Bandwidth allocation for a data path
US6938093B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2002 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Jul 10, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L47/822
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A compute engine allocates data path bandwidth among different classes of packets. The compute engine identifies a packet's class and determines whether to transmit the packet based on the class' available bandwidth. If the class has available bandwidth, the compute engine grants the packet access to the data path. Otherwise, the compute engine only grants the packet access to the data path if none of the other packets waiting for data path access have a class with available bandwidth. After a packet is provided to the data path, the compute engine decrements a bandwidth allocation count for the packet's class. Once the bandwidth count for each class is exhausted, the compute engine sets each count to a respective starting value—reflecting the amount of bandwidth available to a class relative to the other classes. A compute engine employing the above-described bandwidth allocation can be employed to perform different networking services, including but not limited to: 1) virtual private networking; 2) secure sockets layer processing; 3) web caching; 4) hypertext mark-up language compression; 5) virus checking; 6) firewall support; and 7) web switching.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.