{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9680793","patent":{"patent_number":"US-9680793","title":"Secure in-band signaling method for mobility management crossing firewalls","assignee":null,"inventors":[],"filing_date":"2016-03-28T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04W","H04W","H04W"],"num_claims":20,"abstract":"An in-band signaling method that enables secure updates of a care-of-IP address for a mobile host that roams between access networks. In the illustrative embodiment described herein, a mobile host includes an intelligent interface that handles IP networking functions and tunnels IP packets between the mobile host and the mobile host's home agent/remote access server (HA/RAS) transparently, as if the mobile host established a connection to a communicating or destination host (DST) from the home network (where the HA/RAS resides). In accordance with an aspect of the invention, there is provided an in-band signaling method that employs encrypted three-way handshake signaling messages that are embedded in encapsulated IP packets to enable care-of IP address updates. This method can effectively protect mobile hosts from denial-of-service attacks and is transparent to NAT/NAPT firewalls. The signaling messages are communicated between the home agent and the mobile host, in a manner transparent to any NAT/NAPT firewall in the network."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Secure in-band signaling method for mobility management crossing firewalls","description":"An in-band signaling method that enables secure updates of a care-of-IP address for a mobile host that roams between access networks. In the illustrative embodiment described herein, a mobile host inc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9680793","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-9680793","citation_suggestion":"Patentable. \"Secure in-band signaling method for mobility management crossing firewalls\" (US-9680793). https://patentable.app/patents/US-9680793","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9680793","json":"https://patentable.app/api/llm-context/US-9680793","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:48:47.005Z"}