Patents by Inventor W. Jeffrey Mitchem

W. Jeffrey Mitchem 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: 8014315
    Abstract: A method includes determining a priority of each of a plurality of frames, wherein the priority is a function of an initial value dependent on content of each said frame and one or more adjustment values independent of content of each said frame, and selecting the frame with the highest determined priority for transmission through the device prior to transmission of any other of the frames. A system includes a receiving port configured to receive frames and assign an initial priority to each frame, a queue configured to insert queue entries associated with received frames on the queue, each queue entry being inserted at a queue position based on the initial priority assigned to the queue entry, the queue further configured to reorder queue entries based on readjusted priorities of the queue entries; and a transmitter switch configured to transmit the frame having the highest priority before transmitting any other frame.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: September 6, 2011
    Assignee: MCDATA Corporation
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Patent number: 7848253
    Abstract: A method includes determining a priority of each of a plurality of frames, wherein the priority is a function of an initial value dependent on content of each said frame and one or more adjustment values independent of content of each said frame, and selecting the frame with the highest determined priority for transmission through the device prior to transmission of any other of the frames. A system includes a receiving port configured to receive frames and assign an initial priority to each frame, a queue configured to insert queue entries associated with received frames on the queue, each queue entry being inserted at a queue position based on the initial priority assigned to the queue entry, the queue further configured to reorder queue entries based on readjusted priorities of the queue entries; and a transmitter switch configured to transmit the frame having the highest priority before transmitting any other frame.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: December 7, 2010
    Assignee: McData Corporation
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Publication number: 20100135312
    Abstract: A method includes determining a priority of each of a plurality of frames, wherein the priority is a function of an initial value dependent on content of each said frame and one or more adjustment values independent of content of each said frame, and selecting the frame with the highest determined priority for transmission through the device prior to transmission of any other of the frames. A system includes a receiving port configured to receive frames and assign an initial priority to each frame, a queue configured to insert queue entries associated with received frames on the queue, each queue entry being inserted at a queue position based on the initial priority assigned to the queue entry, the queue further configured to reorder queue entries based on readjusted priorities of the queue entries; and a transmitter switch configured to transmit the frame having the highest priority before transmitting any other frame.
    Type: Application
    Filed: October 21, 2009
    Publication date: June 3, 2010
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Publication number: 20080225859
    Abstract: A method includes determining a priority of each of a plurality of frames, wherein the priority is a function of an initial value dependent on content of each said frame and one or more adjustment values independent of content of each said frame, and selecting the frame with the highest determined priority for transmission through the device prior to transmission of any other of the frames. A system includes a receiving port configured to receive frames and assign an initial priority to each frame, a queue configured to insert queue entries associated with received frames on the queue, each queue entry being inserted at a queue position based on the initial priority assigned to the queue entry, the queue further configured to reorder queue entries based on readjusted priorities of the queue entries; and a transmitter switch configured to transmit the frame having the highest priority before transmitting any other frame.
    Type: Application
    Filed: March 19, 2008
    Publication date: September 18, 2008
    Applicant: McData Corporation
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Patent number: 7382736
    Abstract: A method for selective transmission of through a switch according to a quality of service level includes providing one or more switches in a fibre channel fabric, particularly one or more fibre channel switches. The method includes assigning an initial score to the content of the one or more frames of data. The initial score may be adjusted by one or more alternative score components to determine one or more adjusted scores. The adjusted scores are compared. The method also provides for selecting frames having the highest adjusted scores and transmitting through the switches the frames having the highest adjusted scores.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: June 3, 2008
    Assignee: McData Corporation
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Publication number: 20040028056
    Abstract: A method for selective transmission of through a switch according to a quality of service level includes providing one or more switches in a fibre channel fabric, particularly one or more fibre channel switches. The method includes assigning an initial score to the content of the one or more frames of data. The initial score may be adjusted by one or more alternative score components to determine one or more adjusted scores. The adjusted scores are compared. The method also provides for selecting frames having the highest adjusted scores and transmitting through the switches the frames having the highest adjusted scores.
    Type: Application
    Filed: July 2, 2003
    Publication date: February 12, 2004
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Patent number: 6608819
    Abstract: A method for scoring queued frames 18 for selective transmission through a switch (12) includes providing one or more switches in a fibre channel fabric, particularly one or more fibre channel switches (12′). The method includes assigning an initial score (20) to the content (42) of the one or more frames (18) of data (26). The initial score (20) is adjusted by one or more alternative score components to determine one or more adjusted scores (22). The adjusted scores (22) are compared. The method also provides for selecting frames (18) having the highest adjusted scores (22), and transmitting through the switches (12) the frames (18) having the highest adjusted scores (22).
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: August 19, 2003
    Assignee: McData Corporation
    Inventors: W. Jeffrey Mitchem, Michael E. O'Donnell
  • Publication number: 20030142675
    Abstract: A method for scoring queued frames 18 for selective transmission through a switch (12) includes providing one or more switches in a fibre channel fabric, particularly one or more fibre channel switches (12′). The method includes assigning an initial score (20) to the content (42) of the one or more frames (18) of data (26). The initial score (20) is adjusted by one or more alternative score components to determine one or more adjusted scores (22). The adjusted scores (22) are compared. The method also provides for selecting frames (18) having the highest adjusted scores (22), and transmitting through the switches (12) the frames (18) having the highest adjusted scores (22).
    Type: Application
    Filed: November 30, 2000
    Publication date: July 31, 2003
    Inventors: W. Jeffrey Mitchem, MICHAEL E O' DONNELL