{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11502940","patent":{"patent_number":"US-11502940","title":"Explicit backups and fast re-route mechanisms for preferred path routes in a network","assignee":null,"inventors":[],"filing_date":"2020-10-28T00:00:00.000Z","publication_date":"2022-11-15T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L"],"num_claims":20,"abstract":"A method implemented by a network element (NE) in a network, comprising receiving, by the NE, an advertisement comprising preferred path route (PPR) information and backup PPR information, the PPR information describing a PPR between a source and a destination in the network, the backup PPR information describing a backup PPR between the source and the destination, the PPR information comprising a PPR identifier (PPR-ID) and a plurality of PPR description elements (PPR-PDEs) each representing an element on the PPR, updating, by the NE, a local forwarding database to include the PPR information and the backup PPR information in association with a destination address of the destination, and transmitting, by the NE, a data packet based on the backup PPR information instead of the PPR information in response to an element on the PPR being unavailable due to a failure of an element along the PPR."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Explicit backups and fast re-route mechanisms for preferred path routes in a network","description":"A method implemented by a network element (NE) in a network, comprising receiving, by the NE, an advertisement comprising preferred path route (PPR) information and backup PPR information, the PPR inf","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11502940","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-11502940","citation_suggestion":"Patentable. \"Explicit backups and fast re-route mechanisms for preferred path routes in a network\" (US-11502940). https://patentable.app/patents/US-11502940","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11502940","json":"https://patentable.app/api/llm-context/US-11502940","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:25:08.497Z"}