Abstract: An authentication mechanism uses a trusted people store that can be populated on an individual basis by users of computing devices, and can comprise certificates of entities that the user wishes to allow to act as certification authorities. Consequently, peer-to-peer connections can be made even if neither device presents a certificate or certificate chain signed by a third-party certificate authority, so long as each device present a certificate or certificate chain signed by a device present in the trusted people store. Once authenticated, a remote user can access trusted resources on a host device by having local processes mimic the user and create an appropriate token by changing the user's password or password type to a hash of the user's certificate and then logging the user on. The token can be referenced in a standard manner to determine whether the remote user is authorized to access the trusted resource.

Abstract: Methods are described that facilitate presence publication which may include authorizing publication of presence at a first endpoint, if the publication is authorized, assembling a presence data structure, and broadcasting the presence data structure from the first endpoint. The method may also include the presence structure including a friendly name, contact information, and endpoint information. The method further including contact information in at least one of XML format, vCard format, and the endpoint information obtained from a peer name resolution protocol. The method may additionally include the presence data structure encoded as at least one of a generic discovery protocol message, a simple service discovery protocol message, and associating a globally unique identifier with the discovery protocol messages.

Abstract: The claimed method and system provides a method and interface for enabling an existing, single-transport P2P API to communicate with nodes of a P2P network using multiple different transport protocols.

Abstract: Systems and methods are described that facilitate the management of contact information, at least some of the contact information related to entities in a serverless, peer-to-peer system. A contact store may store information regarding which other entities of a plurality of other entities are authorized to monitor presence of a user entity. Presence of an entity may generally indicate the willingness and/or ability of the entity to communicate and/or collaborate with other entities, for example. The contact store may also store information regarding which other entities of the plurality of other entities the presence of which should be monitored by the system. A user entity may be able to add contacts to and/or delete contacts from the contact store, for example.

Abstract: Communication functionality is described for conducting communication among a plurality of participants in peer-to-peer fashion. The communication functionality comprises peer-to-peer overlay functionality configured to establish a peer-to-peer overlay network that includes a plurality of participants. The peer-to-peer overlay functionality relies on endpoint provider functionality for physically exchanging information among the plurality of participants in the peer-to-peer overlay network. The endpoint provider functionality exchanges information using a transport mechanism. The transport mechanism accommodates multiple different transport protocols for exchanging information among the plurality of participants, allowing different pairs of participants to communicate with each other using different respective transport protocols.

Abstract: The claimed system is a service support framework for a multicast programming system implemented on top of a service oriented framework, specifically a service oriented messaging system.

Abstract: The claimed method and system is an API set to support a multicast programming or implementation on top of a service oriented framework, specifically a service messaging system.

Abstract: The claimed system is a multicast programming model for implementation on top of a service oriented framework, specifically a service oriented messaging system. It provides application-layer multicast capability without requiring an IP multicast infrastructure.

Abstract: A system, method, and computer product for a host node to participate in a peer network through a proxy, wherein the peer network includes a plurality of nodes, each node having a peer identifier (ID) and a cache of peer IDs for one or more known nodes, is provided. The method comprises acquiring the peer ID of a proxy node in the peer network; requesting the proxy node to act as a proxy; sending a message to at least one node in the peer network through the proxy node; and receiving a response from the at least one node in the peer network through the proxy node, wherein the at least one node in the peer network is unaware of a network address for the host node.

Abstract: Disclosed is a method for scaling and extending the reach of UPnP device discovery and eventing by leveraging the use of a peer-to-peer network infrastructure. Peer-to-peer networking allows for the organization of a set of nodes into a group for efficient exchange of information and the group has an efficient and scalable mechanism for flooding data to all members in it. In one embodiment one PC in a peer group can receive device discovery announcements and subscribe for device event notifications. A discovery proxy and an eventing proxy running on the PC package the announcement and/or notification in a record and proceed to flood it to the group. The group flooding semantics route the notification to the subscribed controllers, which can subsequently take suitable action. Ultimately, this method produces a result whereby device discovery and eventing tasks can be fulfilled by locating the closest peer and obtaining the device announcements and notifications from that peer.

Abstract: A device hosting framework provides hosting for software-implemented logical devices (including peripheral devices bridges) on a computer to expose their services as controlled devices per a peer networking protocol. The device hosting framework encapsulates discovery, description and control protocol operations of the peer networking protocol, which frees the developers of the hosted devices from having to individually implement the peer networking protocol in the hosted devices' software and need implement only the core functionality of the hosted device. The device hosting framework operates as a host supporting device interoperability via the peer networking protocol for multiple hosted devices.

