公开(公告)号：US10666541B2

公开(公告)日：2020-05-26

申请号：US16033144

申请日：2018-07-11

Applicant: Keysight Technologies, Inc.

Inventor： Noah Steven Gintis ,  Vinod Joseph

IPC: H04L12/26

Abstract: A system includes a test controller configured for testing a device under test (DUT). Testing the DUT includes creating a link aggregation group (LAG) with the DUT, and the LAG includes a first link and a second link. The system includes a first traffic generator circuit including a first physical network port and a first port processor configured to transmit a first stream of test packets over the first link of the LAG. The system includes a second traffic generator circuit including a second physical network port and a second port processor configured to transmit a second stream of test packets over the second link of the LAG. The system is configured for instructing the first port processor to transmit both the first stream of test packets and the second stream of test packets on the first physical network port in response to detecting an anomaly on the second link.

公开(公告)号：US20200021510A1

公开(公告)日：2020-01-16

申请号：US16033144

申请日：2018-07-11

Applicant: Keysight Technologies, Inc.

Inventor： Noah Steven Gintis ,  Vinod Joseph

IPC: H04L12/26

Abstract: A system includes a test controller configured for testing a device under test (DUT). Testing the DUT includes creating a link aggregation group (LAG) with the DUT, and the LAG includes a first link and a second link. The system includes a first traffic generator circuit including a first physical network port and a first port processor configured to transmit a first stream of test packets over the first link of the LAG. The system includes a second traffic generator circuit including a second physical network port and a second port processor configured to transmit a second stream of test packets over the second link of the LAG. The system is configured for instructing the first port processor to transmit both the first stream of test packets and the second stream of test packets on the first physical network port in response to detecting an anomaly on the second link.

公开(公告)号：US20250119270A1

公开(公告)日：2025-04-10

申请号：US18378113

申请日：2023-10-09

Applicant: Keysight Technologies, Inc.

Inventor： Noah Steven Gintis ,  Pinaki Chakrabarti

IPC: H04L7/02 ,  H04J3/06

Abstract: A method for correlating and displaying physical layer and application layer timing information includes detecting an edge transition of a physical layer waveform from a physical clock on a DUT and generating a timestamp for the detected edge transition. A physical clock timing error is determined based on the timestamp for the detected edge transition. Timing protocol messages are exchanged between the test system and the DUT. The test system generates timestamps when transmitting or receiving the timing protocol messages and receives timestamp information from the DUT and a protocol time is determined. The physical clock timing error and the protocol time are correlated and relative times of the physical clock timing error and the protocol time are determined. The method further includes displaying, by a graphical user interface on the test system, a graphical representation of the relative times of the physical clock timing error and the protocol time.

公开(公告)号：US20240267196A1

公开(公告)日：2024-08-08

申请号：US18105231

申请日：2023-02-02

Applicant: Keysight Technologies, Inc.

Inventor： Jeeyan Sanyal ,  Noah Steven Gintis

IPC: H04L7/00

CPC classification number: H04L7/0016 ,  H04L7/0062

Abstract: The subject matter described herein includes methods, systems, and computer readable media for generating DTE. One method for generating DTE includes at a test device for testing a timing device: configuring, using configuration information, a timestamp impairment engine for generating DTE values for transmit timestamps, wherein the timestamp impairment engine utilizes a sine wave based formula to generate the DTE values; generating a packet comprising an impaired transmit timestamp, wherein the impaired transmit timestamp is generated using a non-impaired timestamp and a DTE value generated by the timestamp impairment engine; and sending the packet to the timing device.

公开(公告)号：US12113886B2

公开(公告)日：2024-10-08

申请号：US18105231

申请日：2023-02-02

Applicant: Keysight Technologies, Inc.

Inventor： Jeeyan Sanyal ,  Noah Steven Gintis

IPC: H04L7/00

CPC classification number: H04L7/0016 ,  H04L7/0062

Abstract: The subject matter described herein includes methods, systems, and computer readable media for generating DTE. One method for generating DTE includes at a test device for testing a timing device: configuring, using configuration information, a timestamp impairment engine for generating DTE values for transmit timestamps, wherein the timestamp impairment engine utilizes a sine wave based formula to generate the DTE values; generating a packet comprising an impaired transmit timestamp, wherein the impaired transmit timestamp is generated using a non-impaired timestamp and a DTE value generated by the timestamp impairment engine; and sending the packet to the timing device.

公开(公告)号：US10917326B1

公开(公告)日：2021-02-09

申请号：US16549874

申请日：2019-08-23

Applicant: Keysight Technologies, Inc.

Inventor： Noah Steven Gintis ,  Alina Crina Balan ,  Vinod Joseph

IPC: G06F15/16 ,  H04L12/26

Abstract: According to one method for debugging test traffic generation, the method occurs at a test system implemented using at least one processor and at least one memory. The method includes generating test traffic, wherein generating the test traffic includes receiving routing information from a system under test (SUT) via at least one routing protocol, determining traffic header data using the routing information, and storing resolution processing path information indicating how the traffic header data was determined; and displaying, using a display, test traffic data, wherein displaying the test traffic data includes displaying at least some of the resolution processing path information for at least some of the traffic header data.

公开(公告)号：US10764148B2

公开(公告)日：2020-09-01

申请号：US15826628

申请日：2017-11-29

Applicant: Keysight Technologies, Inc.

Inventor： Noah Steven Gintis ,  Vinod Joseph ,  Alina Crina Balan

IPC: G06F15/173 ,  H04L12/24 ,  H04L12/26

Abstract: Methods, systems, and computer readable media for network traffic statistics collection are disclosed. One method for network traffic statistics collection includes during testing of a system under test (SUT): receiving a first trigger message indicating a first message group context for statistics collection; receiving, from the SUT, a first test message of a plurality of test messages, wherein the first test message includes a first message group identifier (MGID) and a second MGID, wherein the first MGID is associated with the first message group context and the second MGID is associated with a second message group context; and performing, using the first MGID, statistics collection associated with the first message group context. The method may also include changing from the first message group context to the second message group context during the test and using the second message group context for statistics collection.

公开(公告)号：US20190166008A1

公开(公告)日：2019-05-30

申请号：US15826628

申请日：2017-11-29

Applicant: Keysight Technologies, Inc.

Inventor： Noah Steven Gintis ,  Vinod Joseph ,  Alina Crina Balan

IPC: H04L12/24 ,  H04L12/26

CPC classification number: H04L41/142 ,  H04L43/045 ,  H04L43/062 ,  H04L43/08 ,  H04L43/50

Abstract: Methods, systems, and computer readable media for network traffic statistics collection are disclosed. One method for network traffic statistics collection includes during testing of a system under test (SUT): receiving a first trigger message indicating a first message group context for statistics collection; receiving, from the SUT, a first test message of a plurality of test messages, wherein the first test message includes a first message group identifier (MGID) and a second MGID, wherein the first MGID is associated with the first message group context and the second MGID is associated with a second message group context; and performing, using the first MGID, statistics collection associated with the first message group context. The method may also include changing from the first message group context to the second message group context during the test and using the second message group context for statistics collection.