Firewall cluster
US10715490B2 · kind B2 · utility
3Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2016 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Jan 25, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L67/1001
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A Software Defined Network (SDN) controller monitors load of Virtual FireWall (vFW) nodes in a firewall cluster in real time. When detecting that load of one or more vFW nodes is higher than a predefined first threshold, the SDN controller creates a new vFW node. The SDN controller selects a first flow, which is to be migrated, from flows passing through the monitored vFW nodes, updates a first flow entry corresponding to the first flow, and sends the updated first flow entry to a switch. The updated first flow entry indicates the switch to send the first flow to the new vFW node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.