Patents by Inventor Casimer M. DeCusatis

Casimer M. DeCusatis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20150163162
    Abstract: Embodiments relate to a software-defined networking (SDN) single-source enterprise workload manager. An aspect includes a system for SDN single-source enterprise workload management. A network flow graph of a workload is received at an SDN controller in an enterprise network from a workload compiler of the enterprise network. The network flow graph defines interactions between a plurality of subprograms distributed in the enterprise network based on compile-time information of the workload. The SDN controller analyzes the network flow graph to identify the interactions between the subprograms as prompts. The SDN controller allocates network resources to define a plurality of flows through the enterprise network based on the prompts and characteristics of the enterprise network. Network traffic in the enterprise network is controlled based on the flows.
    Type: Application
    Filed: December 10, 2013
    Publication date: June 11, 2015
    Applicant: International Business Machines Corporation
    Inventors: Casimer M. DeCusatis, Rajaram B. Krishnamurthy
  • Publication number: 20150163159
    Abstract: Embodiments relate to a software-defined networking (SDN) single-source enterprise workload manager. An aspect includes a computer-implemented method for SDN single-source enterprise workload management. A network flow graph of a workload is received at an SDN controller in an enterprise network from a workload compiler of the enterprise network. The network flow graph defines interactions between a plurality of subprograms distributed in the enterprise network based on compile-time information of the workload. The SDN controller analyzes the network flow graph to identify the interactions between the subprograms as prompts. The SDN controller allocates network resources to define a plurality of flows through the enterprise network based on the prompts and characteristics of the enterprise network. Network traffic in the enterprise network is controlled based on the flows.
    Type: Application
    Filed: September 30, 2014
    Publication date: June 11, 2015
    Inventors: Casimer M. DeCusatis, Rajaram B. Krishnamurthy
  • Patent number: 9039207
    Abstract: A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are provided. A control device for controlling the rotational speed of the second input device and a phase locked loop (PLL) are provided. A phase reference signal is created based on the signal rate of the first input device. A phase signal is created based on the rotational speed of the second input device. The PLL compares the phase reference signal and the phase feedback signal to determine whether the first input device and the second input device are synchronized. A signal is sent to the control device for the second input device to change the rotational speed of the second input device in response to determining that the first input device and the second input device are not synchronized.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: May 26, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 9031415
    Abstract: An Ethernet adapter system may include a transmitter to insert a payload type identifier sequence in a generic frame procedure header to indicate that a network is a converged enhanced Ethernet network. The transmitter may insert idle sequences in a stream of data frames transmitted along a link. The system may include a receiver to recognize a condition and to force a loss of synchronization condition on the link that will be converted by the receiver into a loss of light condition. The receiver may scan the transmitted stream of data frames for invalid data frames and introduce a code into the stream of data frames whenever an invalid data frame is detected.
    Type: Grant
    Filed: December 8, 2012
    Date of Patent: May 12, 2015
    Assignee: International Business Machines Corporation
    Inventors: Casimer M. DeCusatis, Thomas A. Gregg, Rajaram B. Krishnamurthy
  • Patent number: 9025614
    Abstract: Peripheral Component Interconnect Express (PCIe) tunneling over Converged Enhanced Ethernet (CEE) networks. The CEE networks comprise devices configured to use PCIe. An initiating device initiates a command. The command is associated with initiator control signals, which are associated with the initiating device. The initiating device requests permission from an arbiter, and receives a request grant from the arbiter. Based on the request grant, a mapping device maps the initiator control signals, an target device address, and the command into a CEE control frame. Based on the mapping, the initiating device transmits an inquiry to the devices. Based on transmitting the inquiry, the initiating device receives a response from a corresponding device. The corresponding device is associated with the target device address. The response comprises target control signals associated with the corresponding device.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: May 5, 2015
    Assignee: International Business Machines Corporation
    Inventors: Casimer M DeCusati, Rajaram B Krishnamurthy
  • Patent number: 9019975
    Abstract: Converged Enhanced Ethernet (CEE) tunneling over Peripheral Component Interconnect Express (PCIe) bus. An initiating device, connected to a CEE network, initiates a command. An encoding device encodes a CEE frame comprising the command, target device address, initiator signals, and an address of a CEE switch closest to the target device, connected to a PCIe network. The initiating device transmits an inquiry to the CEE switch through the CEE frame. The CEE switch comprises an address table with an entry specifying a generic PCIe device. The CEE switch is configured to convert the CEE frame into PCIe readable signals and to transmit them to PCIe devices. The initiating device receives a response indicating a PCIe acknowledgement from a corresponding device from the PCIe devices. The corresponding device is associated with the target device address. Based on the response, the initiating device initiates a transaction to the corresponding device through CEE frames.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: April 28, 2015
    Assignee: International Business Machines Corporation
    Inventors: Casimer M DeCusatis, Rajaram B Krishnamurthy
  • Patent number: 9016873
    Abstract: A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are provided. A control device for controlling the rotational speed of the second input device and a phase locked loop (PLL) are provided. A phase reference signal is created based on the signal rate of the first input device. A phase signal is created based on the rotational speed of the second input device. The PLL compares the phase reference signal and the phase feedback signal to determine whether the first input device and the second input device are synchronized. A signal is sent to the control device for the second input device to change the rotational speed of the second input device in response to determining that the first input device and the second input device are not synchronized.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: April 28, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 9007905
    Abstract: A system to improve a Fiber Channel over Convergence Enhanced Ethernet (FCoCEE) network may include a sender in an FCoCEE network in which data packets having different data link layer structures are transmitted by the sender on a single data link. The system may also include a receiver to receive the data packets at the data link layer and to transmit an ACK and/or NAK in response to a sequence number in the data packets. The system may further include a replay buffer to retransmit the data packets where the replay buffer is sized by the length of the data link, data rate of the data link, the ACK and/or NAK processing time at either the sender and/or the receiver, and/or a threshold time for transmission and/or reception of the data packets.
