Patents by Inventor Ivy Hsu

Ivy Hsu 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: 8830822
    Abstract: Techniques for configuring a local repair connection for a protected connection including determining a path for the local repair connection. The path traversed by a local repair connection starts at a node in the path associated with the protected connection and ends at a merge point node in the path associated with the protected connection that is downstream from the start node. In one embodiment, the merge point node may even be more than two hops downstream from the start node in the path associated with the protected connection. The local repair path may include zero or more nodes that are not included in the path associated with the protected connection. Techniques are also described for optimizing the path associated with a local repair connection.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: September 9, 2014
    Assignee: Foundry Networks, LLC
    Inventors: Mohammad Hanif, Ivy Hsu
  • Publication number: 20120033542
    Abstract: Techniques for configuring a local repair connection for a protected connection including determining a path for the local repair connection. The path traversed by a local repair connection starts at a node in the path associated with the protected connection and ends at a merge point node in the path associated with the protected connection that is downstream from the start node. In one embodiment, the merge point node may even be more than two hops downstream from the start node in the path associated with the protected connection. The local repair path may include zero or more nodes that are not included in the path associated with the protected connection. Techniques are also described for optimizing the path associated with a local repair connection.
    Type: Application
    Filed: October 14, 2011
    Publication date: February 9, 2012
    Applicant: Foundry Networks, LLC
    Inventors: Mohammad Hanif, Ivy Hsu
  • Patent number: 8040792
    Abstract: Techniques for configuring a local repair connection for a protected connection including determining a path for the local repair connection. The path traversed by a local repair connection starts at a node in the path associated with the protected connection and ends at a merge point node in the path associated with the protected connection that is downstream from the start node. In one embodiment, the merge point node may even be more than two hops downstream from the start node in the path associated with the protected connection. The local repair path may include zero or more nodes that are not included in the path associated with the protected connection. Techniques are also described for optimizing the path associated with a local repair connection.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: October 18, 2011
    Assignee: Foundry Networks, LLC
    Inventors: Mohammad Hanif, Ivy Hsu
  • Publication number: 20090292943
    Abstract: Techniques for configuring a local repair connection for a protected connection including determining a path for the local repair connection. The path traversed by a local repair connection starts at a node in the path associated with the protected connection and ends at a merge point node in the path associated with the protected connection that is downstream from the start node. In one embodiment, the merge point node may even be more than two hops downstream from the start node in the path associated with the protected connection. The local repair path may include zero or more nodes that are not included in the path associated with the protected connection. Techniques are also described for optimizing the path associated with a local repair connection.
    Type: Application
    Filed: August 2, 2007
    Publication date: November 26, 2009
    Applicant: Foundry Networks, Inc.
    Inventors: Mohammad Hanif, Ivy Hsu
  • Publication number: 20050027782
    Abstract: Multicast capability in a virtual private LAN service (VPLS) is provided in a provider IP/MPLS infrastructure without headend replications by encapsulating a customer data packet to use an established multicast protocol, such as IP multicast. In one example, the customer data packet is encapsulated by an IP header having an IP multicast group address and an Ethernet header. In one implementation, a DNS type mechanism is provided to distribute the IP multicast addresses for VPLS use. Such IP multicast group address can be set aside from an administratively scoped address range. An efficient IP routing algorithm running on the provider's network provides an efficient distribution tree for routing IP-encapsulated customer packet for the VPLS.
    Type: Application
    Filed: August 1, 2003
    Publication date: February 3, 2005
    Inventors: Rajkumar Jalan, Louis Yun, Ivy Hsu