Patents by Inventor Warren S. Wainner

Warren S. Wainner 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).

  • Protection of control plane traffic against replayed and delayed packet attack
    Patent number: 8656170
    Abstract: Techniques are provided for determining freshness of control messages in a network. At a first device that is to enter into a secure communication session with a second device, timestamp information and time window size information are sent to the second device in a control message during a first exchange between a first device and a second device. At the first device, timestamp information and time window size information are obtained from a control message received from the second device by the first device during the first exchange. At the first device, the freshness of a control message is tested based on the timestamp information of the control message during a second exchange and the time window size information received from the second device during the first exchange.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: February 18, 2014
    Assignee: Cisco Technology, Inc.
    Inventors: Kavitha Kamarthy, Sheela D. Rowles, Dinesh Ranjit, Tanya Roosta, Warren S. Wainner
  • VPN processing via service insertion architecture
    Patent number: 8429400
    Abstract: In one embodiment, a method can include: (i) sending a request to join a group to a service broker; (ii) receiving from the service broker a list of key servers servicing the group; and (iii) sending registration information to a selected one of the key servers in the list.
    Type: Grant
    Filed: June 21, 2007
    Date of Patent: April 23, 2013
    Assignee: Cisco Technology, Inc.
    Inventors: Mohamed Khalid, Warren S. Wainner, Aamer Akhter, Paul Quinn
  • Protection of Control Plane Traffic Against Replayed and Delayed Packet Attack
    Publication number: 20110296185
    Abstract: Techniques are provided for determining freshness of control messages in a network. At a first device that is to enter into a secure communication session with a second device, timestamp information and time window size information are sent to the second device in a control message during a first exchange between a first device and a second device. At the first device, timestamp information and time window size information are obtained from a control message received from the second device by the first device during the first exchange. At the first device, the freshness of a control message is tested based on the timestamp information of the control message during a second exchange and the time window size information received from the second device during the first exchange.
    Type: Application
    Filed: May 28, 2010
    Publication date: December 1, 2011
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Kavitha Kamarthy, Sheela D. Rowles, Dinesh Ranjit, Tanya Roosta, Warren S. Wainner
  • VPN PROCESSING VIA SERVICE INSERTION ARCHITECTURE
    Publication number: 20080320303
    Abstract: In one embodiment, a method can include: (i) sending a request to join a group to a service broker; (ii) receiving from the service broker a list of key servers servicing the group; and (iii) sending registration information to a selected one of the key servers in the list.
    Type: Application
    Filed: June 21, 2007
    Publication date: December 25, 2008
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Mohamed Khalid, Warren S. Wainner, Aamer Akhter, Paul Quinn