Patents Examined by Choung Ho
  • Patent number: 7417978
    Abstract: An apparatus and method for increasing available ports on a voice router is provided. A first gateway and a second gateway are assigned a single port number for a data stream, the direction of packet flow is identified to determine a destination gateway. The destination gateway is one of the first and second gateways, depending on the direction of the packet flow. The packets are then forwarded to the destination gateway. The voice router can further consolidate RTCP streams from a plurality of gateways into a single port on the voice router.
    Type: Grant
    Filed: October 14, 2002
    Date of Patent: August 26, 2008
    Assignee: Mediaring Ltd
    Inventors: Chih-Hsiang Chou, Janardhana Reddy, Wee Sin Tam, Poh Yoke Lai, Halim Md Noor, Sin Ming Ow
  • Patent number: 6907039
    Abstract: A method and apparatus for routing and forwarding between virtual routers is described. A method in a single network element comprises peering a first virtual router to a second virtual router, wherein the first and second virtual routers have separate address spaces and separate routing tables, distributing a set of one or more routes from the first virtual router to the second virtual router, wherein a first of the set of routes identifies the first virtual router as a next hop of the first route, said first route including a destination, and downloading to a set of one or more forwarding tables, the destination and the next hop.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: June 14, 2005
    Assignee: Redback Networks Inc.
    Inventor: Naiming Shen
  • Patent number: 5941949
    Abstract: The invention relates to a system and method for transmitting the same data to more than one client node substantially simultaneously. In one embodiment the invention relates to a method for transmitting the same data substantially simultaneously from an application executing on a server node to at least two client nodes.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: August 24, 1999
    Assignee: Citrix Systems, Inc.
    Inventor: Bradley J. Pedersen