Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8077604 | Load sharing and redundancy scheme Methods and apparatus for providing a device for forwarding packets in a network are disclosed. A first router and a second router having a shared set of interfaces are provided, enabling the first router and the second router to share forwarding data for forwarding... | 12/13/2011 |
| 8040794 | Server to network signaling method for rapid switching between anycast multicast sources The subject application is directed to a system and method for rapid switching between anycast multicast sources. Multiple streams of data are received by a server. The server associates a separate source address to each of the received streams and sources the multi... | 10/18/2011 |
| 8027248 | Access port adoption to multiple wireless switches An apparatus, network and techniques for minimizing wireless network downtime associated with a wireless switch failure are disclosed. Access ports are adopted to multiple wireless switches wherein one switch operates to exchange data and control traffic with the ac... | 09/27/2011 |
| 8023407 | Redundancy in a communication network A method for providing redundancy within a communication network, the method provides means for using the same IP address with a plurality of hosts located in different subnets, non-simultaneously, without requiring any additional programming for routers in the netw... | 09/20/2011 |
| 8023406 | Route reflector for a communication system A method, system and apparatus for routing of data transmitted from a mobile electronic device to a first host of a plurality of hosts in a communication network using a Border Gateway Protocol (BGP) is provided. It is determined that the first host has failed via r... | 09/20/2011 |
| 8018838 | Apparatus and method for protection switching in a network A system supports 50 ms protection switching times independent of network architecture. The system includes multiple protection switch fabrics to perform facility protection switching for the signals and a central switch fabric to switch a subset of the signals in a... | 09/13/2011 |
| 8018839 | Synchronizing packet sequence numbers for line card redundancy Exemplary embodiments relate to a network node implementing redundant cards and configured to synchronize sequence numbers, and a related method. The network node may include a fabric configured to route packets towards a destination. Furthermore, the network node m... | 09/13/2011 |
| 8009556 | System and method for providing redundant routing capabilities for a network node A routing device that provides redundancy for a node is envisioned. The routing device has a dynamic routing module operable to start functioning at a particular time. A configuration manager is provided. The configuration manager is coupled to a second routing devi... | 08/30/2011 |
| 8004964 | Restoring multi-segment pseudowires following failure of a switching PE device In one embodiment, a protected switching provider edge (S-PE) and a backup S-PE may be operated, where the protected S-PE has at least one multi-segment pseudowire (MS-PW) and is between a first and second provider edge (PE) on the MS-PW. To protect the protected S-... | 08/23/2011 |
| 8000230 | Fully redundant linearly expandable broadcast router A fully redundant linearly expandable router is comprised of first, second, third and fourth router components. Each router component includes first and second routing engines. First, second and third discrete links couple the first routing engine to the first routi... | 08/16/2011 |
| 8000231 | Method, system, and apparatus for network device to access packet switched network A method for a network device to access a packet switched network is applied to a system in which the network device accesses the packet switched network by connecting to PEs in an active-standby mode. The method includes: an active PE and a standby PE each sends a ... | 08/16/2011 |
| 7990849 | Automated recovery from a split segment condition in a layer2 network for teamed network resources of a computer system A computer system automatically recovers from a split segment condition in which a contiguous layer 2 network segment, comprising a plurality of contiguous paths each directly coupling one or more members of a team of network resources of the computer system to a co... | 08/02/2011 |
| 7983153 | Fast reroute (FRR) protection at the edge of a RFC 2547 network In one embodiment, an edge device in a first routing domain is configured to communicate with a second routing domain via a data link. The edge device receives a data packet containing a destination address that is reachable via the second routing domain and an indi... | 07/19/2011 |
| 7948873 | Method for recovery of a controlled failover of a border gateway protocol speaker A method and apparatus for recovering from a controlled failover of a BGP speaker is provided. A user sends, to a network element, a request to switch a designation of an active Border Gateway Protocol (BGP) speaker of the network element from a first BGP speaker to... | 05/24/2011 |
| 7940650 | Peer-agnostic TCP socket replication between primary and secondary routing engines This application describes techniques for peer-agnostic socket replication to implement graceful failover. An exemplary method to enable non-stop routing includes receiving a packet with a first routing engine of a network device having the first routing engine and ... | 05/10/2011 |
| 7936666 | Virtual router with a priority value per port A virtual router spans a number of physical routing devices. A set of physical ports on one of the physical routing devices is logically represented as a trunk. A respective port priority value is associated with each of those ports, and a device priority value is a... | 05/03/2011 |
| 7933198 | Virtual router failover dampening A virtual router spans a number of physical routing devices. One of the physical routing devices is designated as master, and the other physical routing devices are designated as backups to the master. A failover protocol that includes both a non-dampened state and ... | 04/26/2011 |
| 7929421 | Application driven router redundancy protocol In an embodiment of the invention, a method for providing a router redundancy in a network, includes: monitoring a primary router for a failure event; and selecting a fail-over router to assume the role of the primary router if the failure event occurs in the primar... | 04/19/2011 |
| 7929422 | Method of moving a transport connection among network hosts A method is disclosed for providing fault tolerance of an application over a Stream Control Transmission Protocol (SCTP) connection. A method for moving a transport connection from a first host to a second host on a network is also described. After establishing a tr... | 04/19/2011 |
