Method of generating subflow entries in an SDN switch
US9467378B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2015 |
| Grant date | Oct 11, 2016 |
| Priority date | — |
| Expiry date | Apr 24, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/35
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method involving a Software-Defined Networking (SDN) switch. A packet is received onto a SDN switch via a NFX circuit. The NFX circuit determines that the packet matches no flow entry stored in any flow table in the NFX circuit and forwards the packet to a NFP circuit. The NFP circuit determines that the packet matches a first flow entry that applies to a relatively broad flow of packets stored in a flow table in the NFP circuit, generates a new flow entry that applies to a relatively narrow subflow of packets, and forwards the new flow entry to the NFX circuit that stores the new flow entry in a flow table in the NFX circuit. A subsequent packet is received onto the SDN switch via the NFX circuit and is switched using the new flow entry stored in the NFX circuit without forwarding the packet to the NFP circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.