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| Number | Title | Issue Date |
| 8116235 | Peer-to-peer aided live video sharing system Video data from an upload client is received at a hosting node. A request from a download client is received at a bootstrapping node to receive the video data. The download client to receive the video data directly from the hosting node when the hosting node is belo... | 02/14/2012 |
| 8111633 | Multicast trees for virtual private local area network (LAN) service multicast Principles of the invention are described for providing virtual private local area network service (VPLS) multicast instances across a public network by utilizing multicast trees. In particular, the VPLS multicast instances transport layer two (L2) multicast traffic... | 02/07/2012 |
| 8094585 | Membership management of network nodes Nodes of the network are organized into a tree structure having a plurality of vertices. Each vertex of the tree structure comprises a group having a plurality of nodes. Membership information is maintained at each node. The membership information for a given node c... | 01/10/2012 |
| 8089905 | Multicast distribution system and method for distributing data on a mesh virtual network Provided is a multicast distribution system which can perform a multicast distribution by selecting a communication path satisfying a communication feature required by a multicast group. A distribution source router (Rs) performs a multicast distribution to routers ... | 01/03/2012 |
| 8081583 | Method of supporting node portability in sensor network Provided is a method of supporting node portability in a sensor network, wherein data transmission to a portable node can be guaranteed since even when the portable node is assigned with a different address by being associated with another network, the newly assigne... | 12/20/2011 |
| 8068442 | Spanning tree protocol synchronization within virtual private networks Loop detection information, such as information associated with the Spanning Tree Protocol (STP), is synchronized within virtual private networks. A routing protocol, such as the Border Gateway Protocol (BGP), is extended in a manner that allows STP information or o... | 11/29/2011 |
| 8059563 | Assigning slots in a mesh network Assigning slots to nodes in a mesh network. Slot numbers are assigned to nodes in a wireless mesh network using a depth-first search combined with information on 2-hop neighborhoods for each node. Assigning slots using 2-hop neighborhood information allows slots to ... | 11/15/2011 |
| 8054765 | Systems and methods for providing variable protection The systems and methods maintain varying protection levels of related objects, such as when nodes of a data structure are protected at the same or greater protection level as their children nodes. In one embodiment, the nodes store data to track protection levels of... | 11/08/2011 |
| 8045487 | Method for implementing multicast in rapid spanning tree protocol ring network The present invention discloses a method for implementing multicast in RSTP (Rapid Spanning Tree Protocol) ring network. In the method, the port mode of a program is configured to a fixed port mode, a root port binding mode or an upper layer querier port following m... | 10/25/2011 |
| 8045488 | Using spanning tree protocol (STP) to enhance layer-2 network topology maps Spanning Tree Protocol (STP) data is obtained via network switch (SNMP) queries to enhance identification of switch-to-switch links in Layer-2 mapping. In particular, by analyzing the STP data, ambiguity in determining switch uplink ports may be reduced. Specificall... | 10/25/2011 |
| 8040824 | Methods and apparatus for content delivery via application level multicast with minimum communication delay A method for constructing an overlay multicast tree to deliver data from a source to an identified group of nodes is provided in which a plurality of nodes are identified and mapped into multidimensional Euclidean space. A geometric region is constructing having a s... | 10/18/2011 |
| 8040823 | Method and system for network data transmitting A method and system for network data transmitting in a communication system includes transmitting a data from at least one transmission node to at least one receiving node of a transmission-receiving group among the plurality of communication nodes by utilizing a no... | 10/18/2011 |
| 8036144 | Gateway selection method for wireless mesh network A gateway selection method for a wireless mesh network is provided for selecting an optimal gateway includes building a spanning routing tree to a given network. Reference factors of routers are calculated regarding the network to total network capacity in associati... | 10/11/2011 |
