Famous Patents
British merchant Peter Durand invented the tin can in 1810.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8174967 | Method to reduce routing convergence at the edge In a network comprising a provider edge router coupled to each of a mated pair of core routers in a core network, a system and methodology for rerouting upstream traffic destined for the provider edge router in the event of a link failure between one of the core rou... | 05/08/2012 |
| 8139478 | Recovery method for an optical network A system and method of routing communication signals is provided. A first technique uses a packet switched device that operates using Internet Protocol, the packet switched device determines one or more commands based on a routing request to establish, maintain, res... | 03/20/2012 |
| 8111615 | Dynamic update of route table A method and apparatus for dynamically modifying routing information in an interconnect architecture without quiescence is herein described. Each agent/node holds routing information regarding target agents/nodes in an interconnect architecture, which may include ro... | 02/07/2012 |
| 8081563 | Protecting multi-segment pseudowires The protection of multi-segment pseudowires by utilizing pre-computed backup paths is disclosed herein. Disclosed embodiments include methods that establish at least one backup path for multi-segment pseudowires, the establishing being performed prior to detection o... | 12/20/2011 |
| 8027249 | Methods for using a detector to monitor and detect channel occupancy Methods for using a detector to monitor and detect channel occupancy are disclosed. The detector resides on a station within a network using a framed format having a periodic time structure. When non-cooperative transmissions are detected by the network, the detecto... | 09/27/2011 |
| 8018840 | Interference mitigation and adaptive routing in wireless ad-hoc packet-switched networks Described are an apparatus and method for routing packets through a multiple-hop wireless communications network. Interference with packet switched communications carried by radio frequency (RF) over the multiple-hop wireless communications network is detected. In r... | 09/13/2011 |
| 7995468 | Communication apparatus and control method thereof A communication apparatus (receiving apparatus) configured to receive a communication parameter selects, when an access point itself is active as a providing apparatus or the communication apparatus detects an access point (active access point) that is communicable ... | 08/09/2011 |
| 7995467 | Apparatus and method for adapting to failures in gateway devices in mesh networks Various embodiments provide an apparatus and method for adapting to failures in gateway devices in mesh networks. An example embodiment is configured to provide a plurality of interconnected nodes in a mesh network, at least one node of the plurality of nodes being ... | 08/09/2011 |
| 7986618 | Distinguishing between link and node failure to facilitate fast reroute Systems and methods for distinguishing a node failure from a link failure are provided. By strengthening the assumption of independent failures, bandwidth sharing among backup tunnels protecting links and nodes of a network is facilitated as well as distributed comp... | 07/26/2011 |
| 7974184 | Radio network system and control node switching method A radio network system and a control node switching method which can improve a reliability of the whole network and improve a wording efficiency. The system includes at least one alternate control node which can be substituted form the control node. The alternate co... | 07/05/2011 |
| 7952993 | Automatic network connection device and method thereof An automatic network connection device includes a first connection port, a second connection port, a first network connection unit, a second network connection unit, a control unit, and a switching unit. When the first network connection unit operates normally, the ... | 05/31/2011 |
| 7929425 | Resource reservation protocol—traffic engineering with adaptive hot redundancy A network interface device with resource reservation protocol-traffic engineering capability and improved hot redundancy. A first interface card is provided for receiving a request, which specifies a data session between two host devices in a network, from an adjace... | 04/19/2011 |
| 7903546 | Detecting unavailable network connections A method for detecting unavailable network connections comprises, at a first data processing node that is hosting a transport protocol connection that uses a plurality of sequence values to identify messages sent to a peer node, wherein the first node is communicati... | 03/08/2011 |
| 7852753 | Method and apparatus for centralized selection of a control network An apparatus and method for centrally selecting a control network from redundant control networks is described. In one embodiment of the invention, a network element includes a first control network and a second control network. Each line card implements a bonding i... | 12/14/2010 |
| 7852752 | Method and apparatus for designing backup communication path, and computer product A communication node selecting unit selects a communication node where a time for transferring a failure notification message from a plurality of failure detected communication nodes which detect a plurality of failures on an active communication path to be protecte... | 12/14/2010 |
| 7843811 | Method of solving a split-brain condition In a cluster system comprising at least two nodes connected via a communication network and having a name and a host weight assigned to it, a method is implemented comprising the steps of inspecting the communication link, determining which node has to be shut down ... | 11/30/2010 |
| 7835271 | Signaling protocol for p-cycle restoration Improved p-cycle restoration techniques using a signaling protocol are disclosed. For example, a technique for use in at least one node of a data communication network for recovering from a failure, wherein the data communication network includes multiple nodes and ... | 11/16/2010 |
| 7821923 | Optimized SIP routing architecture using an integrated network and systems approach Session initiation protocol (SIP) control traffic routing decisions, such as rapid failure detection and recovery mechanisms, are based on detection of events and/or conditions that may result in suboptimal performance. The disclosed approach ensures that the SIP tr... | 10/26/2010 |
| 7710865 | Disaster recovery for active-standby data center using route health and BGP The present invention provides an active/standby data center that avoids the delay associated with a cached DNS entry to switch from the active data center to the standby data center. When the active data center becomes unavailable, the standby data center advertise... | 05/04/2010 |
| 7656790 | Handling link failures with re-tagging One embodiment disclosed relates to a method of handling link failures between switches. A failed link is detected at a detecting switch. The detecting switch determines a set of path tags whose paths are affected by the failed link. Subsequently, when packets are r... | 02/02/2010 |
