Programmable packet data processing system
US-11909668-B2 · Feb 20, 2024 · US
Method and system for using range bitmaps in TCAM access
US8938579B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8938579-B2 |
| Application number | US-201213630157-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 28, 2012 |
| Priority date | Sep 28, 2012 |
| Publication date | Jan 20, 2015 |
| Grant date | Jan 20, 2015 |
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Abstract
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Various exemplary embodiments relate to a method and related network node including one or more of the following: determining that a first search value is associated with a first range field; determining a first bitmap associated with the first search value, wherein the first bitmap indicates at least one range encompassing the first search value; generating a search key based on the first bitmap; and accessing the ternary content addressable memory based on the search key.
First claim
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What is claimed is: 1. A method for accessing a ternary content addressable memory, the method comprising: determining that a first search value is associated with a first range field; determining a first bitmap associated with the first search value, wherein the first bitmap includes a first bit that indicates a first range encompassing the first search value; generating a search key based on the first bitmap; and accessing the ternary content addressable memory based on th…
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- What does patent US8938579B2 cover?
- Various exemplary embodiments relate to a method and related network node including one or more of the following: determining that a first search value is associated with a first range field; determining a first bitmap associated with the first search value, wherein the first bitmap indicates at least one range encompassing the first search value; generating a search key based on the first bitm…
- Who is the assignee on this patent?
- Koktan Toby J, Poulin Andre, Rochon Michel, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H04L45/60. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 20 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).