Patents by Inventor Ronald Maxam

Ronald Maxam 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).

  • Method and apparatus for restricting address resolution protocol table updates
    Patent number: 8296560
    Abstract: Techniques for restricting Address Resolution Protocol (ARP) table updates to updates originating from authorized subsystems is disclosed. According to an embodiment, an instruction to update an ARP table is received. It is determined whether a command interface from which the instruction originated is authorized. If the command interface is authorized, then the ARP table is updated based on the instruction. According to an embodiment, a DHCP Server may be configured to send an instruction to update an ARP table upon receiving a DHCP message indicating a network layer address that is not bound with a data link layer address. The DHCP Server may send the instruction over an authorized command interface, or be in other ways authorized to update the ARP table.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: October 23, 2012
    Assignee: Cisco Technology, Inc.
    Inventors: Gopal Dommety, Thenmozhi Palaniappan, Ronald Maxam
  • Method and Apparatus for Restricting Address Resolution Protocol Table Updates
    Publication number: 20090222548
    Abstract: Techniques for restricting Address Resolution Protocol (ARP) table updates to updates originating from authorized subsystems is disclosed. According to an embodiment, an instruction to update an ARP table is received. It is determined whether a command interface from which the instruction originated is authorized. If the command interface is authorized, then the ARP table is updated based on the instruction. According to an embodiment, a DHCP Server may be configured to send an instruction to update an ARP table upon receiving a DHCP message indicating a network layer address that is not bound with a data link layer address. The DHCP Server may send the instruction over an authorized command interface, or be in other ways authorized to update the ARP table.
    Type: Application
    Filed: April 14, 2009
    Publication date: September 3, 2009
    Inventors: Gopal Dommety, Thenmozhi Palaniappan, Ronald Maxam
  • Method and apparatus for restricting address resolution protocol table updates
    Patent number: 7533255
    Abstract: A method of restricting Address Resolution Protocol (ARP) table updates to updates originating from authorized subsystems is disclosed. According to one aspect of the method, an instruction to update an ARP table is received. It is determined whether a particular subsystem from which the instruction originated is authorized. If the particular subsystem is authorized, then the ARP table is updated based on the instruction.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: May 12, 2009
    Assignee: Cisco Technology, Inc.
    Inventors: Gopal Dommety, Thenmozhi Palaniappan, Ronald Maxam