Hierarchal rate-limiting at a network node that utilizes an...

Details Hierarchal rate-limiting at a network node that utilizes an... Hierarchal rate-limiting at a network node that utilizes an...

2003-02-19

2008-11-11

Chan, Wing F. (Department: 2619)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S235000, C370S252000, C709S225000

Reexamination Certificate

active

07450507

ABSTRACT:
Rate-limiting a traffic stream using a rate-limit hierarchy involves subjecting a packet to a first rate-limit check, the first rate-limit check corresponding to a first-level traffic classification, subjecting the packet to a second rate-limit check and an infinity rate-limit cheek, the second rate-limit check and the infinity rate-limit check corresponding to a second-level traffic classification, granting an automatic pass to the packet from the infinity rate-limit check regardless of whether or not the packet passes the second rate-limit check, and granting an overall pass of the rate-limit hierarchy if the packet passes the first rate-limit check. In an embodiment, the first-level traffic classification is a parent classification of the second-level traffic classification and the second-level traffic classification is a child classification of the first-level traffic classification.

REFERENCES:
patent: 6046980 (2000-04-01), Packer
patent: 6591299 (2003-07-01), Riddle et al.
patent: 6744767 (2004-06-01), Chiu et al.
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patent: 7042848 (2006-05-01), Santiago et al.
patent: 2002/0089929 (2002-07-01), Tallegas et al.
patent: WO 02/21773 (2002-03-01), None

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