Packet forwarding apparatus having gateway selecting function
US7835355B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 30, 2007 |
| Grant date | Nov 16, 2010 |
| Priority date | — |
| Expiry date | Oct 20, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/5692
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Packet forwarding apparatus comprises a plurality of line interfaces and a protocol processing unit for controlling packet forwarding among the line interfaces and for forwarding a connection initiation request packet received from a user terminal to a plurality of redundant gateways, wherein the protocol processing unit has a management table for storing forwarding control information to control forwarding of communication control packets for each user terminal, selectively forwards one of response packets replied from the plurality of gateways in response to the connection initiation request packet to the requester user terminal and discards the other response packets based on the forwarding control information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.