Fig. 1. Behavior-driven intent specification architecture for SDI management. Intents specified in English using the Gherkin language are interpreted by the Gherkin parser and translated by step functions into policies in the form of instructions for the underlying SDI management tools. The picture shows the specialized architecture for the case of a SDI based on NFV and SDN components, as well as the case of a firewall programmed with iptables.
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