| 8031639 | Efficient probabilistic duplicate packet detector in computer networks In order to solve the problem of the detection of the arrival of duplicate data packets in an interconnected, multinode data processing system, each data packet is provided with a field of r bits that are randomly generated for each data packet. However, one of the ... | 10/04/2011 |
| 8023435 | Distribution scheme for distributing information in a network The present invention relates to a method and network node for distributing a network parameter information among network nodes of a transmission network. A spanning tree of routing paths corresponding to the shortest paths from said network node to other nodes is d... | 09/20/2011 |
| 8014320 | Method for discovering the physical topology of a telecommunications network A method and arrangement for discovering the physical topology of a telecommunication network having switches, routers, and a management node interconnected by links in a spanning tree and links to blocked interfaces. The management node broadcasts a ping message an... | 09/06/2011 |
| 8000266 | Shared virtual device ports In one embodiment, a solution is provided wherein multiple virtual devices may be configured on the same physical port of a network device. For example, a first virtual device and a second virtual device may be configured to use the same physical port. A single inte... | 08/16/2011 |
| 8000267 | Network routing with path identifiers One embodiment of the present invention provides a system that communicates a data packet in a network to a target node. In doing so, the system receives a node identifier for the target node, and determines a first positional label, based in part on the node identi... | 08/16/2011 |
| 7986643 | Determining and distributing routing paths for nodes in a network Disclosed are, inter alia, methods, apparatus, computer-storage media, mechanisms, and means associated with determining and distributing routing paths for nodes in a network. For each route computational node of multiple route computational nodes in a network: a tr... | 07/26/2011 |
| 7978633 | Method and system of updating routing/establishing paths in a hierarchical network A system and method of establishing and routing paths in a network hierarchy is disclosed. A radio base station updates a path from a mobile terminal to a lowest-layer router. The lowest-layer router establishes a path in which a network address to the mobile termin... | 07/12/2011 |
| 7974221 | Efficient content authentication in peer-to-peer networks In one exemplary embodiment, a method includes: providing an abstract tree structure having a root node, tree nodes, and leaf nodes, each leaf node corresponds to a portion of data; mapping first network nodes of a distributed network to the tree nodes; mapping seco... | 07/05/2011 |
| 7974222 | Method and apparatus for providing link-local IPv4 addressing across multiple interfaces of a network node Embodiments of the present invention provide link-local IPv4 addressing across multiple interfaces of a network-node. During operation, the network-node broadcasts an address resolution protocol (ARP) request packet on multiple interfaces which asks for the hardware... | 07/05/2011 |
| 7969914 | Method for establishing and operating a mobile Ad-Hoc network A method for creating an ad-hoc network that assembles a MANET inductively with no need for any node to request any information, needing only to hear information from an ad-hoc group of at least one node, to select its uplink relay node from the group. The resulting... | 06/28/2011 |
| 7969915 | Technical enhancements to STP (IEEE 802.1D) implementation An embodiment includes a method of minimizing the delay in convergence time for a complex STP topology following a topology change in the network system in the spanning tree protocol (STP) standard, including: receiving, by a root port of a first bridge, a data mess... | 06/28/2011 |
| 7965656 | Building multipoint pseudo wires using a multipoint label distribution protocol (MLDP) A method, apparatus and computer program product for building multipoint Pseudo Wires (PWs) using Multicast Label Distribution Protocol (MLDP) is presented. A multipoint PW leaf identifier (mTAI) is configured on one or more Layer 2 (L2) leaf interface(s) of a multi... | 06/21/2011 |
| 7965657 | Sounding reference signal cell specific sub-frame configuration A method of wireless communication including a plurality of fixed basestations and a plurality of mobile user equipment with each basestation transmitting to any user equipment within a corresponding cell a sounding reference signal sub-frame configuration indicatin... | 06/21/2011 |
| 7961652 | Method for traffic engineering of connectionless virtual private network services A method for traffic engineering of connectionless virtual private network (VPN) services that includes receiving physical connectivity data for a connectionless VPN. The data includes service nodes and links between the service nodes. One or more of the service nod... | 06/14/2011 |
