Bandwidth allocation for a data path

Details Bandwidth allocation for a data path Bandwidth allocation for a data path

2005-08-30

2005-08-30

Elmore, Reba I. (Department: 2187)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data transfer regulating

C709S238000, C709S245000

Reexamination Certificate

active

06938093

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.

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