{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9647937","patent":{"patent_number":"US-9647937","title":"Policy control using software defined network (SDN) protocol","assignee":null,"inventors":[],"filing_date":"2016-02-01T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L"],"num_claims":20,"abstract":"A network device includes an internal policy engine that makes local policy decisions for packet flows and controls policies applied by service modules and forwarding components of the network device. The policy engine interacts with an external policy server to receive policies using software defined networking (SDN) protocol as if the data plane of the network device were directly exposed to the external policy server by the SDN protocol."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Policy control using software defined network (SDN) protocol","description":"A network device includes an internal policy engine that makes local policy decisions for packet flows and controls policies applied by service modules and forwarding components of the network device.","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9647937","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9647937","citation_suggestion":"Patentable. \"Policy control using software defined network (SDN) protocol\" (US-9647937). https://patentable.app/patents/US-9647937","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9647937","json":"https://patentable.app/api/llm-context/US-9647937","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T14:40:40.912Z"}