Norman X Chou from Redwood City, CA, age 43

Us Patents

Request Bus Arbitration
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US Patent:

6763418, Jul 13, 2004
Filed:

Sep 7, 2001
Appl. No.:

09/948925
Inventors:

Norman C. Chou - San Jose CA
Yolin Lih - San Jose CA
Mercedes Gil - Fort Collins CO
Assignee:

Agilent Technologies, Inc. - Palo Alto CA
International Classification:

G06F 1336
US Classification:

710317, 370462, 3408255
Abstract:

A method and system to arbitrate requests of a plurality of ports of an interconnect device are provided. Every port receives combined pending request data that includes a pending request indicator associated with each of the plurality of ports. Each pending request indicator specifies whether a corresponding port has a pending request that needs to be submitted to a request bus of the interconnect device. Further, at each port, a turn to submit a request to the request bus is allocated to one of the plurality of ports based on the combined pending request data, a set of values stored in a mask register and a priority scheme associated with the plurality of ports.

Speculative Loading Of Buffers Within A Port Of A Network Device
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US Patent:

6920106, Jul 19, 2005
Filed:

Sep 7, 2001
Appl. No.:

09/948455
Inventors:

Norman Chou - San Jose CA, US
Olivier Cremel - Palo Alto CA, US
Assignee:

Agilent Technologies, Inc. - Palo Alto CA
International Classification:

G01R031/08
US Classification:

370229, 370412, 710 52
Abstract:

In one embodiment a method for processing an incoming packet in a port of an interconnect device includes speculatively forwarding the incoming packet to multiple buffers within the port prior to determining which of the multiple buffers is a target buffer for the packet, decoding the packet, and determining which of the multiple buffers is the target buffer for the packet using the decoded packet. The method further includes notifying an agent associated with the target buffer that the target buffer is an intended owner of the data packet. In one embodiment, agents associated with the multiple buffers are designated to process packets that are not subject to a credit-based flow control method.

Methods And Systems To Transfer Information Using An Alternative Routing Associated With A Communication Network
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US Patent:

6950394, Sep 27, 2005
Filed:

Sep 7, 2001
Appl. No.:

09/948460
Inventors:

Norman Cho-Chun Chou - San Jose CA, US
Ian G. Colloff - Los Gatos CA, US
Laura Sennett - Ft. Collins CO, US
Assignee:

Agilent Technologies, Inc. - Palo Alto CA
International Classification:

G01R031/08
H04L012/28
US Classification:

370229, 370401, 709238, 710316
Abstract:

A method of facilitating data transfers through a communication network. The method includes forwarding a first data set received from a first interconnect device to a processor. The first data set has transfer instructions and routing instructions associated therewith. The routing instructions specify a destination for the first data set. The method further includes extracting the transfer instructions at the processor and generating a first routing request for the first data set according to the transfer instructions to transfer the first data set to a second interconnect device. The second interconnect device is capable of routing the first data set to the destination. The first routing request has no association to the routing instructions.

Nvram Control Protocol
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US Patent:

6957312, Oct 18, 2005
Filed:

May 7, 2003
Appl. No.:

10/431995
Inventors:

Norman C. Chou - San Jose CA, US
Prasad Vajjhala - San Jose CA, US
Daniel Bourke - San Francisco CA, US
Assignee:

Agilent Technologies, Inc. - Palo Alto CA
International Classification:

G06F012/16
US Classification:

711163, 711103
Abstract:

In one embodiment, a method for facilitating detection of, and recovery from, data contamination in a non-volatile storage device coupled to an interconnect device includes receiving data to be written to a content area on a non-volatile storage device coupled to an interconnect device, updating a contamination indicator stored in a supplemental area of the non-volatile storage device with a first value indicating potential data contamination in the content area, and transferring the data to the non-volatile storage device for a write to the content area. Further, if a determination is made that the write of the transferred data has completed, the contamination indicator is updated with a second value indicating lack of data contamination in the content area.

