Content tracking in transient communities
First Claim
1. A method of tracking content in networks having transient network communities where a collection of the nodes making up the network may change over time, comprising steps of:
- using a persistent node identifier for each node in the network, even though a different network address may be assigned to the node upon entering the network multiple times;
creating a mapping between the persistent node identifier of each node and a current network address used by that node; and
associating the persistent node identifier with content resources of nodes in the network.
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Abstract
Methods, systems, and computer program products are disclosed for tracking content in a transient peer-to-peer networking environment where communities have ad hoc participants. Persistent identifiers are defined for nodes, allowing nodes to be identified across sessions and invocations, even though they re-enter the network with a different network address. Paths taken by content resources as they traverse the network (e.g. which nodes forwarded the content) are persisted, along with reputation information about nodes (e.g. indicating how successful they are at answering queries from peers). Trust relationships can be derived using the persisted information. A tiered broadcast strategy is defined for reducing the number of messages exchanged. Preferred embodiments leverage a web services implementation model.
121 Citations
44 Claims
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1. A method of tracking content in networks having transient network communities where a collection of the nodes making up the network may change over time, comprising steps of:
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using a persistent node identifier for each node in the network, even though a different network address may be assigned to the node upon entering the network multiple times;
creating a mapping between the persistent node identifier of each node and a current network address used by that node; and
associating the persistent node identifier with content resources of nodes in the network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for tracking content in networks having transient network communities where a collection of the nodes making up the network may change over time, comprising steps of:
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storing a directed graph to represent a network traversal path of each content resource, wherein each arc of the directed graph represents the content resource traversing from one node of the network to another, and extending the directed graph for each content resource to reflect a subsequent traversal of the content resource from a node holding the content resource to a node receiving the content resource, wherein a persistent identifier is associated with each content resource and wherein each arc of the directed graph for a particular content resource specifies the associated persistent identifier. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31)
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32. A system for tracking content in networks having transient network communities where a collection of the nodes making up the network may change over time, comprising:
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means for using a persistent node identifier for each node in the network, even though a different network address may be assigned to the node upon entering the network multiple times;
means for creating a mapping between the persistent node identifier of each node and a current network address used by that node;
means for associating the persistent node identifier with content resources of nodes in the network; and
means for using directed graphs to represent network traversal paths of the content resources. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39)
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40. A computer program product for tracking content in ad hoc networks where a collection of the nodes making up the network may change over time, the computer program product embodied on one or more computer-readable media and comprising:
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computer-readable program code means for storing a directed graph to represent a network traversal path of each content resource, wherein each arc of the directed graph represents the content resource traversing from one node of the network to another, and computer-readable program code means for extending the directed graph for each content resource to reflect a subsequent traversal of the content resource from a node holding the content resource to a node receiving the content resource, wherein a persistent identifier is associated with each content resource and wherein each arc of the directed graph for a particular content resource specifies the associated persistent identifier. - View Dependent Claims (41, 42, 43, 44)
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Specification