Configurable access control lists using TCAM
US8861347B2 · kind B2 · utility
10Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Jun 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L47/2441
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication apparatus includes a Content-Addressable Memory (CAM) and packet processing circuitry. The packet processing circuitry is configured to store in respective regions of the CAM multiple Access Control Lists (ACLs) that are defined for respective packet types, to classify an input packet to a respective packet type selected from the packet types, to identify a region holding an ACL defined for the selected packet type, and to process the input packet in accordance with the ACL stored in the identified region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.