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Fishing Vessel Monitoring Systems: Past, Present and Future

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VMS: <strong>Past</strong>, <strong>Present</strong> <strong>and</strong> <strong>Future</strong> 38<br />

centralized organization would provide a clearinghouse for queries on vessels,<br />

distributing the queries to all members <strong>and</strong> channelling the responses back to the<br />

originator of the query.<br />

Star (centralized) network<br />

• One country takes central role in date<br />

switching <strong>and</strong> routeing<br />

Country<br />

2<br />

3<br />

Country 1<br />

Illustration 6.1 <strong>and</strong> 6.2: two network structures for regional cooperation<br />

4<br />

Decentralized network<br />

• Each country maintains independence<br />

2<br />

Country<br />

1<br />

Public data network<br />

3 4<br />

n<br />

n<br />

5

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