Method and an apparatus for processing packets
US8259740B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2008 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Jan 18, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0209
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a packet processing method, which applies to a high-performance and scalable flow processing system architecture. The service board performs security processing for packets received from external devices by using the firewall function before sending them to the main CPU; similarly, the service board also performs security processing for packets sent from the main CPU by using the firewall function before the main CPU sends them to external devices. The methods of the present invention utilize high performance and good scalability of the new architecture. In a network with heavy and high-speed traffic, the service board performs security processing for packets by using the firewall function and then transmits the valid packets to the main CPU. Thus, the main CPU is protected by the firewall function against attack packets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.