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Class 370/238 - Least cost or minimum delay routing


Subclass of Class 370 - Multiplex communications
Definition: Subject matter wherein data is communicated on a channel
No. of patents: 1433
Last issue date: 05/29/2012


1                      
NumberTitleIssue Date
8189481QoS-based routing for CE-based VPN
CE devices of the present invention are enabled to make more judicious routing decisions in CE-based VPNs. In determining a next-hop in a path from a source CE to a destination subnet, CE-to-CE costs are associated with each next-hop CE in a plurality of next-hop CE...
05/29/2012
8189482Probing-based mechanism to reduce preemption perturbation caused by higher priority tunnel establishment in a computer network
In one embodiment, a routing node (e.g., a head-end node) determines a desire to route a selected tunnel (e.g., reroute), and computes a path for the selected tunnel. The routing node probes the path to discover information about tunnels that would be displaced by t...
05/29/2012
8179801Routing-based proximity for communication networks
A node in an overlay network requests a ranked list of other nodes in multiple areas of the overlay network that can provide a desired piece of content or service to the requesting node. A separate node such as a router generates the ranked list using a routing algo...
05/15/2012
8174989Method and apparatus for cost-effective design of large-scale sensor networks
Arrangements and methods for developing a software toolkit that can be used to design or obtain parameters for a sensor network. High-level guidelines on the basic relations between sensor network parameters like number of sensors, degree of quantization at each sen...
05/08/2012
8169916Multi-platform video delivery configuration
A system and a method are disclosed for delivering a video to a destination device using multiple sources and multiple protocols. The video can be on demand or a live video. A video is divided into several chunks distributed across devices and servers in the network...
05/01/2012
8159954Method and arragement for advanced routing metrics in multihop networks
The inventors have envisioned a multihop network scenario in which nodes are equipped with advanced multi-antenna arrangements, and recognized the advantage of exploring the presence of such advanced antenna arrangements in multihop network nodes for the specific pu...
04/17/2012
8159955Method and arrangement for link cost determination for routing in wireless networks
The invention relates to determination of a link cost employable in route determination and data forwarding in a multihop communication network (1). This link cost is adapted to the particular characteristics of wireless contention-based networks (1), ...
04/17/2012
8155009Routing engine for telecommunications network
A system for automated installation of a communication line using an optimal route between a source location and a destination location is disclosed. The system includes a routing engine providing an automated design process for rendering the optimal route. The rout...
04/10/2012
8155007Path optimization for mesh access points in a wireless mesh network
In one embodiment, a method includes, in each of a plurality of mesh access points, connecting to one of a plurality of mesh controllers in a mesh network and passing connection information to the one mesh controller. The mesh access points include a wired mesh acce...
04/10/2012
8155008Method for enabling the efficient operation of arbitrarily interconnected mesh networks
Wireless mesh networks (or “meshes”) are enabled for arbitrary interconnection to each other and may provide varying levels of coverage and redundancy as desired. Interoperability between meshes having differing configurations, internal operations, or both, may ...
04/10/2012
8149717System and method to provide differentiated routing in multi-hop multi-radio wireless networks
A method provides for differentiating usage permissions between different categories of communication traffic within a given network. The method includes ensuring one or more categories of traffic never transits communication radios, link, and/or spectrums dedicated...
04/03/2012
8149714Routing engine for telecommunications network
A system for automated installation of a communication line using an optimal route between a source location and a destination location is disclosed. The system includes a routing module configured to provide an automated design process for rendering the optimal rou...
04/03/2012
8149715Mesh network operations
Various embodiments provide improved mesh networks with properties that address various shortcomings of current mesh network implementations. At least some embodiments are directed to improving operations of mesh networks in connection with battery powered devices a...
04/03/2012
8149716Systems and methods for adaptive routing in mobile ad-hoc networks and disruption tolerant networks
The systems and methods described herein include adaptive routing processes for packet-based wireless communication networks. This routing approach works both in MANETs (when a contemporaneous end-to-end path is available) and in DTNs (when a contemporaneous end to ...
04/03/2012
8144595Variable translucency no-sight routing for AD-HOC networks
A system comprising a plurality of nodes forming a network and a link-state packet capable of being transmitted by a source node in the network to a destination node in the network over a communication link; wherein the source node subtracts a transmission cost asso...
03/27/2012
8144596Communication and message route optimization and messaging in a mesh network
A method and system facilitate communications between an unassociated device and a server via a mesh network and a wide area network. The method may include receiving transmissions from candidate proxy devices, wherein each candidate proxy device is associated with ...
03/27/2012
8144597Path selection for a wireless system with relays
A method selects a path for forwarding a data packet in a wireless communication system. A system capacity versus delay impact curve is calculated for a direct path to mobile station. The direct path has a capacity cost based on communication quality of a direct lin...
03/27/2012
8144598Routing engine for telecommunications network
A system for automated installation of a communication line using an optimal route between a source location and a destination location is disclosed. The system includes a routing engine providing an automated design process for rendering the optimal route. The rout...
03/27/2012
8139492Local forwarding bias in a multi-chassis router
Techniques are described for reducing the amount of data traffic carried on inter-chassis links within a multi-chassis router. A multi-chassis router is described in which the packet forwarding engines (PFEs) of each chassis receive and modify forwarding structures,...
