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公开(公告)号：US20240184890A1
公开(公告)日：2024-06-06
申请号：US18239607
申请日：2023-08-29
Applicant: Cisco Technology, Inc.
Inventor： Sachin Agarwal , Srirajkumar Sundararaman , Aviran Kadosh , Samir Valjibhai Rajgor , Chirag Shroff , Kevin Shyh-Kang Chang , Dylan Walker
CPC classification number: G06F21/575 , G06F21/44
Abstract: A method of operating a system-on-chip (SOC) including decrypting, by isolated Root of Trust (RoT) code, a Stock Keeping Unit (SKU) license code from a host during bootup of a device. Then validating, by the isolated RoT code, the SKU license code with firmware and at least one built-in key of a plurality of built-in keys from secure storage. Finally, enabling or disabling, by the isolated RoT code, at least one feature set of a plurality of feature sets comprising resources configured at the SOC based on at least one SKU license code which has been decrypted by isolated RoT code using at least one built-in key and authenticated by firmware.
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公开(公告)号：US20240097949A1
公开(公告)日：2024-03-21
申请号：US18156841
申请日：2023-01-19
Applicant: Cisco Technology, Inc.
Inventor： Adee Ran , Mark A. Gustlin , Aviran Kadosh
CPC classification number: H04L25/14 , H04L25/0272
Abstract: Symbol multiplexing Physical Medium Attachment (PMA) may be provided. A plurality of first lanes may be received and then Alignment Markers (AMs) from the plurality of first lanes may be used to determine symbol boundaries and identify the plurality of first lanes. Next, groups of the plurality of first lanes may be de-skewed and checkerboard patterns in the plurality of first lanes may be undone. Then the plurality of first lanes may be symbol-wise multiplexed to a plurality of second lanes. The plurality of second lanes may then be sent.
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公开(公告)号：US11418214B1
公开(公告)日：2022-08-16
申请号：US17000762
申请日：2020-08-24
Applicant: Cisco Technology, Inc.
Inventor： Guy Caspary , Nadav Tsvi Chachmon , Aviran Kadosh
IPC: H03M13/09 , H04L1/00 , H04L47/125 , H04L45/7453
Abstract: A network element is configured to efficiently load balance packets through a computer network. The network element receives a packet associated with flow attributes and generates a Load Balancing Flow Vector (LBFV) from the flow attributes. The network element partitions the LBFV into a plurality of LBFV blocks and reorders the LBFV blocks to generate a reordered LBFV. The LBFV blocks are reordered based on a reordering sequence that is different from reordering sequences on other network elements in the computer network. The network element hashes the reordered LBFV to generate a hash key for the packet and selects a next hop link based on the hash key. The next hop link connects the network elements to a next hop network element in the computer network.
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公开(公告)号：US11258710B2
公开(公告)日：2022-02-22
申请号：US16667091
申请日：2019-10-29
Applicant: Cisco Technology, Inc.
Inventor： Ofer Iny , Eyal Michel Dagan , Aviran Kadosh
IPC: H04L12/803 , H04L47/125 , H04W28/06 , H04L47/283 , H04L47/34 , H04L47/31
Abstract: In one embodiment, a load balancing method may comprise: assigning a plurality of packets of a flow to a plurality of segments according to a segmentation criterion, each segment including one or more packets of said plurality of packets, and at least one of the plurality of segments including more than one packet of the plurality of packets; tagging each packet of the plurality of packets with a segment sequence identifier to indicate to which segment the packet is assigned; and arranging the plurality of packets for transmission via an interconnect so that all packets belonging to a same segment will be transmitted via a same path.
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公开(公告)号：US12301359B2
公开(公告)日：2025-05-13
申请号：US18511952
申请日：2023-11-16
Applicant: Cisco Technology, Inc.
Inventor： Aviran Kadosh , Mohammad Issa , Matthew Todd Lawson
IPC: H04L1/1607 , H04L1/00 , H04L1/1867
Abstract: Devices, systems, methods, and processes for transmitting and receiving one or more data packets are described herein. A device may face an internal non-deterministic delay in processing causing a gap or an interruption during transmission of the data packet. During the gap, the device can transmit one or more Intra-Packet Idle (IPI) words between the transmission of the data packet. The IPI words can be ignored or discarded by a receiver. The device may transmit the data packet into multiple parts by transmitting the IPI words between the parts. The receiver can receive the parts of the data packet and the IPI words and retrieve the data packet based on the parts of the data packet. The device may set a configurable threshold value indicative of a maximum number of the IPI words that can be transmitted during the gap of the interruption, such that the receiver can efficiently identify and discard a runt packet. The device does not require a buffer to fetch and store the data packet prior to the transmission, thereby eliminating a latency caused by the buffer.
