1915 results about "Network routing" patented technology

Network configuration hierarchy information is maintained using flexible mechanisms and methods for establishing routes and transferring information between nodes in ad-hoc data communication networks using on-demand multicast and unicast techniques. Communication nodes use network topology information to build and maintain a dynamically mobile, wireless, ad-hoc network capable of efficiently routing both unicast and multicast traffic. Network nodes that facilitate the collection and distribution of network topology and routing data are dynamically selected, configured, and maintained. Network traffic overhead necessary for maintaining and distributing network routing table information is held to a minimum and efficiently distributed across the network, thereby reducing the potential for network traffic bottlenecks due to network overhead processes.

An architecture for a line card in a network routing device is provided. The line card architecture provides a bi-directional interface between the routing device and a network, both receiving packets from the network and transmitting the packets to the network through one or more connecting ports. In both the receive and transmit path, packets processing and routing in a multi-stage, parallel pipeline that can operate on several packets at the same time to determine each packet's routing destination is provided. Once a routing destination determination is made, the line card architecture provides for each received packet to be modified to contain new routing information and additional header data to facilitate packet transmission through the switching fabric. The line card architecture further provides for the use of bandwidth management techniques in order to buffer and enqueue each packet for transmission through the switching fabric to a corresponding destination port. The transmit path of the line card architecture further incorporates additional features for treatment and replication of multicast packets.

Methods and systems for generating, distributing, and screening commercial content are disclosed. A commercial content generator (CCG) generates commercial content message and obtains from a push proxy agent address resolution server the network routing address of each push proxy agent that is required for distribution of the message to the target mobile subscriber audience. A push proxy agent receives a message containing commercial content and resolves a mobile subscriber identifier for each mobile subscriber who is to receive the commercial content information using subscriber information obtained from a subscriber location register, such as a visitor location register (VLR). The push proxy agent may also negotiate media format characteristics for each member of the target mobile subscriber audience and facilitate delivery of the commercial content to each member of the target mobile subscriber audience.

A meshing network comprising one full function controller (WDC) and a plurality of nodes (WDN, WSN), that is RF quiet capable with very low power consumption and the ability to quickly heal itself and create new network paths. The network uses an addressing scheme that allows for each node to not have a network map but still be able to route messages. A piping scheme allows a mesh to become a high throughput network. A sensor rail protocol definition allows sensor devices to connect to nodes and route messages through the network.

A system and method are provided for separately distributing edge-device labels and routing information across routing areas of a computer network. Because the edge-device labels are distributed separately from network routing information, the process of distributing the edge-device labels does not preclude conventional edge-device address summarizations. Illustratively, a novel “label mapping” LSA is employed for distributing the edge-device labels across routing areas. The label-mapping LSA may be embodied as an area-scope OSPF opaque LSA (type 10) or an IS-IS LSP containing TLVs of area scope. Advantageously, the present invention is generally applicable whenever label values are allocated to edge devices in a multi-area computer network and data is “tunneled” through the network from one edge device to another.

Systems and methods are provided for routing voice communications to groups in a voice communication system. The voice communication system can be a mobile communication system having a plurality of members grouped as logical networks and/or unit task organizations. One or more routers are provided in the system. The one or more routers extract routing information from received voice messages. The routing information is used with a router database to determine which identified group to route the digitized voice packets. The one or more routers can be adapted to receive and route voice communications to different radio types across different logical networks.

Methods, apparatuses and systems relating to the control and application of policies for routing data over a computer network, such as the Internet. Some implementations of the invention facilitate the configuration, deployment and/or maintenance of network routing policies. Some implementations of the invention are particularly useful for controlling the routing of data among autonomous systems or organizations. Certain implementations allow for dynamic modification of routing policy based on such factors as current Internet performance, load sharing, user-defined parameters, and time of day.

Methods, apparatuses, and systems facilitating the deployment, configuration and maintenance of publication/subscription systems within the context of Web service networks. In one embodiment, the present invention provides Web services network system that presents a topic as a routing entity and includes functionality facilitating topic creation, subscription and publication in a manner consistent with the basic modes of Web services development and deployment, allowing such tasks to be approached in an intuitive, cost-effective and manageable manner. In a preferred embodiment, the publication/subscription system functionality according to the present invention is integrated into a distributed Web services network architecture as more fully described below. The Web services network architecture and integrated publication/subscription system according to the present invention can be implemented across any suitable computer network, including a local area network, an intranet or the Internet.

