Patents by Inventor Donald E. A. Clarke

Donald E. A. Clarke 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).

  • Patent number: 11184252
    Abstract: A system for secure management of licensing and distributing virtual network functions (VNF) is provided. The system includes a VNF license manager, a VNF repository, and a VNF license database. The VNF license manager is in communication with the VNF repository and the VNF license database. The VNF license manager is programmed to receive a request for access to a first VNF from a virtual network. The virtual network is configured to execute the first VNF. The VNF license manager is also programmed to determine if the virtual network may access the first VNF based on one or more policies associated with the first VNF. If the virtual network may access the first VNF, the VNF license manager is programmed to retrieve the first VNF from the VNF repository and transmit the first VNF to the virtual network.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: November 23, 2021
    Assignee: Cable Television Laboratories, Inc.
    Inventor: Donald E. A. Clarke
  • Publication number: 20210185090
    Abstract: A remote attestation system for a computer network includes an attestation operations subsystem configured to manage attestation procedures for the remote attestation system, and an attestation server pool including a plurality of attestation servers. The plurality of attestation servers is configured to perform attestation of at least one host in a data center. The system further includes an attestation state database configured to store a state of attestation of the at least one host, an attestation policy database configured to store at least one operator policy of the computer network, and an end-user service portal configured to provide access to the remote attestation system by users of the computer network.
    Type: Application
    Filed: February 5, 2021
    Publication date: June 17, 2021
    Inventors: STEVEN J. GOERINGER, IGOR FAYNBERG, DONALD E.A. CLARKE
  • Publication number: 20200099591
    Abstract: A system for secure management of licensing and distributing virtual network functions (VNF) is provided. The system includes a VNF license manager, a VNF repository, and a VNF license database. The VNF license manager is in communication with the VNF repository and the VNF license database. The VNF license manager is programmed to receive a request for access to a first VNF from a virtual network. The virtual network is configured to execute the first VNF. The VNF license manager is also programmed to determine if the virtual network may access the first VNF based on one or more policies associated with the first VNF. If the virtual network may access the first VNF, the VNF license manager is programmed to retrieve the first VNF from the VNF repository and transmit the first VNF to the virtual network.
    Type: Application
    Filed: September 20, 2019
    Publication date: March 26, 2020
    Inventor: Donald E. A. Clarke
  • Publication number: 20200004572
    Abstract: A virtual network system for a computer network is provided. The system includes a first host executing a virtual network function manager. The system also includes a second host executing a management virtual machine. The management virtual machine is in communication with the virtual network function manager and with one or more virtual network function component instantiations. The management virtual machine is programmed to route messages between the one or more virtual network function component instantiations and the virtual network function manager.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Inventors: Igor Faynberg, Donald E. A. Clarke, Steven J. Goeringer
  • Publication number: 20190215755
    Abstract: A system for monitoring the communication with a connected Internet of Things (IoT) device is provided. The system includes a first computing device including a least one processor in communication with at least one memory device. The at least one memory device stores a plurality of instructions, which when executed by the at least one processor cause the at least one processor to execute an IoT device communication application. The IoT device communication application monitors the IoT device. The instructions also cause the at least one processor to store IoT device data including a current location of the IoT device, determine an optimal communication path between the IoT device communication application and the IoT device based on the IoT device data, and transfer execution of the IoT device communication application to a second computing device based on the optimal communication path.
    Type: Application
    Filed: March 14, 2019
    Publication date: July 11, 2019
    Inventors: Igor Faynberg, Darshak Thakore, Donald E. A. Clarke, Steven J. Goeringer
  • Publication number: 20190132363
    Abstract: A system for monitoring the security of a connected Internet of Things (IoT) device is provided. The system includes a network doppelgänger (ND) computer device. The ND computer device is in communication with the IoT device and a service provider computer device associated with the IoT device. The ND computer device is programmed to store a plurality of policies associated with the service provider computer device. The ND computer device is also programmed to receive a communication from the IoT device addressed to the service provider computer device. The ND computer device is further programmed to analyze the communication in view of the plurality of policies to determine whether the communication is approved. If the communication is approved, the ND computer device is programmed to route the communication to the service provider computer device.
