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US Patent 7743191 On-chip shared memory based device architecture

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7743191
Date of Patent
June 22, 2010
Patent Application Number
11961402
Date Filed
December 20, 2007
Patent Citations Received
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US Patent 12135685 Verifying data has been correctly replicated to a replication target
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US Patent 12131044 Intelligent application placement in a hybrid infrastructure
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US Patent 12131056 Providing data management as-a-service
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US Patent 12135656 Re-keying the contents of a storage device
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US Patent 11656804 Copy using metadata representation
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US Patent 11669386 Managing an application's resource stack
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US Patent 11663097 Mirroring data to survive storage device failures
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US Patent 11677687 Switching between fault response models in a storage system
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...
Patent Primary Examiner
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Khanh Dang
Patent abstract

A method and architecture are provided for SOC (System on a Chip) devices for RAID processing, which is commonly referred as RAID-on-a-Chip (ROC). The architecture utilizes a shared memory structure as interconnect mechanism among hardware components, CPUs and software entities. The shared memory structure provides a common scratchpad buffer space for holding data that is processed by the various entities, provides interconnection for process/engine communications, and provides a queue for message passing using a common communication method that is agnostic to whether the engines are implemented in hardware or software. A plurality of hardware engines are supported as masters of the shared memory. The architectures provide superior throughput performance, flexibility in software/hardware co-design, scalability of both functionality and performance, and support a very simple abstracted parallel programming model for parallel processing.

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