{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477660","patent":{"patent_number":"US-8477660","title":"Method for updating filtering database in multi-ring network","assignee":null,"inventors":[],"filing_date":"2010-05-24T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":14,"abstract":"A method for updating a filtering database in a multi-ring network, includes: when the topology of a lower ring in a multi-ring network, in which a plurality of ring networks are connected by two ring connection nodes, is altered and the ring connection node detects the alteration in the topology of the lower ring, erasing, by the ring connection node, its filtering database; generating, by the ring connection node, a control message including a ring ID, a blockage flag, and an erasure flag; transmitting the control message in both directions of the ring; and determining, by a node which receives the control message, to erase a filtering database by referring to and correcting the blockage and erasure flag information included in the control message."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for updating filtering database in multi-ring network","description":"A method for updating a filtering database in a multi-ring network, includes: when the topology of a lower ring in a multi-ring network, in which a plurality of ring networks are connected by two ring","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477660","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-8477660","citation_suggestion":"Patentable. \"Method for updating filtering database in multi-ring network\" (US-8477660). https://patentable.app/patents/US-8477660","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477660","json":"https://patentable.app/api/llm-context/US-8477660","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:05:48.705Z"}