03/20/2012
8130657Network routing using a retransmission-time-based link metric
A system computes link costs for a multi-hop wireless network. During operation, the system receives topological information for the multi-hop wireless network which includes a set of nodes, a set of links, and a success probability for a respective link. The system...
03/06/2012
8121039United route query method in the automatic switched optical network
A joint route query method in ASON. After the route controller in each route domain has received a route query request, it calls a routing algorithm based on the request and the route calculation is performed based on the route database of the current node; if the r...
02/21/2012
8116206Method and system for routing frames in a network
A method for routing frames is provided. The method comprises: receiving a frame at a receive port segment of a port for a switch element; generating a tag based on information included in the frame, where the tag identifies a location where the frame is stored in t...
02/14/2012
8107379Dynamic TE-LSP priority and preemption
A technique dynamically assigns priorities to traffic engineering (TE) label switched paths (LSPs) from a head-end node of a computer network. The novel technique increases the ability to place TE-LSPs that would be otherwise blocked by bandwidth fragmentation. Spec...
01/31/2012
8107380System and method for operating a communication system
A method for operating a communication system is provided. The method includes monitoring traffic within a communication network to determine a traffic volume, and determining a routing table update rate based on the traffic volume. The method also includes receivin...
01/31/2012
8102775Joining tree-based networks into an autonomous system using peer connections between the tree-based networks
In one embodiment, a first router attaches to an attachment router based on detecting a first router advertisement message specifying an attachment prefix and a first tree information option. The first tree information option includes a first IP host address of a fi...
01/24/2012
8098584Optimization of traffic routing for data center services
Techniques and systems for providing optimization of traffic routing for data centers are disclosed herein. In some embodiments, a method may include identifying a plurality of available source sites and paths or routes between an online service provider (OSP) and a...
01/17/2012
8085672Wireless routing implementation
A wireless communications system comprising a number of node devices and a base station, and having a routing calculator, wherein the system is operating with a first routing map, the routing calculator gathers data relating to communications between node devices an...
12/27/2011
8081573Automatic sequencing based on wireless connectivity
A method of determining the sequence of traversing nodes in a communication network is provided. The method comprises with each node, determining other nodes in the network it can reach in a single hop. Creating a local sequence connection order based on the determi...
12/20/2011
8077623Signal routing in processor arrays
There is provided a method for routing a plurality of signals in a processor array, the processor array comprising a plurality of processor elements interconnected by a network of switches, each signal having a respective source processor element and at least one de...
12/13/2011
8068428System and method for performing topology control in a wireless network
A system and method for performing topology control in a wireless network (100). The system and method operate to enable a node (102-1) to determine the link cost of a link between itself and another node (102-2), based on the numb...
11/29/2011
8040810Method for routing packets in wireless ad-hoc networks with probabilistic delay guarantees
A method determines an optimal route to deliver a packet from a source node via relay nodes to a destination node in a network. A graph of nodes connected by edges represents possible routes in the network. A probability that the packet arrives at the destination be...
10/18/2011
8040808Service aware path selection with a network acceleration device
An intermediate network device performs service aware path selection. For example, the intermediate network device comprises a network interface that receives network traffic and a control unit that couples to the network interface. The control unit comprises a stor...
10/18/2011
8040809Client QoS based connection session jogging
Aspects of a method and system for a client QoS based connection session jogging are provided. While receiving a service over a particular delivery route, a user of a user device is provided with the capability to request an alternate route to continue to deliver th...
10/18/2011
8036130Minimization of channel filters within wireless access nodes
A wireless access node includes a first radio operable to transmit/receive on one of at least N transmission channels. A second radio is operable to transmit/receive on another one of the at least N transmission channels. A first filter bank, of less than N filters,...
10/11/2011
8031615Balancing clusters of a wireless mesh network
An apparatus and method of propagating a size of a cluster within a wireless mesh network is disclosed. The method includes a gateway within the cluster maintaining information of access nodes within the cluster. The gateway determines a cluster size based on the ma...
10/04/2011
8031614Method and apparatus for routing data in an inter-nodal communications lattice of a massively parallel computer system by dynamic global mapping of contended links
A massively parallel nodal computer system periodically collects and broadcasts usage data for an internal communications network. A node sending data over the network makes a global routing determination using the network usage data. Preferably, network usage data ...
10/04/2011
8031613System for routing internet traffic over backbone providers
An apparatus and method for real-time buying and selling of Internet Protocol (IP) transit is described. Embodiments include a platform for routing IP traffic in real time from at least one network user to a plurality of backbone providers. Embodiments further inclu...
10/04/2011
8027259Opportunistic routing protocol in ad hoc networks
An opportunistic ad hoc routing protocol system and method includes a dynamic ad hoc network having one or more nodes configured to communicate wirelessly with each other. Each node is configured to implement a routing protocol wherein a list of possible relay nodes...
09/27/2011
8027261Method for tracking network parameters
Network parameters are tracked in a communication network, particularly in a packet-based IP network. A traffic matrix for the network is regularly ascertained and a blocking probability for traffic subject to an access control is determined from a current traffic m...
09/27/2011
8027260Mixed integer programming model for minimizing leased access network costs
A device receives network configuration information from a network, determines a logical network based on the network configuration information, and constructs a mixed integer programming (MIP) model based on the logical network. The device also calculates an optima...
09/27/2011
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