Patents by Inventor Clare Chu

Clare Chu 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 determining a multilayer switching path
    Patent number: 7411965
    Abstract: A method and apparatus that provide for determining a multilayer switching path are disclosed. In one embodiment of the invention, a Layer 3 path and a Layer 2 path between a source device and destination device are first determined in order to identify the relevant switch engines that perform the multilayer switching. Determining whether the switch engines satisfy a set of criteria identifies the relevant switch engines.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: August 12, 2008
    Assignee: Cisco Technology, Inc.
    Inventors: Clare Chu, Mehryar Garakani, Kenneth E. Mueller, II
  • Method and apparatus for determining a multilayer switching path
    Patent number: 6954462
    Abstract: A method and apparatus that provide for determining a multilayer switching path are disclosed. In one embodiment of the invention, a Layer 3 path and a Layer 2 path between a source device and destination device are first determined in order to identify the relevant switch engines that perform the multilayer switching. Determining whether the switch engines satisfy a set of criteria identifies the relevant switch engines.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: October 11, 2005
    Assignee: Cisco Technology, Inc.
    Inventors: Clare Chu, Mehryar Garakani, Kenneth E. Mueller, II
  • Method and apparatus for determining a layer 2 path in a switched network
    Patent number: 6944130
    Abstract: A method and apparatus that provide for a Layer 2 path determination are disclosed. In one embodiment of the invention, a Layer 3 path between a source device and destination device is first determined in order to identify contiguous pairs of Layer 3 devices. A subpath is then determined for each contiguous pair of Layer 3 devices based on VLAN and spanning tree information associated with the contiguous pair. The Layer 2 path is a concatenation of the subpaths of all the contiguous pairs in the Layer 3 path.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 13, 2005
    Assignee: Cisco Technology, Inc.
    Inventors: Clare Chu, Stephen Schleimer
  • Method and apparatus for determining a multilayer switching path
    Publication number: 20050152399
    Abstract: A method and apparatus that provide for determining a multilayer switching path are disclosed. In one embodiment of the invention, a Layer 3 path and a Layer 2 path between a source device and destination device are first determined in order to identify the relevant switch engines that perform the multilayer switching. Determining whether the switch engines satisfy a set of criteria identifies the relevant switch engines.
    Type: Application
    Filed: February 23, 2005
    Publication date: July 14, 2005
    Inventors: Clare Chu, Mehryar Garakani, Kenneth Mueller,
  • Representing and verifying network management policies using collective constraints
    Patent number: 6393473
    Abstract: A method and apparatus are provided for representing abstract network management policies and processing such policies to resolve conflicts.
    Type: Grant
    Filed: December 18, 1998
    Date of Patent: May 21, 2002
    Assignee: Cisco Technology, Inc.
    Inventor: Clare Chu
  • Dynamically configurable filtered dispatch notification system
    Patent number: 6182119
    Abstract: A method and system for filtering and acting upon data are provided. The specific identity, behavior and relationship between the various components that make up the system are not fixed at compile time. Rather, flexibility is maintained by establishing the identity, behavior and relationships based on configuration data at run time. At run time, various source, filter and action modules that are specified in configuration data are loaded into dynamic memory and initialized. The publisher-subscriber relationships are then established between the loaded modules based on said configuration data. A user interface is provided which allows a user to specify changes to the publisher-subscriber relationships between the components, or to the initialization arguments of the components. The various components of the system may be implemented as objects that are instances of JAVA classes.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: January 30, 2001
    Assignee: Cisco Technology, Inc.
    Inventor: Clare Chu