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The appeal of The Complete IS-IS Routing Protocol is the hole it plugs in the modern-day networking needs of thousands of service providers the world over. While service providers deploy advanced technologies like MPLS, VPNs and Traffic Engineering, there is a fundamental lack of understanding of the glue that holds these Autonomous Systems together. The Complete IS-IS Routing Protocol is a comprehensive way to empower growing number of ISPs network engineers, architects, and operators to truly understand IS-IS in depth and in a way they can use right away.