Policer device and bandwidth control

Details Policer device and bandwidth control Policer device and bandwidth control

2011-01-04

2011-01-04

Rao, Seema S (Department: 2462)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S395200, C370S468000

Reexamination Certificate

active

07864677

ABSTRACT:
A frame input/output unit allows a frame to pass according to directions output by a flag judging unit while consuming resources. A resource managing unit manages amounts of resources supplied and consumed. A management information storage unit stores passing information indicating policers that have passed frames during each period and management information including flag information on skip flags and the like. A flag updating unit catalogs a resource surplus flag and a supply filled flag at the end of a previous period and a skip flag that indicates whether a self-policer skips consuming resources in the following period based on the passing information in the previous period and the current period. The flag judging unit refers to a latest skip flag and judges the presence or absence of frame passing in the following period.

REFERENCES:
patent: 7058063 (2006-06-01), Cavendish
patent: 7711005 (2010-05-01), Sindhu et al.
patent: 2002/0004379 (2002-01-01), Gruhl et al.
patent: 2008/0033908 (2008-02-01), Cooper et al.
patent: 2009/0193144 (2009-07-01), Zeitak
patent: 11-55292 (1999-02-01), None
patent: 2001-7822 (2001-01-01), None
patent: 2006-173726 (2006-06-01), None

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