-->
- <host id="S1" power="1gf"/>
- <host id="C1" power="1gf"/>
- <host id="S2" power="1gf"/>
- <host id="C2" power="1gf"/>
+ <host id="S1" power="1Gf"/>
+ <host id="C1" power="1Gf"/>
+ <host id="S2" power="1Gf"/>
+ <host id="C2" power="1Gf"/>
<router id="R1"/>
<router id="R2"/>