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Hub-and-Spoke Overlay <strong>VPN</strong> Topology<br />
<strong>VPN</strong> Categorizations<br />
There are three major <strong>VPN</strong> categorizations:<br />
■ Topology categorization, which only applies to overlay <strong>VPN</strong>s<br />
■ Business categorization, which categorizes <strong>VPN</strong>s based on the business needs<br />
they fulfill<br />
■ Connectivity categorization, which classifies <strong>VPN</strong>s based on their<br />
connectivity requirements.<br />
Copyright © 2002, Cisco Systems, Inc. <strong>MPLS</strong> <strong>VPN</strong> <strong>Technology</strong> 37
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