    Type: Grant
    Filed: December 8, 2012
    Date of Patent: April 14, 2015
    Assignee: International Business Machines Corporation
    Inventors: Casimer M. DeCusatis, Thomas A. Gregg, Rajaram B. Krishnamurthy
  • Patent number: 9007904
    Abstract: A system to improve a Fiber Channel over Convergence Enhanced Ethernet (FCoCEE) network may include a sender in an FCoCEE network in which data packets having different data link layer structures are transmitted by the sender on a single data link. The system may also include a receiver to receive the data packets at the data link layer and to transmit an ACK and/or NAK in response to a sequence number in the data packets. The system may further include a replay buffer to retransmit the data packets where the replay buffer is sized by the length of the data link, data rate of the data link, the ACK and/or NAK processing time at either the sender and/or the receiver, and/or a threshold time for transmission and/or reception of the data packets.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: April 14, 2015
    Assignee: International Business Machines Corporation
    Inventors: Casimer M. DeCusatis, Thomas A. Gregg, Rajaram B. Krishnamurthy
  • Patent number: 9004700
    Abstract: A projector system that includes a first input device, a second input device, a control device, a sensor and a phase locked loop (PLL). A phase reference signal is created based on a signal rate of the first input device. A phase feedback signal is created based on the rotational speed of the second input device as it is measured by the sensor. The PLL compares the phase reference signal and the phase feedback signal to determine whether the first input device and the second input device are synchronized. A signal is sent to the control device for the second input device to change the rotational speed of the second input device in response to determining that the first input device and the second input device are not synchronized.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: April 14, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 8998427
    Abstract: A method of projecting an image is provided. The method includes the step of providing a first light source, the first light source emitting light at a first polarization. A second light source is provided adjacent the first light source, the second light source emitting light at a second polarization. A digital mirror device is provided (DMD), the DMD having a first axis. A mirror is provided optically disposed between the first light source, the second light source and the DMD, the mirror being adjacent the DMD. A first light is emitted from the first light source. The first light is reflected with the mirror onto the DMD. A second light is emitted from the second light source after the first light is emitted. The second light is reflected with the mirror onto the DMD.
    Type: Grant
    Filed: October 15, 2012
    Date of Patent: April 7, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 8995265
    Abstract: A system to improve a Converged Enhanced Ethernet network may include a controller having a computer processor connected to a layer 2 endpoint buffer. The system may also include a manager executing on the controller to monitor the layer 2 endpoint buffer by determining buffer data packet occupancy and/or rate of change in the buffer data packet occupancy. The system may further include a reporter to notify a congestion source of the layer 2 endpoint buffer based upon the buffer data packet occupancy and/or rate of change in the buffer data packet occupancy.
    Type: Grant
    Filed: January 28, 2012
    Date of Patent: March 31, 2015
    Assignee: Lenovo Enterprise Solutions (Singapore) Pte. Ltd.
    Inventors: Claude Basso, Rolf Clauberg, Casimer M. DeCusatis, Mircea Gusat, Ronald P. Luijten, Fredy D. Neeser, Kenneth M. Valk
  • Patent number: 8992024
    Abstract: A system is provided for projecting a three-dimensional image. The system includes a light source and a polarization conversion system for converting light emitted from the light source to circular polarization. A beam splitter device is disposed adjacent the light source to receive light, and an LCoS image device is disposed adjacent the beam splitter device.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: March 31, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 8989005
    Abstract: A system to improve a Converged Enhanced Ethernet network may include a controller having a computer processor connected to a layer 2 endpoint buffer. The system may also include a manager executing on the controller to monitor the layer 2 endpoint buffer by determining buffer data packet occupancy and/or rate of change in the buffer data packet occupancy. The system may further include a reporter to notify a congestion source of the layer 2 endpoint buffer based upon the buffer data packet occupancy and/or rate of change in the buffer data packet occupancy.
