摘要:
A method of disseminating information in system having data sources and data recipients includes receiving a generic utility function at a data source for information to be delivered to a data recipient based upon an application for which the information is to be used. Data related to an environment in which the information is to be propagated is used to modify the generic utility function.
摘要:
A method of managing traffic in an ad hoc network determines local data traffic levels at a node, and uses the local data traffic levels to define a criteria. The criteria is applied to a microutility associated with the data sample to determine if the data sample should be propagated, temporarily delayed or dropped.
摘要:
One embodiment of the present invention provides a system that facilitates warning of collision between a primary principal and one or more non-primary principals. The system includes a triggering mechanism and a preliminary assessment mechanism. During operation, the triggering mechanism determines whether a trigger condition is met based on the state of the primary principal. When the trigger condition is met, the preliminary assessment mechanism generates one or more collision scenarios associated with the trigger condition, assesses a preliminary probability of collision in a collision scenario, and, based on the preliminary probability of collision in the collision scenario, activates a specialized assessment mechanism to assess a refined probability of collision in the collision scenario.
摘要:
One embodiment of the present invention provides a system that facilitates collision warning. During operation, the system receives information on one or more predicted collisions and determines a utility of issuing a warning for a predicted collision based on the received information. The system further schedules one or more warnings for the predicted collisions based on the utilities of issuing the warnings.
摘要:
A method of transmitting information in a network includes receiving, at a node, a data sample having a microutility associated with the data sample, the microutility including information as to how the data sample is to be handled in transit. The receiving node evaluates the microutility using information available at a receiving time on the receiving node and information encoded in the microutility to determine propagation characteristics of the data sample and propagates the data sample to other nodes in the network in accordance with the propagation characteristics.
摘要:
An information dissemination system has at least one node acting as a data source, at least one node acting as a data recipient, and an information layer residing on all of the nodes in a system. The information layer receives a generic utility function from an application on the node acting as a data source wanting to propagate information, uses the generic utility function at the node acting as data source to produce a microutility and uses the microutility on non-data source nodes of the system to propagate the information through the system to any recipients based upon the microutility.
摘要:
A method for specifying utility in an information delivery system having data sources and receiving nodes includes specifying utility for a set of possible information delivery patterns of data samples, where the specification of the utility depends on characteristics of delivery patterns observed by a receiving node, if any, located at a specified location.
摘要:
An information dissemination system has at least one node acting as a data source, at least one node acting as a data recipient, and an information layer residing on all of the nodes in a system. The information layer receives a generic utility function from an application on the node acting as a data source wanting to propagate information, uses the generic utility function at the node acting as data source to produce a microutility and uses the microutility on non-data source nodes of the system to propagate the information through the system to any recipients based upon the microutility.
摘要:
A method of managing traffic in an ad-hoc network includes receiving, at a local node, a received synopsis of data sample updates in a neighbor storage of a neighboring node, the synopsis being based at least in part on dynamic priorities associated with the data samples. The received synopsis is then compared with data sample updates in a local storage of the local node and the local node determines which data samples will be transmitted.
摘要:
A method for specifying utility in an information delivery system having data sources and receiving nodes includes specifying utility for a set of possible information delivery patterns of data samples, where the specification of the utility depends on characteristics of delivery patterns observed by a receiving node, if any, located at a specified location.