{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8515280","patent":{"patent_number":"US-8515280","title":"Physically-diverse routing in heterogeneous optical networks","assignee":null,"inventors":[],"filing_date":"2010-12-13T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["H04J","H04J","H04J"],"num_claims":23,"abstract":"Systems and methods are described that provide a two-step, physically-diverse optical routing. A diverse routing is formulated using Integer Linear Programming (ILP) to find feasible routes having a minimum estimated cost, and post-processing the feasible routes on an auxiliary cost graph to optimize regenerator and terminal Optical Transponder (OT) placement and wavelength assignment."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Physically-diverse routing in heterogeneous optical networks","description":"Systems and methods are described that provide a two-step, physically-diverse optical routing. A diverse routing is formulated using Integer Linear Programming (ILP) to find feasible routes having a m","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8515280","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-8515280","citation_suggestion":"Patentable. \"Physically-diverse routing in heterogeneous optical networks\" (US-8515280). https://patentable.app/patents/US-8515280","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8515280","json":"https://patentable.app/api/llm-context/US-8515280","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:18:15.460Z"}