A software agent for locally tracking a user's network interaction, such as web browsing, and providing targeted promotions with optional coupons to the user. The monitoring involves use of a downloaded file of network addresses and words potentially tailored to each individual user. The software agent locally compares network addresses and content of web sites accessed and search terms entered against the stored addresses and key words in the file. Upon detecting a match, the software agent contacts a system server to obtain a promotion with an optional coupon for the match, and displays an indication of the promotion or coupon to the user, providing the user with the option to view, decline, save, or defer the promotion. The user is provided with redeemable credits for viewing promotions, visiting the site of a merchant offering the promotion, completing a transaction, and spending at least a threshold dollar amount. The coupons can include coupons targeted to users geographically close to particular merchants so that the coupons can be printed and redeemed at the merchant's establishment. Transactions related to the promotions, whether completed online or in-store, are confirmed to demonstrate the efficacy of the promotions, award additional loyalty rewards to a user's account, or to compensate an advertiser or affiliate. Confirmation of in-store transactions may be accomplished by accessing transaction data routed through third-party payment networks used for credit and debit card transactions and cellular phone transactions and the like.

Systems and methods are described for providing network route redundancy through Layer 2 devices, such as a loop free Layer 2 network having a plurality of switching devices. A virtual switch is coupled to the loop free Layer 2 network, the virtual switch having two or more switches configured to transition between master and backup modes to provide redundant support for the loop free Layer 2 network, the switches communicating their status through use of a plurality of redundancy control packets. The system also includes means for allowing the redundancy control packets to be flooded through the Layer 2 network. The means may include time-to-live data attached to the redundancy control packet which is decremented only when the packets are transferred through devices which are configured to recognize the protocol used in redundancy control packets.

Sensor network routing uses distance information of sensors relative to a collector node, optionally along with non-unique key information, to route broadcasts from addressless sensors to a selected addressless collector. Distance calculation messages (DCMs) are used to set distance values on sensors relative to collectors. The distance values enable messages to propagate toward collectors to reduce the number of broadcasts. Self-assigned key information may be added to DCMs propagating in the network to enable routes to be determined through the network without assigning addresses to the participants. By storing the key information associated with the route, and causing sensors to only rebroadcast a message if the message contains a matching key at the matching distance position, broadcast paths may be created on the network. Optionally, diverse collectors and paths may be selected on the network by exchanging traffic condition indications and preferentially selecting paths with better traffic conditions.

In an alarm system, outgoing calls representing a sensed alarm condition are routed to one of several communications networks. The calls are routed by first initiating a telephone call to a defined number, in response to sensing the alarm condition, and then selecting one of plurality a plurality of available networks based on called number information. A communication over the chosen network is placed to signal the alarm condition. Routing may be performed at an interface module in communication with a conventional alarm panel.

A system for configuring an audio/video (AV) system includes a computing device having a processor to enable a user, with a user interface of the computing device, to configure the AV system. The processor may enable the user to draw output zones to create a representation of a geographical layout of a venue in which the AV system is located. The processor may enable the user to place transmitting and receiving AV devices within the output zones that substantially represent physical locations thereof within the venue. The processor may enable the user to logically associate receiving AV device channels of one or more receiving AV devices within an output zone. The processor may also enable the user to select which of a number of source AV signals from transmitting AV devices the user wants to route to the associated output zone. The processor routes the source AV signals from one or more transmitting AV devices over a network to the one or more receiving AV device channels, such that the one or more receiving AV device channels are processed according to the output zone as configured by the user in the user interface.

