{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9591047","patent":{"patent_number":"US-9591047","title":"Invalidation in a content delivery network (CDN)","assignee":null,"inventors":[],"filing_date":"2016-04-11T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":16,"abstract":"A content delivery (CD) service in a CDN maintains property invalidation information on said CD service including, for each property, a list of one or more group invalidation commands. New group invalidation commands are added by selectively merging one or more invalidation commands to form a merged invalidation command and inserting the merged invalidation command into said list, wherein the merging is based on a length of common prefix of elements in said list. A per property common prefix list is maintained for invalidation commands in each property list."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Invalidation in a content delivery network (CDN)","description":"A content delivery (CD) service in a CDN maintains property invalidation information on said CD service including, for each property, a list of one or more group invalidation commands. New group inval","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9591047","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-9591047","citation_suggestion":"Patentable. \"Invalidation in a content delivery network (CDN)\" (US-9591047). https://patentable.app/patents/US-9591047","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9591047","json":"https://patentable.app/api/llm-context/US-9591047","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:41:45.851Z"}