{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8463120","patent":{"patent_number":"US-8463120","title":"Method, system and node device for realizing service protection in automatically switched optical network","assignee":null,"inventors":[],"filing_date":"2008-09-29T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["H04J","H04L","H04L"],"num_claims":8,"abstract":"A method for realizing service protection in the automatically switched optical network includes following steps: after any defect occurs on the working paths that carry the service, the first node and the last node of the working paths sends the requests to restore the paths setup in opposite directions, respectively; at least one intermediate node in the restoration path establishes a connection according to the restoration path setup request, and forwards the restoration path setup request hop by hop, until the setup of the recovering path is finished; the service is switched from the working paths to the restoration paths. A system for realizing service protection and a node device in an ASON is also provided. The paths restoration process can be faster obviously using this invention, and the restoration time can be shortened, and the work efficiency and reliability can be improved, and the service can be ensured to be restored."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method, system and node device for realizing service protection in automatically switched optical network","description":"A method for realizing service protection in the automatically switched optical network includes following steps: after any defect occurs on the working paths that carry the service, the first node an","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8463120","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-8463120","citation_suggestion":"Patentable. \"Method, system and node device for realizing service protection in automatically switched optical network\" (US-8463120). https://patentable.app/patents/US-8463120","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8463120","json":"https://patentable.app/api/llm-context/US-8463120","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:33:40.589Z"}