[brite-users] Questions on heavy tailed networks and preferential
amedina at bbn.com
Mon Jun 6 07:53:36 EDT 2005
The heavy-tailed option controls the placement of the nodes in the
plane. If you do not specify the HT option for node placement, then
nodes will be distributed sort of uniformly around the area of the
topology plane. Preferential attachment influences how new nodes connect
to the existing topology. A HT node placement influences the distances
between the nodes, and if the connectivity model used takes into
account such distances, then the topology produced will be different
with a HT node placement than otherwise.
>I am confused about heavy tailed networks and preferential attachment. Is
>heavy tailed and preferential attachment synonymous? Can one go without
>I ask this as BRITE seems to have an option where we can have a heavy
>tailed distribution with preferential connectivity = none.
>The following topologies can be selected in BRITE:
>1. Model = Router Waxman, Node placement = Heavy Tailed and preferential
>connectivity = none
>2. Model = Router Barabasi Albert, Node Placement = Heavy Tailed,
>Preferential connectivity = none
>What does this mean in terms of the output topology? I am not sure if I am
>missing something obvious. I would appreciate if there was an explanation
>of the same.
>brite-users mailing list
>brite-users at cs.bu.edu
Alberto Medina, Ph.D.
Internetwork Research Department
10 Moulton Street #6/560
Cambridge, MA 02138
email: amedina at bbn.com
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