{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9647878","patent":{"patent_number":"US-9647878","title":"Announcement method, device and system","assignee":null,"inventors":[],"filing_date":"2013-06-08T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L"],"num_claims":11,"abstract":"An announcement method, apparatus and system are provided. The method includes: an announcement node configuring sending ports of the announcement node in a first region and a second region, wherein, the first region and the second region apply different network protection switching technologies; the announcement node acquiring a protection switching request sent from the first region; and the announcement node sending the protection switching request to the second region through the sending port corresponding to the second region, wherein, a post-switching link state of the first region is contained in the protection switching request, and under a situation that the post-switching link state of the first region is inconsistent with a current link state of the second region, the second region needs to perform protection switching and otherwise does not need to perform the protection switching."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Announcement method, device and system","description":"An announcement method, apparatus and system are provided. The method includes: an announcement node configuring sending ports of the announcement node in a first region and a second region, wherein, ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9647878","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-9647878","citation_suggestion":"Patentable. \"Announcement method, device and system\" (US-9647878). https://patentable.app/patents/US-9647878","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9647878","json":"https://patentable.app/api/llm-context/US-9647878","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:29:25.177Z"}