VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
US9124531B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2013 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Oct 25, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/4641
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A data communication apparatus to be coupled to a first network and a Multiprotocol Label Switching (MPLS) network, includes a receiving unit which receives a data including header information indicating a destination and first header information used to identify a first Virtual Private Network (VPN) in the first network. The apparatus also includes a transmitter which transmits data having added thereto a MPLS header information used to identify one of the plurality of second VPNs in the MPLS network, the MPLS header information corresponding to both the header information indicating the destination and the first header information used to identify the first VPN in the first network included in the received data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.