DNS server, gateways and methods for managing an identifier of a port range in the transmission of data
US9602333B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2011 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Feb 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2101/695
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A DNS server (110) and to a method of managing a DNS request, the method comprising receiving (E2) a DNS request for accessing a remote application (104B) accessible via a gateway (106B) and sending (E3) a DNS response including the IP address of the gateway (106B), the method further comprising a verification for determining whether a port range identifier is stored in the DNS server (110) in association with the IP address of the gateway (106B), and if so, the identifier is inserted in the DNS response before sending the DNS response. The invention also provides a method of transmitting data from a first gateway (106A) to a second gateway (106B), a method of transmitting data from a gateway (106B) to a server (102B) of a local network (LAN_B), and the gateways (106A, 106B) for performing such methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.