Abstract: Disclosed is a method for scaling and extending the reach of UPnP device discovery and eventing by leveraging the use of a peer-to-peer network infrastructure. Peer-to-peer networking allows for the organization of a set of nodes into a group for efficient exchange of information and the group has an efficient and scalable mechanism for flooding data to all members in it. In one embodiment one PC in a peer group can receive device discovery announcements and subscribe for device event notifications. A discovery proxy and an eventing proxy running on the PC package the announcement and/or notification in a record and proceed to flood it to the group. The group flooding semantics route the notification to the subscribed controllers, which can subsequently take suitable action. Ultimately, this method produces a result whereby device discovery and eventing tasks can be fulfilled by locating the closest peer and obtaining the device announcements and notifications from that peer.

Abstract: A device hosting framework provides hosting for software-implemented logical devices (including peripheral devices bridges) on a computer to expose their services as controlled devices per a peer networking protocol. The device hosting framework encapsulates discovery, description and control protocol operations of the peer networking protocol, which frees the developers of the hosted devices from having to individually implement the peer networking protocol in the hosted devices' software and need implement only the core functionality of the hosted device. The device hosting framework operates as a host supporting device interoperability via the peer networking protocol for multiple hosted devices.

Abstract: A device hosting framework provides hosting for software-implemented logical devices (including peripheral devices bridges) on a computer to expose their services as controlled devices per a peer networking protocol. The device hosting framework encapsulates discovery, description and control protocol operations of the peer networking protocol, which frees the developers of the hosted devices from having to individually implement the peer networking protocol in the hosted devices' software and need implement only the core functionality of the hosted device. The device hosting framework operates as a host supporting device interoperability via the peer networking protocol for multiple hosted devices.

Abstract: A device hosting framework provides hosting for software-implemented logical devices (including peripheral devices bridges) on a computer to expose their services as controlled devices per a peer networking protocol. The device hosting framework encapsulates discovery, description and control protocol operations of the peer networking protocol, which frees the developers of the hosted devices from having to individually implement the peer networking protocol in the hosted devices' software and need implement only the core functionality of the hosted device. The device hosting framework operates as a host supporting device interoperability via the peer networking protocol for multiple hosted devices.

Abstract: Methods that enable real-time communication and collaboration in a peer-to-peer (P2P) network are provided. More specifically, methods for the creation and access of an underlying graph and/or group structure to pass collaboration/real-time communication data and other functions such as the retrieval of node/member and graph/group information, the addition, modification, deletion and management of records (data), the direct communication between graph/group nodes/members, the registering for event notifications, and other functions are used to pass real-time communication/collaboration data between nodes in a graph or members of a group.

Abstract: Disclosed is a method for efficiently distributing content by leveraging the use of a peer-to-peer network infrastructure. In a network of peers, a handful peers can receive content from centralized servers. These peers can then flood this content out to more clients who in turn can send the content along to others. Ultimately, a request for content can be fulfilled by locating the closest peer and obtaining the content from that peer. In one embodiment the method can be used to distribute content by creating content distribution groups of one or more client computing devices and redirecting requests for content from the server to the content distribution group. A further contemplated embodiment efficiently streams time sensitive data through the use of a spanning tree architecture of peer-to-peer clients. In yet another embodiment the present invention provides for more efficient use of bandwidth for shared residential broadband connections.

Abstract: A computer implemented method and system enable users to create a server-less shared space providing access to other users. By providing access to such spaces via a visual presentation, the system renders content available for access by other group members. Access is sometimes provided through propagation of metadata or other uniquely identifying indicia associated with the shared space to all group members.

Abstract: A computer implemented method and system enable users to share files in a server-less shared space. By providing access to such spaces via a visual presentation, the system renders content available for access by other group members. Access is sometimes provided through propagation of metadata or other uniquely identifying indicia associated with the shared space to all group members.

Abstract: An efficient iterative, gridless, cost-based router for a computer controlled integrated circuit design. The fine routing process is used during the wire routing phase of an integrated circuit design and fabrication process. During the wire routing process, wires are routed between pins of nets. The routing process of the present invention is gridless and utilizes lanes that are defined based on the boundaries of objects. The cost-based router computes a cost for each wire path, and the cost is based on: (1) the manhattan wire distance: (2) the layers in which the wire runs; and (3) any overlap the wire has with soft obstacles (e.g., other wires, etc.); and (4) an estimated cost to the target. Cost computation is reduced by considering only obstacles within the layer in which a lane is run. The number of paths determined for a wire route is reduced by pruning possible paths based on the placement of obstacles within the integrated circuit.