Patent · US Active

Method for obtaining DNS and tunnel gateway device

US9300622B2 · kind B2 · utility

2Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 2011
Grant dateMar 29, 2016
Priority date
Expiry dateDec 16, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2101/686
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a tunnel gateway device used for: receiving a domain name system (DNS) server address for an inner layer or outer layer service of a tunnel configured by an automatic control server according to a management protocol; and taking its own address as the DNS server's address and sending the address to a client, or sending the configured DNS server address to the client. The present invention also provides a method for obtaining the DNS, and the present invention implements the DNS server distribution and obtaining of the DNS without depending on the address protocol.

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