Method for distributing traffic using hash-codes corresponding to a desired traffic distribution in a packet-oriented network comprising multipath routing
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Abstract
Hash-code value ranges are determined for a traffic distribution among the nodes along a multipath route in a packet-oriented network, according to a predefined traffic distribution in the network. Starting from one or more start nodes, the traffic distribution is determined successively as a function of the hash-codes along the multipath route for each node, including branches, and an allocation of value ranges for the hash-codes to the outbound links is defined. The advantage is that it enables a desired distribution of traffic along any number of multipath routes by distribution on the basis of hash-codes.
39 Citations
8 Claims
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1-4. -4. (canceled)
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5. A method for specifying the traffic distribution for a first node in a packet-oriented network using a multi-path routing, the packet-oriented network including the first node, a start node, a further node, and links, the method comprising:
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distributing traffic for the first and start nodes onto at least two outgoing links in accordance with a hash code generated using an address information in a network packet of the traffic;
specifying a nominal distribution of the traffic to be routed along a multi-path route; and
starting from a start node of the multi-path route along the multi-path path for at least one path node with at least two outgoing links in the multi-path route, the path node selected from the group consisting of;
first node, start node, and combinations thereof;
determining the distribution of the traffic routed to the path node on the multi-path route, the distribution determined as a function of a value range of the hash codes on the basis of the traffic routed from preceding nodes to the respective node, and specifying in accordance with the nominal distribution of traffic, an assignment of value range sections of the hash codes to the outgoing links of the multi-path route. - View Dependent Claims (6, 7, 8)
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Specification