gone through number of research papers of P2P technology using OverSim but didn't found anything related to social networks using oversim. I was trying to create social graph (normal graph in oversim). To make it a social network, I tried connecting edges by adding social interest. But i'm getting confused about how to apply P2P protocol such as chord (structured P2P) or Gia (unstructured P2P) to the social network created.
To generate specific social overlay graph (specifying nodes and edges) and apply P2P protocol in OverSim are OverSim uses churn generators for simulating non-static networks. The different churn generators simulate different user behaviour and can be configured individually. Note: all churn generators use an "init phase" where nodes will be added to the network until targetOverlayTerminalNum is reached: On average every ".initPhaseCreationInterval" seconds, one node will be added. After all nodes have been added the so called transition phase starts, which is used to let the network stabilize before measurements begin. The duration of the transition phase is specified by the .transitionTime parameter. After the transition phase has ended, finally the measurement phase begins, in which statistics are collected. The duration of the measurement phase is specified by the .measurementTime parameter. At the end of the measurement phase the simulation ends.
Thank you very much sir for your reply.
Currently I'm working on two separate simulation for social overlay networks using OverSim tool. In my first simulation, I have used 8 churn generators, *.churnGenerator[0-7] of the following types ( 1 Lifetime Churn, 2 PareTo Churn and remaining 5 NoChurn):
**.churnGeneratorTypes = "oversim.common.NoChurn oversim.common.NoChurn oversim.common.LifetimeChurn oversim.common.ParetoChurn oversim.common.ParetoChurn oversim.common.NoChurn oversim.common.NoChurn oversim.common.NoChurn".
What I observed in simulation is that, network partitions simply gets increased on increasing number of churn generators.And it follows Chord ring structure (re.png attached below). However, there are not any social interest added to the peers. As you mentioned sir,
"The different churn generators simulate different user behaviour and can be configured individually" : Does this act similar to adding social behaviour to peer nodes?
In my second simulation, (image random.png below), i created file (.ned) for random topology with 1000 nodes and 1183 edges.And to make it social network, I'm trying to create separate files i.e. .cc, .h. In those files, I'm trying to create a compound module with various social interest and specifying user as submodule, as given below:
i.e. module social_interest_1
{//
}
module Social_interest_2
{//
}
network Network
{
submodules:
user0: social_interest_1;
user1: social_interest_2;
.
.
.
}
But in second simulation, random.png, the network is not using any overlay (application layer) protocol like chord.
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