Patents by Inventor Michael T. Rollins

Michael T. Rollins 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: 8345540
    Abstract: In general, techniques are described for implementing a virtual snooping bridge in computer networks. The techniques may be implemented by a ring network comprised of a plurality of ring network devices arranged in a ring topology. In one aspect, a ring network device coupled to an adjacent device that provides access to multicast content implements the techniques. This ring network device comprises one or more ports and a control unit. The ports receive ring messages from one or more of the other ring network devices in accordance with a group management ring protocol (GMRP). The ring messages indicate operations requested by one or more host devices with respect to delivery of content of the multicast group. The control unit then presents the received operations to the adjacent network device such that, from the perspective of the adjacent network device, the ring network appears as a single layer two network device.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: January 1, 2013
    Assignee: Calix, Inc.
    Inventor: Michael T. Rollins
  • Publication number: 20110249551
    Abstract: In general, techniques are described for implementing a virtual snooping bridge in computer networks. The techniques may be implemented by a ring network comprised of a plurality of ring network devices arranged in a ring topology. In one aspect, a ring network device coupled to an adjacent device that provides access to multicast content implements the techniques. This ring network device comprises one or more ports and a control unit. The ports receive ring messages from one or more of the other ring network devices in accordance with a group management ring protocol (GMRP). The ring messages indicate operations requested by one or more host devices with respect to delivery of content of the multicast group. The control unit then presents the received operations to the adjacent network device such that, from the perspective of the adjacent network device, the ring network appears as a single layer two network device.
    Type: Application
    Filed: April 13, 2010
    Publication date: October 13, 2011
    Applicant: Calix, Inc.
    Inventor: Michael T. Rollins