{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9628172","patent":{"patent_number":"US-9628172","title":"Optimization of photonic services with colorless and directionless architecture","assignee":null,"inventors":[],"filing_date":"2014-11-26T00:00:00.000Z","publication_date":"2017-04-18T00:00:00.000Z","cpc_codes":["H04B","H04J","H04J"],"num_claims":18,"abstract":"A method, in a node operating in a network with a control plane, to optimize wavelength retuning on service redials, includes detecting a failure on a link associated with the node; and, for each affected connections on the link, sending a respective release message to an associated originating node via the control plane, the release message including a protect path and a wavelength, wherein the release message is utilized by the associated originating node to redial the affected connections with the protect path and the wavelength determined by the node, to minimize wavelength retuning on the affected connections."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optimization of photonic services with colorless and directionless architecture","description":"A method, in a node operating in a network with a control plane, to optimize wavelength retuning on service redials, includes detecting a failure on a link associated with the node; and, for each affe","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9628172","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-9628172","citation_suggestion":"Patentable. \"Optimization of photonic services with colorless and directionless architecture\" (US-9628172). https://patentable.app/patents/US-9628172","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9628172","json":"https://patentable.app/api/llm-context/US-9628172","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:08:36.149Z"}