input_taz.taz.xml

<?xml version="1.0" encoding="iso-8859-1"?>
<tazs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/taz_file.xsd">
    <taz id="1">
        <tazSource id="a1" weight="1"/>
        <tazSink id="a2" weight="1"/>
    </taz>
    <taz id="2">
        <tazSource id="b1" weight="1"/>
        <tazSink id="b2" weight="1"/>
    </taz>
</tazs>