Packet transmission method and packet transmission device
US8625588B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2010 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Sep 14, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/24
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A packet transfer method in a network apparatus that transfers packets is disclosed. In the packet transfer method, a sending side apparatus generates two copies of a send packet, provides a sequence number identifying the same sending sequence to each of the copied packets, provides an identifier corresponding to a send/receive pair to each of the copied packets to send the packets, and a receiving side apparatus receives each of the packets with two receiving units; recognizes the identifiers each corresponding to a send/receive pair; identifies packets having the same information and the sequence based on the sequence number when the identifiers are the same; selects one of the packets of the same sequence so as to send the packet downstream, and discards another packet, wherein, when only one of the packets of the same sequence arrives, the arriving packet is sent downstream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.