CPC H04L 41/0661 (2023.05) [H04L 41/044 (2013.01); H04L 41/12 (2013.01); H04L 45/02 (2013.01); H04L 45/24 (2013.01); H04L 45/28 (2013.01)] | 20 Claims |
1. A method for supporting efficient reconfiguration of an interconnection network having a pre-existing routing comprising:
providing one or more computers, wherein each of the one or more computers comprises one or more microprocessors;
providing, at the one or more computers, a network, the network comprising a plurality of switches and a metabase,
storing, at the metabase, a first set of leaf-switch to leaf-switch multipaths, each of the first set of leaf-switch to leaf-switch multipaths being calculated by a management entity of the network;
upon detection, by the management entity, of a reconfiguration triggering event, distributing, from the metabase and by the management entity, at least one multipath of the first set of leaf-switch to leaf-switch multipaths to the plurality of switches;
updating, in parallel, a plurality of linear forwarding tables of the network based upon the distributed at least one multipath.
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