Robust packet routing over a distributed network containing malicious failures
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United States of America Patent
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Oct 3, 1995
Issued Date -
N/A
app pub date -
Dec 20, 1993
filing date -
May 9, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for routing information packets among nodes interconnected by links to form a network, each information packet traversing a path of links and nodes from a source node to a destination node. Information indicating the relationships of nodes and links in the network is assembled in the source node. The entire route from the source node to the destination node is computed prior to sending each information packet and the information packet is routed through the network in accordance with the computed route. Information is assembled about the local topology of the network including the identities of the neighboring nodes which are connected via links to the local node. The local topology information of each local node is distributed to every other node in the network. Each node is assigned a unique identifier, a unique public key and an associated private key. The source node's assigned identifier, public key and private key are assembled in the source node along with the assigned identifier, public key and associated private key of each of a plurality of other nodes. The computed route is enclosed in a packet. The packet containing the routes is signed and transmitted to each node on the route.
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