{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9639388","patent":{"patent_number":"US-9639388","title":"Deferred assignment of devices in virtual machine migration","assignee":null,"inventors":[],"filing_date":"2015-09-30T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F"],"num_claims":20,"abstract":"Systems and methods for deferred assignment of devices in virtual machine migration. An example method comprises: starting, by a processing device of a first host computer system, a virtual machine being migrated from a second host computer system in a post-copy migration mode; receiving a request to associate an input/output (I/O) device with the virtual machine; and responsive to receiving, from the second host computer system, one or more memory pages comprised by a memory buffer associated with the I/O device, performing at least one of: associating an identifier of the I/O device with the memory buffer or allowing the virtual machine to access the I/O device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Deferred assignment of devices in virtual machine migration","description":"Systems and methods for deferred assignment of devices in virtual machine migration. An example method comprises: starting, by a processing device of a first host computer system, a virtual machine be","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9639388","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-9639388","citation_suggestion":"Patentable. \"Deferred assignment of devices in virtual machine migration\" (US-9639388). https://patentable.app/patents/US-9639388","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9639388","json":"https://patentable.app/api/llm-context/US-9639388","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:20:15.570Z"}