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|bgcolor = "#808080"|<font color="#CCFFFF">'''Prior art Problems'''</font><br>|bgcolor = "#808080"|<font color="#CCFFFF">'''Solutions'''</font><br>|bgcolor = "#808080"|<font color="#CCFFFF">'''Patent number'''</font><br>
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|align = "justify"|'''1.''' A central system has limited visibility of containers in the global supply chain.<br>'''2. '''Drawback of the central system is the delay in alerts concerning the container.<br>'''3. '''Typical central systems have difficulty in collecting reliable information across heterogeneous systems.<br>