METHODS AND APPARATUS RELATED TO LOSSLESS OPERATION WITHIN A DATA CENTER
First Claim
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1. An apparatus, comprising:
- a switch core defining a single logical entity and having a multi-stage switch fabric having a plurality of stages physically distributed across a plurality of chassis, the plurality of stages collectively having a plurality of ingress ports and a plurality of egress ports, the switch core configured to be coupled to a plurality of peripheral processing devices via the plurality of ingress ports and the plurality of egress ports,the switch core configured to admit a plurality of cells associated with a packet into an ingress port from the plurality of ingress ports when delivery of the plurality of cells can be substantially guaranteed without loss through the multi-stage switch fabric.
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Abstract
In one embodiment, an apparatus includes a switch core that defines a single logical entity and has a multi-stage switch fabric that has a set of stages physically distributed across a set of chassis. The set of stages collectively has a set of ingress ports and a set of egress ports. The switch core can be configured to be coupled to a set of peripheral processing devices via the set of ingress ports and the set of egress ports. The switch core can be configured to admit a set of cells associated with a packet into an ingress port from the set of ingress ports when delivery of the set of cells can be substantially guaranteed without loss through the multi-stage switch fabric.
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Citations
26 Claims
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1. An apparatus, comprising:
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a switch core defining a single logical entity and having a multi-stage switch fabric having a plurality of stages physically distributed across a plurality of chassis, the plurality of stages collectively having a plurality of ingress ports and a plurality of egress ports, the switch core configured to be coupled to a plurality of peripheral processing devices via the plurality of ingress ports and the plurality of egress ports, the switch core configured to admit a plurality of cells associated with a packet into an ingress port from the plurality of ingress ports when delivery of the plurality of cells can be substantially guaranteed without loss through the multi-stage switch fabric. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus, comprising;
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a switch core defining a single logical entity and having a switch fabric with a plurality of stages physically distributed across a plurality of chassis, the multi-stage switch fabric having a plurality of ingress ports and a plurality of egress ports, the switch core configured to be coupled to a plurality of peripheral processing devices via the plurality of ingress ports and the plurality of egress ports, the switch core configured to receive a packet from an ingress port from the plurality of ingress ports, the switch core configured to send a plurality of cells associated with the packet from the ingress port to an egress port from the plurality of egress ports via the plurality of stages without performing packet-loss processing at at least one stage from the plurality of stages of the switch fabric. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An apparatus, comprising;
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a switch core defining a single logical entity and having a multi-stage switch fabric configured as a deterministic network, the multi-stage switch fabric having a plurality of ingress ports and a plurality of egress ports, the switch core configured to be coupled to a plurality of peripheral processing devices via the plurality of ingress ports and the plurality of egress ports, the switch core configured to receive a packet from an ingress port from the plurality of ingress ports, the switch core configured to send a plurality of cells associated with the packet from the ingress port to an egress port from the plurality of egress ports. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification