Multiprotocol Label Switching (MPLS) security is not for the faint hearted. However, like most information technology, understanding basic principles and having a policy founded on sound principles allows an administrator to sleep at night knowing the networks are secure.  A policy for employing thoughtful and conservative essential practices and having quality assurance practices to ensure continuity of secure operations is one of those basic principles.  An antithetical principle is that when a criminal takes control of your systems, bad things are going to happen.

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