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2 @chapter Emulation |
2 @chapter Emulation |
3 @anchor{chap:Emulation} |
3 @anchor{chap:Emulation} |
4 |
4 |
5 ns-3 has been designed for integration into testbed and virtual machine |
5 ns-3 has been designed for integration into testbed and virtual machine |
6 environments. We have addressed this need by providing two kinds of |
6 environments. We have addressed this need by providing two kinds of |
7 net devices. The first kind, which we call an @code{Emu} @code {NetDevice} |
7 net devices. The first kind, which we call an @code{Emu} @code{NetDevice} |
8 allows ns-3 simulations to send data on a ``real'' network. The second kind, |
8 allows ns-3 simulations to send data on a ``real'' network. The second kind, |
9 called a @code{Tap} @code{NetDevice} allows a ``real'' host to participate |
9 called a @code{Tap} @code{NetDevice} allows a ``real'' host to participate |
10 in an ns-3 simulation as if it were one of the simulated nodes. An ns-3 |
10 in an ns-3 simulation as if it were one of the simulated nodes. An ns-3 |
11 simulation may be constructed with any combination of simulated, @code{Emu}, |
11 simulation may be constructed with any combination of simulated, @code{Emu}, |
12 or @code{Tap} devices. |
12 or @code{Tap} devices. |