Patents by Inventor Daniel Williston

Daniel Williston 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).

  • Hub and spoke multicast model
    Patent number: 7894430
    Abstract: Techniques for implementing multicast messaging between spokes in a hub and spoke network are provided in the present disclosure. Multicast messages may be efficiently routed by creating separate multicast groups for upstream traffic from a source spoke to the hub (a “To Hub” group joined by the hub) and downstream traffic from the hub to spokes (a “From Hub” group joined by spokes interested in receiving multicast messages). A source spoke may send a multicast message encapsulated in a packet with the “To Hub” group address as the destination. Upon receipt, the hub may re-route the multicast message to spokes that have joined the “From Hub” group by encapsulating the original message in a packet with the “From Hub” group address as the destination.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: February 22, 2011
    Assignee: Cisco Technology, Inc.
    Inventors: Amal Maalouf, Daniel Williston, Yiqun Cai
  • HUB AND SPOKE MULTICAST MODEL
    Publication number: 20090129383
    Abstract: Techniques for implementing multicast messaging between spokes in a hub and spoke network are provided in the present disclosure. Multicast messages may be efficiently routed by creating separate multicast groups for upstream traffic from a source spoke to the hub (a “To Hub” group joined by the hub) and downstream traffic from the hub to spokes (a “From Hub” group joined by spokes interested in receiving multicast messages). A source spoke may send a multicast message encapsulated in a packet with the “To Hub” group address as the destination. Upon receipt, the hub may re-route the multicast message to spokes that have joined the “From Hub” group by encapsulating the original message in a packet with the “From Hub” group address as the destination.
    Type: Application
    Filed: November 21, 2007
    Publication date: May 21, 2009
    Inventors: Amal Maalouf, Daniel Williston, Yiqun Cai