{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9831942","patent":{"patent_number":"US-9831942","title":"Methods and systems for recovery in coherent optical networks","assignee":null,"inventors":[],"filing_date":"2015-03-31T00:00:00.000Z","publication_date":"2017-11-28T00:00:00.000Z","cpc_codes":["H04B","H04J","H04J","H04Q","H04Q"],"num_claims":18,"abstract":"A method for receiving, by circuitry of an optical node adapted for wavelength multiplexing and wavelength switching, over an OSC an optical signal comprising overhead information indicative of status of at least one of an optical layer in an OTN; terminating the optical signal; notifying software of the status of the optical layer; detecting, based on the status of the optical layer, a uni-directional or bi-directional failure of a working path between the optical node and a second optical node, wherein the working path carries data traffic from the first optical node to the second optical node in the OTN when there is no failure in the working path; and switching, triggered by the uni-directional or bi-directional failure of the working path, to select the data traffic from a protection path, wherein the protection path carries data traffic between the optical node and the second optical node."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and systems for recovery in coherent optical networks","description":"A method for receiving, by circuitry of an optical node adapted for wavelength multiplexing and wavelength switching, over an OSC an optical signal comprising overhead information indicative of status","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9831942","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-9831942","citation_suggestion":"Patentable. \"Methods and systems for recovery in coherent optical networks\" (US-9831942). https://patentable.app/patents/US-9831942","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9831942","json":"https://patentable.app/api/llm-context/US-9831942","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:26:43.611Z"}