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Patent Agency Ranking
公开(公告)号：US11811663B2
公开(公告)日：2023-11-07
申请号：US17576256
申请日：2022-01-14
Applicant: Cisco Technology, Inc.
Inventor： Ofer Iny , Eyal Michel Dagan , Aviran Kadosh
IPC: H04L47/12 , H04L47/125 , H04W28/06 , H04L47/283 , H04L47/34 , H04L47/31
CPC classification number: H04L47/125 , H04L47/283 , H04L47/31 , H04L47/34 , H04W28/065
Abstract: In one embodiment, a load balancing method may comprise: assigning a plurality of packets of a flow to a plurality of segments according to a segmentation criterion, each segment including one or more packets of said plurality of packets, and at least one of the plurality of segments including more than one packet of the plurality of packets; tagging each packet of the plurality of packets with a segment sequence identifier to indicate to which segment the packet is assigned; and arranging the plurality of packets for transmission via an interconnect so that all packets belonging to a same segment will be transmitted via a same path.
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公开(公告)号：US20220399901A1
公开(公告)日：2022-12-15
申请号：US17859332
申请日：2022-07-07
Applicant: Cisco Technology, Inc.
Inventor： Guy Caspary , Nadav Tsvi Chachmon , Aviran Kadosh
IPC: H03M13/09 , H04L45/7453 , H04L47/125 , H04L1/00
Abstract: A network element is configured to efficiently load balance packets through a computer network. The network element receives a packet associated with flow attributes and generates a Load Balancing Flow Vector (LBFV) from the flow attributes. The network element partitions the LBFV into a plurality of LBFV blocks and reorders the LBFV blocks to generate a reordered LBFV. The LBFV blocks are reordered based on a reordering sequence that is different from reordering sequences on other network elements in the computer network. The network element hashes the reordered LBFV to generate a hash key for the packet and selects a next hop link based on the hash key. The next hop link connects the network elements to a next hop network element in the computer network.
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公开(公告)号：US20220286401A1
公开(公告)日：2022-09-08
申请号：US17825316
申请日：2022-05-26
Applicant: Cisco Technology, Inc.
Inventor： Aviran Kadosh
IPC: H04L47/2483 , H04L47/31 , H04L49/25 , H04L47/12 , H04L41/0803
Abstract: A port extender provides individual flow control for ports multiplexed from a network device. The port extender is configured to multiplex a network device port across the front panel ports on the port extender. The port extender also determines that an input buffer for the network device port is overloaded, and generates a Priority-based Flow Control (PFC) frame identifying that the network device port is congested. The port extender sends the PFC frame via the network device port to the network device. The PFC frame causes the network device coupled to the network device port to discontinue sending data for transmission from the plurality of ports on the port extender.
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公开(公告)号：US10419965B1
公开(公告)日：2019-09-17
申请号：US15397766
申请日：2017-01-04
Applicant: Cisco Technology, Inc.
Inventor： Aviran Kadosh , Ofer Iny , Eyal Michel Dagan
Abstract: In one embodiment, a network node comprising: a memory, including one or more memory entries associated with a meter; a sensor adapted to detect a discrepancy between an allocated bandwidth allocated to the meter and a data bandwidth measured by the meter, the allocated bandwidth being a portion of a total allocated bandwidth allocated to a plurality of meters, and the discrepancy being that the allocated bandwidth compared to the data bandwidth is one of: excessive or insufficient; and a generator, wherein the generator is adapted, upon the sensor detecting that the allocated bandwidth is excessive, to generate a message indicative of at least part of the allocated bandwidth being released from the meter, and wherein the generator is further adapted, upon the sensor detecting that the allocated bandwidth is insufficient, to generate a message indicative of a request for an allocation of additional bandwidth to the meter.
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公开(公告)号：US11695428B2
公开(公告)日：2023-07-04
申请号：US17859332
申请日：2022-07-07
Applicant: Cisco Technology, Inc.
Inventor： Guy Caspary , Nadav Tsvi Chachmon , Aviran Kadosh
IPC: H03M13/09 , H04L1/00 , H04L47/125 , H04L45/7453
CPC classification number: H03M13/09 , H04L1/0041 , H04L1/0061 , H04L45/7453 , H04L47/125
Abstract: A network element is configured to efficiently load balance packets through a computer network. The network element receives a packet associated with flow attributes and generates a Load Balancing Flow Vector (LBFV) from the flow attributes. The network element partitions the LBFV into a plurality of LBFV blocks and reorders the LBFV blocks to generate a reordered LBFV. The LBFV blocks are reordered based on a reordering sequence that is different from reordering sequences on other network elements in the computer network. The network element hashes the reordered LBFV to generate a hash key for the packet and selects a next hop link based on the hash key. The next hop link connects the network elements to a next hop network element in the computer network.
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