    Type: Grant
    Filed: December 8, 2012
    Date of Patent: March 24, 2015
    Assignee: Lenovo Enterprise Solutions (Singapore) Pte. Ltd.
    Inventors: Claude Basso, Rolf Clauberg, Casimer M. DeCusatis, Mircea Gusat, Ronald P. Luijten, Fredy D. Neeser, Kenneth M. Valk
  • Patent number: 8985785
    Abstract: A projection system is provided. The system includes a first light source emitting light at a first polarization. A second light source is provided adjacent the first light source, the second light source emitting light at a second polarization. A digital mirror device (DMD) is provided having a first axis. A mirror optically is disposed adjacent the DMD between the first light source, the second light source and the DMD. The first light source and second light source emit light that is reflected onto the DMD.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: March 24, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 8988769
    Abstract: The embodiments herein provide a device and a method for extending the bandwidth of short wavelength and long wavelength fiber optic lengths. The embodiments herein provide for an optical transmitter package device comprising: a laser diode; and a semiconductor optical amplifier connected directly after and in close proximity to the laser diode, wherein the semiconductor optical amplifier is adapted to operate in a frequency domain such that the semiconductor optical amplifier filters and reshapes optical wavelengths from the laser diode, and wherein the semiconductor optical amplifier is biased below an amplification threshold for the semiconductor optical amplifier. The device may also comprises a feedback circuit which comprises an optical splitter, wherein the feedback circuit samples reshaped optical output from the semiconductor optical amplifier and dynamically adjusts one or both of the semiconductor optical amplifier and the laser diode.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: March 24, 2015
    Assignee: International Business Machines Corporation
    Inventors: Robert G. Atkins, Harry H. Bagheri, Casimer M. DeCusatis
  • Publication number: 20150078170
    Abstract: Embodiments relate to bypassing congestion points in a network. An aspect includes sampling queues of a plurality of switches in a network. When packet congestion is detected at a congestion point of a first switch, the packet flow contributing to the packet congestion is identified. A congestion notification message indicating the identified packet flow is then propagated to upstream switches, which are upstream from the first switch in the network. The congestion notification message is then snooped by the upstream switches. Virtual queues within the upstream switches are associated with the identified packet flow to hold packets associated with the identified packet flow. The packets associated with the identified packet flow are then re-routed to bypass the packet congestion in the first switch.
    Type: Application
    Filed: September 30, 2014
    Publication date: March 19, 2015
    Inventors: Nikolaos Chrysos, Daniel Crisan, Casimer M. DeCusatis, Mircea Gusat, Cyriel J. Minkenberg
  • Publication number: 20150074276
    Abstract: In one embodiment, a system includes a switch controller configured to communicate with each of a plurality of network devices in a network, the switch controller including a processor and logic integrated with and/or executable by the processor, the logic being configured to: receive a request to instantiate a new workload or to move a current workload in the network, determine a throughput associated with the new or current workload, and select an optimum location to place the new workload or to move the current workload in the network based on the throughput associated with the new or current workload. According to another embodiment, a method includes receiving a request at a switch controller to instantiate or move a workload, determining a throughput associated with the workload, and selecting an optimum location to place or move the workload based on the throughput associated with the workload.
    Type: Application
    Filed: September 11, 2013
    Publication date: March 12, 2015
    Applicant: International Business Machines Corporation
    Inventors: Casimer M. DeCusatis, Mircea Gusat, Vinit Jain, Keshav G. Kamble, Renato J. Recio
  • Patent number: 8960912
    Abstract: A method is provided for projecting a three-dimensional image. The method includes providing a first light source that emits first eye images and a second light source that emits second eye images. A polarization of the first light source is orthogonal to a polarization of the second light source. A first eye image of a first color is projected from the first light source. A second eye image of the same first color is projected from the second light source. A first eye image of a second color is projected from the first light source. A second eye image of the same second color is projected from the second light source. A first eye image of a third color is projected from the first light source. A second eye image of a third color is projected from the second light source.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: February 24, 2015
    Assignee: International Business Machines Corporation
    Inventor: Casimer M. DeCusatis
  • Patent number: 8960913
    Abstract: A system is provided for projecting a three-dimensional image. The system includes a first light source, emitting a light of a first color and a second light source emitting light of a second color. At least one polarizing beam splitter (PBS) is disposed adjacent the first light and the second light source, and at least one imaging device is disposed adjacent the at least one PBS.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: February 24, 2015
    Assignee: International Busniess Machines Corporation
    Inventor: Casimer M. DeCusatis