A presentation system is disclosed for synchronizing a performance of a plurality of presentation content portions at a network node, wherein, when two such content portions are to be presented concurrently at the network node, at least one is delayed until the other such portion can be presented concurrently therewith. In one embodiment, the content portions are transmitted via at least a portion of the Internet to a plurality of network nodes, wherein the presentation system can distribute the presentation content data to the network nodes via a plurality of network routes and presentation formats. Additionally, the present invention can provide various portions of the content data from a plurality of network server nodes, and during a performance of the presentation, the presentation receiving network nodes can determine a particular variation of the presentation to retrieve from the network server nodes. In particular, the retrieval of presentation data depends upon the transmission characteristics of the network such as data transmission rate. Thus, if a low transmission data rate is detected at a first network node, presentation elements of a reduced size can be retrieved.

Methods, apparatuses and systems relating to the control and application of policies for routing data over a computer network, such as the Internet. Some implementations of the invention facilitate the configuration, deployment and/or maintenance of network routing policies. Some implementations of the invention are particularly useful for controlling the routing of data among autonomous systems or organizations. Certain implementations allow for dynamic modification of routing policy based on such factors as current Internet performance, load sharing, user-defined parameters, and time of day. In one embodiment, the present invention provides methods, apparatuses and systems implementing enhanced network path testing methodologies that enhance the efficiency of processes associated with testing of a network path, while reducing the perceived intrusiveness of test packets associated with such metrics tests.

Systems and methods are provided for routing voice communications through a mobile communication system having a self-contained infrastructure, such as a two-way radio communication system. The voice communications are transmitted as digitized voice packets over radio frequency links. The digitized voice packets contain one or more destination addresses in addition to other routing information. Routers receive the digitized voice packet and extract the routing information. The routing information is used in conjunction with a member router database to determine where to route the digitized voice packets.

In methods and apparatus for routing packets through a communications network, a respective distinct broadcast address is assigned to each of a plurality of distinct sets of virtual ports. No virtual port belongs to more than one of the distinct sets. A respective egress address is assigned to each packet entering the network via an ingress virtual port. The respective egress address corresponds to a respective destination address of the entering packet when a correspondence between the destination address and an egress address is known. When no correspondence between the destination address and an egress address is known, the respective egress address is a broadcast egress address corresponding to the set comprising the ingress virtual port. The packet is routed according to the respective egress address. The routing is restricted to virtual ports belonging to the distinct set of virtual ports that includes the ingress virtual port. The distinct sets of virtual ports and their associated broadcast addresses define isolated virtual private networks within the network. Each physical port of the network may map one-to-one onto a corresponding virtual port, or may map onto a corresponding plurality of virtual ports, in which case the each virtual port of the plurality is associated with a respective distinct combination of a physical address of the physical port and a respective virtual network identifier.

A computer is used to manage communication over a network between one or more network addressable units and a plurality of physical devices of a passenger entertainment system. The system is configured and operated using software to provide passenger entertainment services including audio and video on-demand, information dissemination, product and service order processing, video teleconferencing and data communication services. The system includes a system server and a network supporting multiple computer processors. The processors and the server comprise application software that control telephony applications and network services. The server is coupled by way of the network to physical devices of the system. The server comprises software for instantiating a dispatch object to open a framework for one or more network addressable unit objects, for instantiating one or more virtual line replaceable unit objects to manage communication between a network address unit and one or more physical devices, and for instantiating a message processor for moving messages to the one or more network addressable unit objects for delivery to the one or more physical devices. The message processor receives messages containing network routing address from one or more device drivers. The message processor utilizes the network routing address to and a physical device type to access a table and determine the ultimate destination for the message. The message processor has at least one input named pipe and one output named pipe, and utilizes the named pipes to translate messages from a first format to a second format. The message processor logs invalid destination addresses in a storage medium. The message processor instantiates each device driver from a device handler class member.

A system, method, and apparatus are directed towards routing a Voice over IP (VOIP) messages over a network. The VOIP messages are sent by a source client device to a destination client device through a portal service that has access to multiple routing services such as peering partners, carriers, etc. A VOIP system of the portal service aggregates call quality data after each VOIP call over each routing service. The call quality data is analyzed to determine a perception factor for each routing service at various times of day, days of the week, day of the year, geographic areas, and the like. When a VOIP call is requested through the portal service, the VOIP system determines a current cost, a current quality of service, and the perception factor for each routing service. A weighting is applied to each criterion and a routing service is selected for routing the VOIP call.