Patent · US Active

Secure and seamless WAN-LAN roaming

US7978655B2 · kind B2 · utility

7Cited by
2References
8Claims
0Family size

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Inventors

Key dates

Filing dateJul 21, 2004
Grant dateJul 12, 2011
Priority date
Expiry dateMay 15, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L69/14
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

Systems and methods are described for secure and seamless roaming between internal and external networks. Double and triple tunnels may be used to connect a mobile node to a correspondent host. A mobile node may include the ability to connect to two networks simultaneously to enable seamless roaming between networks.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.