Apparatus and method for a multi-level enmeshed policer
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United States of America Patent
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Sep 24, 2013
Grant Date -
Jul 1, 2010
app pub date -
Dec 30, 2008
filing date -
Dec 30, 2008
priority date (Note) -
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Abstract
An enmeshed hierarchy of policers, different from traditional tree-based hierarchical system of policers is used in accordance with the present invention. A goal of using an enmeshed architecture of policing systems is to allow for a more complex set of policies to be defined across a network. Hierarchical/cascading systems ensure that the higher granularity assignments essentially dictate/constrain the behavior of finer grained assignments at higher levels for sub-flows. There is only one type of metric possible for the largest granular policer, so the only way to implement multiple system-wide metrics is to repeat the hierarchy multiple times over, which adds to the delay of the packet and the complexity of the router. In accordance with the enmeshed architecture of the present invention, multiple system-wide metrics can be implemented simultaneously, which allows for easier management of the various macro-level policies by the manager of an access network.
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