Patents by Inventor Andrei Sergeev

Andrei Sergeev 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: 8014410
    Abstract: A method and a system for forwarding Ethernet packets by an Ethernet bridge in an Ethernet Layer 2 VPN network is provided. The method includes: notifying the first Ethernet bridge about the primary internal port associated with the receiving MAC-address and to the given VLAN identification; notifying the first Ethernet bridge about the backup internal port directly associated with the backup MPLS port acting as a backup MPLS port in an event of failure of the primary MPLS port; and, if the corresponding primary MPLS port has failed, forwarding Ethernet packets to the backup egress port of the receiving MAC-address having the given VLAN identification.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: September 6, 2011
    Assignee: Nokia Siemens Networks Gmbh & Co. KG
    Inventors: Andrei Sergeev, David Berechya
  • Publication number: 20090175280
    Abstract: A method and a system for forwarding Ethernet packets by an Ethernet bridge (EB1) in an Ethernet Layer 2 VPN network; said method being characterized in that it comprises the steps of: by the L2VPN module (VxI) of the ingress LER (ML1), notifying the first Ethernet bridge (EB1) about the primary internal port (4) associated to the receiving MAC-address (MACb) and to the given VLAN identification; by the L2VPN module (VxI) of the ingress LER (ML1), notifying the first Ethernet bridge (EB1) about the backup internal port (5) directly associated to the backup MPLS port (5m) which is acting as a backup MPLS port in an event of failure of the primary MPLS port (4m); by the first Ethernet bridge (EB1), adding to the internal filtering database the backup internal port (5) to be used in the event of failure of the primary MPLS port (4m) so as to create a combined filtering database; by the ingress MPLS LER (ML1), notifying the first Ethernet bridge (EB1) about MPLS ports status; by the at least one transmitting CE d
    Type: Application
    Filed: April 23, 2007
    Publication date: July 9, 2009
    Applicant: Nokia Siemens Networks GmbH & Co.KG
    Inventors: David Berechya, Andrei Sergeev