Patents by Inventor Stephen P. Gracin

Stephen P. Gracin 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).

  • Relocating guest machine using proxy tool having multiple virtual machines where one virtual machines provides host route for relocation
    Patent number: 8640127
    Abstract: A system tool, method and program product for relocating an original guest from a first host to a second host in a z/VM environment. A method is disclosed that includes: bringing the original guest down at the first host, wherein the original guest includes a predetermined virtual internet protocol address (VIPA); bringing up a new guest at the second host, wherein the new guest has the predetermined VIPA; autologging on a first virtual machine (VM) at the second host that provides a VM TCP/IP stack to an interface with a virtual switch; launching a second VM to provides a VM multiprotocol server configured for OSPF to run with the VM TCP/IP stack to generate a host route for the new guest, wherein the second VM is launched by the first VM; and launching a third VM for determining a status of the virtual switch and advertising to the network a host route of the new guest, wherein the third VM is launched by the first VM.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: January 28, 2014
    Assignee: International Business Machines Corporation
    Inventor: Stephen P. Gracin
  • PROXY TOOL FOR GUEST MACHINE RELOCATION
    Publication number: 20120072907
    Abstract: A system tool, method and program product for relocating an original guest from a first host to a second host in a z/VM environment. A method is disclosed that includes: bringing the original guest down at the first host, wherein the original guest includes a predetermined virtual internet protocol address (VIPA); bringing up a new guest at the second host, wherein the new guest has the predetermined VIPA; autologging on a first virtual machine (VM) at the second host that provides a VM TCP/IP stack to an interface with a virtual switch; launching a second VM to provides a VM multiprotocol server configured for OSPF to run with the VM TCP/IP stack to generate a host route for the new guest, wherein the second VM is launched by the first VM; and launching a third VM for determining a status of the virtual switch and advertising to the network a host route of the new guest, wherein the third VM is launched by the first VM.
    Type: Application
    Filed: September 21, 2010
    Publication date: March 22, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventor: Stephen P. Gracin