The Wireless Integrated Network Sensor Next Generation (WINS NG) nodes provide distributed network and Internet access to sensors, controls, and processors that are deeply embedded in equipment, facilities, and the environment. The WINS NG network is a new monitoring and control capability for applications in transportation, manufacturing, health care, environmental monitoring, and safety and security. The WINS NG nodes combine microsensor technology, low power distributed signal processing, low power computation, and low power, low cost wireless and/or wired networking capability in a compact system. The WINS NG networks provide sensing, local control, remote reconfigurability, and embedded intelligent systems in structures, materials, and environments.

Apparatus for compact internetworked wireless integrated network sensors (WINS)

Computational grids have not scaled effectively due to administrative hurdles to resource and user participation. Most production grids are essentially multi-site supercomputer centers, rather than truly open and heterogeneous sets of resources that can join and leave dynamically, and that can provide support for an equally dynamic set of users. Large-scale grids containing individual resources with more autonomy about when and how they join and leave will require self-organizing grid middleware services that do not require centralized administrative control. This paper considers one such service, namely the dynamic discovery of high-performance variable-size clusters of grid nodes. A brute force approach to the problem of identifying these "ad-hoc clusters" would require excessive overhead in terms of both message exchange and computation. Therefore, we propose a scalable solution that uses a delay-based overlay structure to organize nodes based on their proximity to one another, using a small number of delay experiments. This overlay can then be used to provide a variable-size set of promising candidate nodes than can then be used as a cluster, or tested further to improve the selection. Simulation results show that this approach results in effective clustering with acceptable overhead.

/pdf/automatic-clustering-for-self-organizing-grids-1sf0g2xhfx.pdf

Automatic Clustering for Self-Organizing Grids

The invention relates to restricting access to electronic documents, particularly by indexing an electronic document multiple times to selectively permit access to and/or manipulation of desired information subsets of that document. The technology enhances the granularity of access control systems by indexing electronic documents of interest in a manner that selectively provides authorised users with access to either full-access objects or limited-access objects of such documents. Restriction indicia corresponding to, for example, a full-access permission and a limited-access permission, are assigned to an electronic document and this restriction indicia is compared with a user's authorisation level to determine whether the user should be granted full access to the electronic documents content or be granted a limited access that is restricted to the document's metadata.

Multiple indexing of an electronic document to selectively permit access to the content and metadata thereof

A method and device for peer-to-peer communications is provided. The method includes communication of the capabilities of a device to another device or network component. A peer to peer communication is established based on at least one of the capabilities of the device. The method may also include utilizing a control point or access point in conveying the capabilities of the device to another device.

Methods and apparatus to establish peer-to-peer communications

A method for peer to peer communications is provided. The method includes receiving first set of information (508a, 508b) containing capabilities for a peer-to-peer communication. The method further includes communicating (510a, 510b) the first information to facilitate a peer-to-peer communication. The method includes utilizing a intermediary node (502) to convey the capabilities and to further update the information/capabilities as the information changes over time.

Methods and apparatus to proxy discovery and negotiations between network entities to establish peer-to-peer communications

System and method for facilitating communications between peers in a peer-to-peer environment and network email clients. In one embodiment, network nodes including peer nodes may host mail transfer agents. The mail transfer agents may act as bridges between peer-to-peer protocols and email communication protocols. The mail transfer agents may communicate with peers according to peer-to-peer protocols and with email clients according to email communications protocols. Peers may communicate with mail transfer agents to send peer-to-peer messages to email clients. Email clients may communicate with the mail transfer agents to send email messages to and receive email messages from other email clients via the peer-to-peer network and to obtain peer-to-peer messages from peers.

Peer-to-peer email messaging

A method, apparatus, and system are directed toward overlaying a cluster of nodes over peers in a peer-to-peer network using a peer identification and communication mechanism. A string based name for a resource in a peer-to-peer network is received and is used to generate a unique identifier using a secure hash algorithm. An advertisement specifying at least one address associated with the resource is associated with the unique identifier. The advertisement is broadcasted. The unique identifier and/or the resource in the peer-to-peer network is associated with a resource in the cluster. A network packet may be addressed to the resource in the cluster by the unique identifier. The network packet may be routed to the address associated with the resource in the cluster using an Open System Interconnection (OSI) Level 2 or above protocol.

Method and apparatus for encoding and mapping of virtual addresses for clusters

A method, apparatus, and system are directed toward managing cluster membership through a discovery process that enables selection of a master for the cluster. If a node on a network is the first to initiate the discovery process, it assumes the master role. Where two or more nodes enter the discovery process at the same time, or where a cluster is disjointed, views of the potential members to the cluster are shared among the nodes. Each node coalesces and sorts the views. The master may then be determined from the sorted views. In one embodiment, the master is that node in the results having a highest unique identifier. The identified master sends an assertion of its role to the other nodes. If no assertion is received, or multiple assertions are received, updated views are again shared and sorted. In one embodiment, the nodes may be within a peer-to-peer network.

Autonomous cluster organization, collision detection, and resolutions

A non-transitory computer readable storage medium including computer readable code that, when executed by a processor, is configured to receive, from a user network device, a first request to execute an application on the user network device The first request includes a user identification, routing information, and requested application information, encrypted using a public key The user network device is configured to display the application on a television display device The code is further configured to decrypt the routing information and requested application information using a private key, send a second request for subscription information to a service provider, receive the subscription information from the service provider, and determine that a license corresponding to the application is associated with the user The code is further configured to generate and send an application package configured to deploy the application using a Java Runtime Environment on the user network device

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Peer-to-peer email messaging

Method and apparatus for encoding and mapping of virtual addresses for clusters

Autonomous cluster organization, collision detection, and resolutions

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