Method And System For Configuring An Interconnect Device
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US Patent:

7043569, May 9, 2006
Filed:

Sep 7, 2001
Appl. No.:

09/948924
Inventors:

Norman C. Chou - San Jose CA, US
Prasad Vajjhala - San Jose CA, US
Richard Schober - Cupertino CA, US
Laura Randall - Ft. Collins CO, US
International Classification:

G06F 3/00
US Classification:

710 8, 710 10
Abstract:

In one embodiment, a system for configuring an interconnect device includes a non-volatile storage device to store configuration data associated with the interconnect device and a configuration interface to request the configuration data from the non-volatile storage device. Further, the system includes an initialization module to query the configuration interface for the configuration data and to distribute the configuration data provided by the configuration interface to multiple units within the interconnect device.

Mask-Based Round Robin Arbitration
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US Patent:

7054330, May 30, 2006
Filed:

Sep 7, 2001
Appl. No.:

09/948748
Inventors:

Norman C. Chou - San Jose CA, US
Yolin Lih - San Jose CA, US
Mercedes Gil - Fort Collins CO, US
International Classification:

H04J 3/02
US Classification:

370462, 370444, 370447, 370461, 3408255, 710309
Abstract:

A method and system to arbitrate between a plurality of resource requests are disclosed. In each arbitration within a current round of arbitration, a winning request is identified based on a priority associated with each requester participating in the arbitration and a set of values stored in a mask register. In response to identifying the winning request, a mask register value corresponding to a requestor of the winning request is updated to disqualify this requestor from further participation in the current round of arbitration. When the current round of arbitration completes, the set of values in the mask register is reset to allow each requestor to participate in the next round of arbitration. The current round of arbitration begins when each requester is qualified to participate in the current round of arbitration and completes when every participating requestor has been disqualified.

Method And System For Port Numbering In An Interconnect Device
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US Patent:

7111101, Sep 19, 2006
Filed:

May 7, 2003
Appl. No.:

10/431993
Inventors:

Daniel Bourke - San Francisco CA, US
Prasad Vajjhala - San Jose CA, US
Norman C. Chou - San Jose CA, US
Assignee:

Ayago Technologies General IP (Singapore) Ptd. Ltd. - Singapore
International Classification:

G06F 13/14
US Classification:

710305, 710316, 710 8, 710243, 709242, 709238, 326 40, 711163
Abstract:

A method of port numbering in an interconnect device includes loading a port configuration value from a memory device. One or more ports and subports are enabled according to the configuration value. Contiguous logical port numbers are assigned to the one or more ports and subports included in the interconnect device. A mapping request is received; and a mapped response associated with the mapping request is provided to an entity.

Method And Apparatus For Input/Output Port Mirroring For Networking System Bring-Up And Debug
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US Patent:

7209476, Apr 24, 2007
Filed:

Oct 12, 2001
Appl. No.:

09/977604
Inventors:

Ian Colloff - Los Gatos CA, US
Norman Chou - San Jose CA, US
Richard L. Schober - Cupertino CA, US
Mercedes Gil - Fort Collins CO, US
Edmundo Rojas - Fort Collins CO, US
Zhang Xiaoyang - San Jose CA, US
Assignee:

Avago Technologies General IP (Singapore) Pte. Ltd. - Singapore
International Classification:

H04L 12/50
US Classification:

370360
Abstract:

A networking system includes a plurality of ports, each adapted to send and receive data. A switch core has a first channel configured to receive a logical input flow from each of the plurality of input ports, and has a second channel configured to receive a raw input flow from each of the plurality of input ports. Each logical input flow is carried by its corresponding raw input flow. A plurality of port mirrors are selectable from the plurality of ports. Each of the plurality of port mirrors is configured to produce a duplicate copy of at least one of the logical input flow and the raw input flow available at a selected port.