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公开(公告)号：US20200136983A1
公开(公告)日：2020-04-30
申请号：US16172521
申请日：2018-10-26
申请人： Dell Products L.P.
IPC分类号： H04L12/835 , H04L12/851 , H04L12/26 , H04L12/801
摘要： A microburst visibility system includes a switch device coupled to each sender device(s) and receiver device(s). The switch device receives flows transmitted by the sender device(s) to the receiver device(s). For each flow that include data packets that are stored in a first queue, the switch device provides a first queue identifier for the first queue in a flow record associated with that flow and modifies, for each data packet that is transmitted as part of that flow, flow information in data packet counter(s) that are associated with the first queue identifier in the flow record associated with that flow. When the switch device detects a microburst in the first queue, it captures the flow information in each data packet counter that is associated with the first queue identifier in each of the flow records included in the switch device, and provides it for analysis.
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公开(公告)号：US20210029036A1
公开(公告)日：2021-01-28
申请号：US16523838
申请日：2019-07-26
申请人： Dell Products L.P.
IPC分类号： H04L12/743 , H04L12/721 , H04L12/715 , H04L12/46
摘要： A hash collision mitigation system includes a source device coupled to a destination device by a networking device. The networking device receives a first packet from the source device, and uses first packet information included in the first packet to perform a hash operation on the first packet and generate a hash value. The networking device then determines that the hash value has caused a hash collision with a first hash value forwarding entry in a hash forwarding table in the networking device and, in response, generates a first Policy Based Routing (PBR) entry for the first packet. The first PBR entry is configured to provide for the forwarding of at least one second packet received from the destination device and directed to the source device, and that first PBR is stored in a Ternary Content Addressable Memory (TCAM) in the networking device.
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公开(公告)号：US10862813B2
公开(公告)日：2020-12-08
申请号：US16172521
申请日：2018-10-26
申请人： Dell Products L.P.
IPC分类号： H04L12/835 , H04L12/801 , H04L12/26 , H04L12/851
摘要： A microburst visibility system includes a switch device coupled to each sender device(s) and receiver device(s). The switch device receives flows transmitted by the sender device(s) to the receiver device(s). For each flow that include data packets that are stored in a first queue, the switch device provides a first queue identifier for the first queue in a flow record associated with that flow and modifies, for each data packet that is transmitted as part of that flow, flow information in data packet counter(s) that are associated with the first queue identifier in the flow record associated with that flow. When the switch device detects a microburst in the first queue, it captures the flow information in each data packet counter that is associated with the first queue identifier in each of the flow records included in the switch device, and provides it for analysis.
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公开(公告)号：US20240250912A1
公开(公告)日：2024-07-25
申请号：US18099863
申请日：2023-01-20
申请人： Dell Products L.P.
摘要： A headroom-based result determination system includes first and second ports connected via a link, and a buffer for the first port. A headroom-based result determination subsystem monitors data stored in the buffer that was received in data packets each having a worst-case data packet size and transmitted at a maximum packet rate for a link speed of the link, determines that a buffer threshold is reached and, in response, generates a pause instruction. The headroom-based result determination subsystem then transmits the pause instruction to the second port, measures a first amount of data stored in the buffer subsequent to generating the pause instruction, and generates a headroom-based result by adding the first amount of data, a second amount of data equal to a maximum transmission size of the first port, and a third amount of data equal to a maximum transmission size of a class of the data received at the first port.
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公开(公告)号：US10938721B2
公开(公告)日：2021-03-02
申请号：US16523838
申请日：2019-07-26
申请人： Dell Products L.P.
IPC分类号： H04L12/743 , H04L12/46 , H04L12/715 , H04L12/721
摘要： A hash collision mitigation system includes a source device coupled to a destination device by a networking device. The networking device receives a first packet from the source device, and uses first packet information included in the first packet to perform a hash operation on the first packet and generate a hash value. The networking device then determines that the hash value has caused a hash collision with a first hash value forwarding entry in a hash forwarding table in the networking device and, in response, generates a first Policy Based Routing (PBR) entry for the first packet. The first PBR entry is configured to provide for the forwarding of at least one second packet received from the destination device and directed to the source device, and that first PBR is stored in a Ternary Content Addressable Memory (TCAM) in the networking device.
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