Subject: Simulation essay design.

From: Diego Pamio <[email-masked]>
Date: Thu, 8 Feb 2001 15:14:47 -0500 (EST)

Hi.
We are trying to simulate some ad-hoc routing protocols. As you may know,
there are serveral works in this area. While reading some of them, we found
out that those papers show, for example, the throughput of a netwok against
some variable, for instance, the mobility. Our question is: what happen with
the other parameters? Are they fixed? And if they are, how are they
obtained?
If some of this “fixed” values are changed, what happen with the curve shown
in the graph?

How can we know that one of this graphics won’t turn into the other…

T *************************     T *************************
H *                       *     H *                       *
R *oo                     *     R *o                      *
O *  ooo                  *     O *o                      *
U *     oooo              *     U * o                     *
G *___      oooooo        *     G *__o_____________       *
H *   |____       oooooooo*     H *   oo           |______*
P *        |________      *     P *     ooo               *
U *                 |_____*     U *        ooooooooooooooo*
T *************************     T *************************
MOBILITY                         MOBILITY
o   DSR
_   DSDV

…changing, for instance, the number of nodes involved in the network, or the
traffic pattern, or the total time of the simulation, etc.?

Should we vary this other variables (making all the posible combinations)
and then take the average value, or make some kind of data analysis? Or is
there an easier way to do a valid (and representative) simulation?

Thank you.

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