<PARAMS>
    <testcases>1</testcases>
    <FLOWDEF>~/tmp</FLOWDEF>
    <CASE1>       
        <destination>h6</destination>
    </CASE1>       
    <PING>
        <source1>h6</source1>
        <target1>h31</target1>
        <source2>h8</source2>
        <target2>h33</target2>
    </PING>
    <LINK>
        <begin>s1</begin>
        <end>s2</end>
    </LINK>
</PARAMS>