| 7929423 | MLPPP sequence number synchronization between the active and standby transmitters A method and system for MLPPP sequence number synchronization between the active and standby side transmitters is disclosed. The MLPPP sequence number synchronization system includes a method for the standby side to associate transmit frame fragment numbers used by ... | 04/19/2011 |
| 7911940 | Adaptive redundancy protection scheme A redundancy protection scheme comprises sending a protection packet from the primary network interface to the secondary network interface, the protection packet having a hardware address of the primary network interface as a source address and a hardware address of... | 03/22/2011 |
| 7894335 | Redundant routing capabilities for a network node cluster Graceful/hitless restart features from a routing/signaling protocol may be utilized along with synchronization between cluster members in order to provide routing capabilities in a clustering environment. During normal operation, the active cluster member may operat... | 02/22/2011 |
| 7885181 | Ring node apparatus According to an aspect of an embodiment, a node apparatus used in at least part of nodes in a network formed by a plurality of nodes coupled in the shape of a ring, comprising: a working node function performing unit for performing functions as a working apparatus t... | 02/08/2011 |
| 7885180 | Address resolution request mirroring Address Resolution Protocol (ARP) request mirroring can provide a mechanism for synchronizing link-layer adjacency information among network elements. This application can be useful, for example, for internet protocol (IP) routing network elements in a high-availabi... | 02/08/2011 |
| 7839769 | Method for the organization of network nodes in a packet-switched network There is described a method to organize a network, wherein if for a first router set up as the default gateway an inaccessibility of an assigned network element is detected at an interface of the first router a second router is set up as the logical default gateway.... | 11/23/2010 |
| 7839768 | Redundant ethernet packet network management Methods and systems for configuring nodes in a redundant network configuration include identifying a master node from a plurality of nodes in the network by sending a configuration packet to each node. The configuration packet includes an identification number repre... | 11/23/2010 |
| 7817539 | Resilient routing systems and methods A network comprises nodes and links. In addition to a default topology there are backup configurations. Each node is inhibited from transferring data between nodes in at least one backup configuration. When a node detects a fault in the reception of data transmitted... | 10/19/2010 |
| 7808892 | Redundant data distribution systems and methods A communications system includes a plurality of operational nodes and a plurality of data distribution systems. A data distribution system operating in an active mode manages exchanges of data between the operational nodes and further operable to periodically transm... | 10/05/2010 |
| 7804770 | Method and apparatus for performing a graceful restart in a NSF-capable router without enhancing link state routing protocols A graceful restart is provided in a NSF capable router. When a switchover to a standby controller is required, the standby controller receives replicated link state message headers from an active controller. The standby controller generates a link state request (LSR... | 09/28/2010 |
| 7787363 | Dual-purpose uplinks used in a fault-tolerant stack A fault-tolerant stack of low cost switches each having only two dual-purpose uplinks is enabled by utilizing a specified topology for connecting the uplinks and implementing a recovery algorithm on each switch. ... | 08/31/2010 |
| 7782765 | Distributed protection switching architecture for point-to-point microwave radio systems A system and method for protecting a received data stream. Active receivers and standby receivers are provided, each adaptable to receive a data stream on a traffic channel. Plural data processing units are operatively in communication with the receivers. At least o... | 08/24/2010 |
| 7764601 | Switching between layer 2 switches as destination of IP packets from cards A layer 2 switch switching circuit has two layer 2 switches of a redundant configuration and a plurality of cards for sending IP packets to each other through either one of the two layer 2 switches. Each of the two layer 2 switches has a ... | 07/27/2010 |
| 7760622 | Redundant router set up Methods, systems, and devices are provided for controlling the power level of voice signal streams. One embodiment of a network device having router functionality includes a processor, memory in communication with the processor, and program instructions. The program... | 07/20/2010 |
| 7751312 | System and method for packet switch cards re-synchronization The disclosed invention relates to a re-synchronization system that operates in a switching arrangement receiving a plurality of incoming data packets. The switching arrangement is made of an active switch card that transmits the incoming data packets and a backup s... | 07/06/2010 |
| 7742401 | Network having switchover with no data loss A data switchover from a first switching module to a second switching module has no data loss. A graceful code upgrade in a Fibre Channel network, for example, with no data loss can be achieved. ... | 06/22/2010 |
| 7715310 | L2VPN redundancy with ethernet access domain Redundancy for Virtual Private Network (VPN) service with an Ethernet access network is provided by a full-mesh of dedicated pseudowires connected among the network-facing provider edge (n-PE) devices, each of which is associated with the same Ethernet access networ... | 05/11/2010 |
| 7706254 | Method and system for providing ethernet protection A method is provided for providing protection of a local area network (LAN) connection that includes providing first and second LAN cards in a multi-service platform. The first and second LAN cards each include at least one port. The first and second LAN cards are c... | 04/27/2010 |
| 7706255 | Communications apparatus with redundant switching or backpressure mechanism A communications apparatus includes several functional modules for implementing an application, a pair of switch modules to provide redundant switching capability for transferring frames between the functional modules. Each functional module is connected to each swi... | 04/27/2010 |
| 7693048 | Enhanced internal router redundancy Disclosed are methods and apparatus for providing redundant data forwarding or routing capabilities. In one embodiment, a network device includes a designated router and a non-designated router. The designated router generally provides layer 3 switching or routing f... | 04/06/2010 |
| 7684315 | Ordered switchover of cable modems A cable modem termination system (CMTS) provides for ordered switchover of the cable modems it serves when a primary module of the CMTS fails. When the primary module in the CMTS fails, a backup module takes over service of the cable modems. The backup module restor... | 03/23/2010 |