| 7626924 | Transmission device and label allocation method In a network having a main route and a protection route, a branch node reflects label limit information for the main route into the label limit information for the protection route, and allocates to the main route, a label related to the label for the protection rou... | 12/01/2009 |
| 7616558 | Reduction of the transport capacity of a virtual concatenation group The transport capacity of a Virtual Concatenation Group (VCG) can be reduced under control of a Link Capacity Adjustment Scheme (LCAS). The VCG comprises link members, in which payload data are transmitted. A first control message comprising a fail message (RFA... | 11/10/2009 |
| 7590052 | System and method for providing telecommunications service using a wireless link A system and method for providing telecommunications service to users in a service area using a wireless link. An office-side connection system is provided for connecting a local distribution system to the central office switch. The local distribution system include... | 09/15/2009 |
| 7573813 | Method for configuring and routing data within a wireless multihop network and a wireless network for implementing the same A method routes packets in a wireless network which includes a control node and a multiplicity of individual nodes. The method includes: inserting a routing logical address into each packet which is transmitted between a sending node and a destination node, wherein ... | 08/11/2009 |
| 7564778 | Method of and control node for detecting failure A method of detecting a failure in a network, which includes a transport plane comprised of a plurality of communication nodes performing optical cross-connect and a control plane comprised of a plurality of control nodes that are connected to and control the respec... | 07/21/2009 |
| 7554904 | System and method for service independent data routing Data are rerouted over a network having a uniform-capacity Tandem Connection by detecting a failure in a link in a path, maintaining the path through a Tandem Connection that does not include the failed link, and rerouting the data through the Tandem Connection base... | 06/30/2009 |
| 7551552 | Method for providing guaranteed distributed failure notification A guaranteed distributed failure notification method is described, wherein a failure notification (FN) facility allows applications using the facility to create FN groups to which the application associates an application state. The application registers failure han... | 06/23/2009 |
| 7525905 | Method for the protection of the connection between a transport network hub and a central site/pop The present invention provides for a method for Enhanced Equipment Protection Switch for Customer's device Dual-Homing, in an interconnection between a Central site/Pop and a Transport Network Hub by two boards. Each board is simultaneously connected to the Switchin... | 04/28/2009 |
| 7525906 | Disaster recovery for active-standby data center using route health and BGP The present invention provides an active/standby data center that avoids the delay associated with a cached DNS entry to switch from the active data center to the standby data center. When the active data center becomes unavailable, the standby data center advertise... | 04/28/2009 |
| 7518987 | Mechanisms for providing connectivity in NAT redundant/fail-over scenarios in unshared address-space Disclosed are methods and apparatus for facilitating reliable session based communication with a local host via a subnet of redundant network devices that also implement network address translation (NAT) or the like. In general, embodiments of the present invention ... | 04/14/2009 |
| 7515529 | Efficient mechanism for fast recovery in case of border router node failure in a computer network A technique protects traffic (IP) against the failure of a border router between two domains in a computer network using Fast Reroute and backup tunnels. The border router (i.e., the “protected border router”) announces/advertises a list of all its adjacent next... | 04/07/2009 |
| 7486612 | Fault-tolerant multicasting network A multicasting network includes a number of routers that are connected together to form a ring. The routers include a source router that identifies incoming multicasting data packets, and forwards the multicasting data packets in both directions on the ring. The rou... | 02/03/2009 |
| 7443788 | Method and apparatus for improving performance of a loop network A method and apparatus for improving performance of a loop network, in particular a Fiber Channel Arbitrated Loop. The loop network has two loops and a plurality of dual-ported devices each with one port on each loop. The method includes selectively bypassing redund... | 10/28/2008 |
| 7440414 | Communication relay device with redundancy function for line in network in accordance with WAN environment and communication system using the same A communication relay device with a redundancy function for a line in a network under a WAN environment is connected to another, having a one-to-one relationship at both ends of each line by first and second ports to configure a redundancy channel between lines. A c... | 10/21/2008 |
| 7437596 | Self-healing control network for building automation systems In building automation architectures, components may be associated through physical communications paths and at a different level through building automation applications. Building automation applications implement control processes for a building function. Due to c... | 10/14/2008 |
| 7415627 | Partitioning and categorizing data in a split-plane architecture for fast recovery from data plane failures and fast restarts Routes between data planes are partitioned according to the source and destination data planes. Partitions are distributed according to the source data plane associated with the partition. Each data plane is configured to clear and resynchronize its own routes when ... | 08/19/2008 |
| 7406032 | Bandwidth management for MPLS fast rerouting Certain exemplary embodiments provide a method comprising: in a network at a node located on a label switched path: selecting a backup path to respond to a failure; and for each link along the backup path, reserving a backup bandwidth, wherein the backup bandwidth i... | 07/29/2008 |
| 7379418 | Method for ensuring system serialization (quiesce) in a multi-processor environment A method of ensuring system serialization in a multiprocessor multi-nodal environment is used to force all processors in a multiprocessor environment to temporarily suspend operations while one processor changes the system state. Architected designs where latencies ... | 05/27/2008 |
| 7376078 | Selective replay of a state information within a computing device A router synchronizes state information between a plurality of control units. The router includes a primary control unit and a standby control unit. To ensure proper operation of the router, the primary control unit maintains router resources by receiving state info... | 05/20/2008 |
| 7372803 | Apparatus and method for establishment and protection of connections within mesh networks A node within a mesh network includes an Optical Connection Controller (OCC) and a network element. When a connection path within the mesh network is required, an OCC determines if a particular connection path requires a network element to operate as a virtual gatew... | 05/13/2008 |