| 7961651 | Method and system for managing energy in sensor network environment using spanning tree A method for managing energy in a sensor network environment using a spanning tree includes the steps of collecting amount of remaining energy of nodes at a predetermined cycle by a base station in a region having a number of clusters a number of nodes forming a spa... | 06/14/2011 |
| 7953027 | Rerouting multicast traffic in response to detecting imminent network disruption Various systems and methods for rerouting multicast traffic in response to detecting imminent network disruption are disclosed. One method involves detecting an imminent topology change and, in response, identifying a new multicast distribution tree for a multicast ... | 05/31/2011 |
| 7948922 | Blocked redundant link-aware spanning tree protocol enhancement An exemplary embodiment provides for a method for use in a network device of a plurality of network devices configured to implement a link management protocol for blocking ports corresponding to redundant links between individual network devices of the plurality of ... | 05/24/2011 |
| 7944859 | Network design method A network design method for Ethernet-type networks exhibiting capacities sufficient for operation during normal periods as well those as periods when a single node or link has failed. ... | 05/17/2011 |
| 7944858 | Method for protecting a network configuration set up by a spanning tree protocol A method for protecting a network configuration set up by a spanning tree protocol, STP, by selecting one of a plurality of bridges (2 to 11) of a computer network (1) as a root bridge (2) and by selecting one of a plurality of bridge por... | 05/17/2011 |
| 7944860 | Preventing loss of network traffic due to inconsistent configurations within the network In one embodiment, a method includes receiving at a processor at a node, notification of an error in a VLAN to topology mapping at the node, receiving a multi-destination packet from the VLAN in the VLAN to topology mapping, the multi-destination packet including a ... | 05/17/2011 |
| 7940699 | Spanning tree generation for supporting performance-guaranteed services over circuit-switched network Techniques are disclosed for generation of spanning trees that support provision of performance-guaranteed services over a circuit-switched network such as, for example, an optical-based network. For example, a technique for generating a spanning tree for use in for... | 05/10/2011 |
| 7940700 | Method of distributing multiple spanning tree protocol configuration A system and method of distributing a Multiple Spanning Tree Protocol (MSTP) configuration to at least one Ethernet switch. The method comprises assigning an Ethernet switch as a server switch. Based upon a configurable operation mode of the server switch and a conf... | 05/10/2011 |
| 7936702 | Interdomain bi-directional protocol independent multicast Facilitating Bi-Directional PIM communication between hosts in different multicast domains. A first rendezvous point (RP) router contained in a first multicast domain receives a first control packet. The first control packet includes a first multicast destination ad... | 05/03/2011 |
| 7936703 | Optimized cache consistency algorithm in a point-to-point interconnected multiple processor system A spanning tree is assigned to a processing node for each processing node in a point-to-point network that connects a plurality of processing nodes. The spanning tree uses the processing nodes as vertices and links of the network as edges. Each processing node inclu... | 05/03/2011 |
| 7936704 | Method for routing and load balancing in communication networks The invention concerns a method of configuring the topology of a communication network comprising a plurality of nodes (i,j, . . . , N), the communication network being organized as a forest structure comprising trees and subtrees, wherein at least one node i mainta... | 05/03/2011 |
| 7916669 | Method and system for STP-aware subscriber management A method and system for STP-aware subscriber management is disclosed for managing redundant access ports. The STP-aware system includes Access Loop Pairs which provide continuity of subscriber management information in the event of an access port failure. The STP-aw... | 03/29/2011 |
| 7916668 | Spanning tree protocol with burst avoidance An apparatus and method for controlling bridge protocol data unit bursts is disclosed. The invention in the preferred embodiment is a switching device with a port enabled with a link management protocol and a burst control state machine. The burst control state mach... | 03/29/2011 |