    Type: Application
    Filed: October 31, 2018
    Publication date: May 2, 2019
    Inventors: Igor Faynberg, Darshak Thakore, Donald E.A. Clarke, Steven J. Goeringer
  • Patent number: 5572349
    Abstract: A communications system having a line terminal(1), a plurality of customer terminals (2), and a passive optical network for supporting traffic between the line terminal and the customer terminals. The line terminal(I) has a terminal unit (BTS(n)) for relatively narrow bandwidth traffic, and a second terminal unit (BTS(1) to BTS(n-1)) for relatively wider bandwidth traffic. A time domain multiplexer (14) is arranged to multiplex the traffic from the first and second terminal unit for downstream transmission over the network (18). Each customer terminal (2) has a first service unit for relatively narrow bandwidth traffic and a second service unit for relatively wider bandwidth traffic. Each customer terminal (2) has a demultiplexer (22) arranged to receive multiplexed downstream traffic from the network (18), and to segregate the traffic between the first and second service unit.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: November 5, 1996
    Assignee: British Telecommunications public limited company
    Inventors: Michael A. Hale, Donald E. A. Clarke
  • Patent number: 5548432
    Abstract: A head-end station for a passive optical network system arranged to transmit and receive TDMA frames having a header portion and a plurality of basic frames, each basic frame includes traffic bits and control bits. The head-end station includes a data transmitter which assembles and transmits downstream frames and also generates a diagnostic signal for transmission in a downstream frame, the station being switchable to a diagnostic mode in which it transmits the diagnostic signal in a downstream frame in the absence of other traffic, and also including a data receiver which receives upstream frames and detects a return of the diagnostic signal. In a preferred example, the head-end station may transmit a diagnostic signal in the header portion of each downstream frame. Also, in a test mode the transmit signal is looped back to the receiver to enable testing of the transmit receive function.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: August 20, 1996
    Assignee: British Telecommunications public limited company
    Inventors: Donald E. A. Clarke, Michael A. Hale, Jeremy B. Chuter
  • Patent number: 5479286
    Abstract: An optical fibre communications system includes a head end connected to n customers by an optical fibre network. The head end has a transmitter unit and a receiver unit, and each of the customers has an optical network unit with an optical receiver and a transmitter unit. The head end transmitter and receiver units are connected respectively to the receivers and the transmitter units of the customer optical network units by at least one passive optical network. The head end transmitter unit includes an optical transmitter driven by a sub-carrier multiplexer, the sub-carrier multiplexer having a plurality of input sub-carriers at different frequencies. One of the sub-carriers carries interactive signals provided by a further optical transmitter unit. The remaining sub-carriers carry broadband service signals. Each customer transmitter unit includes an optical transmitter and apparatus for multiplexing interactive signals and control signals to drive the optical transmitter.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: December 26, 1995
    Assignee: British Telecommunications public limited company
    Inventors: Kevin D. Stalley, Donald E. A. Clarke, Paul A. Rosher
  • Patent number: 5453988
    Abstract: A head-end station for a passive optical network system is arranged to transmit and receive downstream and upstream multiplex data frames. The data frames include a plurality of basic frames, each basic frame including a plurality of traffic bits and a plurality of control bits. The head-end station includes a data receiver having a control processor arranged to receive control data, a control data buffer which provides a parallel data input to the control processor, a traffic interface and a serial-to-parallel converter. The converter receives upstream TDMA multiplexed frames and the parallel output from the converter is connected in parallel to the respective inputs of the control data buffer and the traffic interface. A data transmitter for such a head-end station also includes a control processor, a control buffer and a traffic interface. A parallel-to-serial converter receives the upstream TDMA.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: September 26, 1995
    Assignee: British Telecommunications public limited company
    Inventor: Donald E. A. Clarke
  • Patent number: 5453865
    Abstract: A system for monitoring a network in which a station is connected to the network and includes a transmitter and a receiver. The transmitter outputs a signal modulated with outgoing traffic onto the network and the receiver receives a signal from the network modulated with incoming traffic. The station includes a monitoring circuit which introduces a variable delay in a signal from the transmitter and combines the delayed signal with the received signal so as to produce an output dependent upon the correlation of the signal from the transmitter and the received signal at the given delay. Preferably, the network is an optical network and the delay is introduced by a programmable delay line.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: September 26, 1995
    Assignee: British Telecommunications public limited company
    Inventors: David W. Faulkner, John W. Ballance, Donald E. A. Clarke, Michael A. Hale
  • Patent number: 5367394
    Abstract: A test apparatus is designed for use with a TPON system including a headend station connected via a fibre optic network to a plurality of terminations. The test apparatus is a self-contained unit including a connection for linking the apparatus to a termination, a first detection circuit which detects status signals generated by the termination, and a second detection circuit which detects alarm signals generated in the head-end station and transmitted to the termination in a downstream data frame. The test apparatus in response to the first and second test circuits provides an output which indicates the condition of the termination. In one example, a series of indicator lamps formed on the housing for the test apparatus are lit to provide the appropriate output.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: November 22, 1994
    Assignee: British Telecommunications public limited company
    Inventors: Jeremy B. Chuter, Michael A. Hale, Donald E. A. Clarke
  • Patent number: 5353143
    Abstract: A network head-end station (1) is arranged to receive an upstream TDMA frame comprising interleaved optical signals from a plurality of terminations (2) connected to the head-end station (1) by a fibre network (3). The upstream TDMA frame includes a quiet phase during which none of the terminations transmit. The station (1) includes an opto-electronic receiver (4), a DC clamping circuit (10) for the opto-electronic receiver (4) and a clamping pulse generator. The clamping pulse generator is arranged to generate a pulse at a predetermined time falling within the quiet phase to operate the DC clamping circuit to clamp signals received during the remainder of the TDMA frame to a DC reference level received during the quiet phase.
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: October 4, 1994
    Assignee: British Telecommunications public Limited company
    Inventor: Donald E. A. Clarke
  • Patent number: 5341365
    Abstract: A passive optical network includes a head-end station and a plurality of terminations. The terminations are responsive to control signals from the head-end station. The head-end station is arranged to receive frames having a predetermined bit rate and comprising signals transmitted by the terminations. Ranging pulses are transmitted from each of the terminations to the head-end station where the received ranging pulses are sampled at a high sampling rate greater than the predetermined bit rate. The data samples are applied to a processor which determines the phase and amplitude of the ranging pulses and generates control signals for the terminations to modify the phase or timing and amplitude of the transmissions from the terminations. A locally generated marker pulse may be applied to the incoming data frame before it is sampled in the head-end station, the marker pulse providing a phase and amplitude reference for use by the control processor.
    Type: Grant
    Filed: May 27, 1992
    Date of Patent: August 23, 1994
    Assignee: British Telecommunications public limited company
    Inventor: Donald E. A. Clarke