System and method for efficient broadcast of information over a network
First Claim
1. A method, comprising:
- determining a sub-network in an asynchronous communication network between a single sender and multiple receivers, wherein the sub-network is defined by a union of flows, and the union of flows is determined by restricting a magnitude of each flow of the union of flows between the sender and the multiple receivers to a same value; and
communicating, in the asynchronous communication network, from the single sender to the multiple receivers over edges in the sub-network,wherein the determining comprises reducing transmission rates on edges in the asynchronous communication network that lie between the single sender and the multiple receivers that have a low rate of transmission of innovative information.
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Abstract
A system and method that can receive, buffer, and asynchronously combine data from various incoming data packets is disclosed. The system and method can do so by, first, receiving incoming packets of one or multiple generations that have incoming data and incoming metadata, with the incoming data of each of the incoming packets that are of a first generation being a combination of a first, original set of data vectors, and the incoming metadata of each of the first generation of incoming packets including an indicator for the first generation. Second, once these incoming packets are received, the system and method can buffer them based on the indicator and, asynchronously from the receiving and buffering, combine the incoming data in the buffered, first generation incoming packets into outgoing data in an outgoing packet.
51 Citations
17 Claims
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1. A method, comprising:
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determining a sub-network in an asynchronous communication network between a single sender and multiple receivers, wherein the sub-network is defined by a union of flows, and the union of flows is determined by restricting a magnitude of each flow of the union of flows between the sender and the multiple receivers to a same value; and communicating, in the asynchronous communication network, from the single sender to the multiple receivers over edges in the sub-network, wherein the determining comprises reducing transmission rates on edges in the asynchronous communication network that lie between the single sender and the multiple receivers that have a low rate of transmission of innovative information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method, comprising:
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determining a sub-network in an asynchronous communication network between a single sender and multiple receivers, wherein determining the sub-network comprises; flooding the asynchronous communication network for a first few generations of packets; collecting sufficient amounts of data to obtain statistics, wherein the statistics obtained including finding what proportions of packets flowing on each edge are innovative; and restricting the flooding of the asynchronous communication network into a sub-network, wherein the restricting comprises; eliminating non-contributing edges in the asynchronous communication network; and back-tracking contributing nodes from the receivers; and communicating, in the asynchronous communication network, from the single sender to the multiple receivers over edges in the sub-network, wherein the determining includes restricting a magnitude of each flow in the sub-network between the sender and each of the multiple receivers to a value that is less than or equal to a broadcast capacity. - View Dependent Claims (9, 10, 11, 12)
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13. The method, comprising:
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determining a sub-network in an asynchronous communication network between a single sender and multiple receivers, wherein determining the sub-network is performed by a union of flows determined by; running a distributed max-flow algorithm for every receiver; adding communication costs across the receivers; and reducing the communications costs by computing all flows at a same time; wherein each message exchange may convey a vector of elementary messages, one for finding the max-flow of each receiver; and communicating, in the asynchronous communication network, from the single sender to the multiple receivers over edges in the sub-network, wherein the determining includes use of a distributed process for finding two or more flows between the sender and the multiple receivers, the distributed process including exchange of messages for each of the flows and combination of the messages for one of the flows with the messages for another of the flows. - View Dependent Claims (14, 15, 16, 17)
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Specification