Keysight Technologies, Inc.

Ixia

Keysight Technologies Singapore (sales) Pte. Ltd.

Thomas Ameling

Razvan Ionut Stan

Winston Wencheng Liu

Lyle Eugene Thompson

Dan Mihailescu

Matthew Ryan Bergeron

Christian Paul Sommers

Russil Wvong

Alex Sidorenko

Diana Galan

Alin-Doru Pancu-Cojocariu

Alexander Bortok

Sahil Gupta

A method for scaling network traffic includes, at a programmable switching ASIC, receiving n traffic flows from at least one external traffic generator, n being an integer. The method further includes generating, by the programmable switching ASIC and using information from packets in the n traffic flows, m traffic flows, where m is an integer greater than n. The method further includes transmitting, by the programmable switching ASIC, the m traffic flows to a flow destination via device under test.

Methods, systems, and computer readable media for scaling network traffic and emulating a stateful transport layer protocol

Methods, systems, and computer readable media for recycling background traffic in a test environment are disclosed. One example method occurs at a test system implemented using at least one processor, the method comprising: generating background packets usable as background traffic in a data center switching fabric used in delivering test traffic to a system under test (SUT); sending, from a first packet source of the test system and via the data center switching fabric, the background packets toward a first packet destination of the test system; receiving, by the first packet destination, at least some of the background packets; and resending, from a re-entry packet source of the test system and via the data center switching fabric, at least one received background packet toward the first packet destination or a second packet destination.

Methods, systems, and computer readable media for recycling background traffic in a test environment

One method occurs at an impairment test system. The method includes receiving test configuration information for configuring a testing environment comprising an emulated switching fabric environment implemented using at least one switching application-specific integrated circuit (ASIC), wherein the test configuration information includes testing environment target state information; configuring, using the test configuration information, an impairment test session involving a system under test (SUT) and the emulated switching fabric environment; wherein configuring the impairment test session includes configuring at least one impairment controller for impairing the testing environment during the impairment test session; and initiating the impairment test session, wherein initiating the impairment test session includes generating and sending, using at least one traffic generator, test traffic via the emulated switching fabric environment and effecting at least one impairment of the testing environment during the impairment test session using a feedback control loop and the at least one impairment controller.

Methods, systems, and computer readable media for impairment testing using an emulated switching fabric environment

The subject matter described herein includes methods, systems, and computer readable media for non-intrusive queue analysis. A method for non-intrusive queue analysis occurs at a test analyzer of a test system, the test analyzer for analyzing packet queue performance of a system under test (SUT). The method comprising: receiving, via at least one mirrored ingress port of the SUT, a plurality of copied ingress test packets; receiving, via at least one mirrored egress port of the SUT, a plurality of copied egress test packets; correlating, using a correlation technique, the plurality of copied ingress test packets and the plurality of copied egress test packets; and generating, using the correlated packets, at least one packet queue performance metric associated with the SUT.

Methods, systems and computer readable media for non-intrusive queue analysis

One example method occurs in a test environment comprising network emulation platforms (NEPs), wherein the NEPs implement an emulated switching fabric comprising emulated switches, wherein the NEPs are connected via at least one physical cable. The method includes determining, using a network test system controller, at least one routing path group for communications between the emulated switches, wherein each of the at least one routing path group includes or uses virtual links utilizing one or more lanes of the at least one physical cable; configuring, using the network test system controller, physical ports of the NEPs to assign traffic during a test session to one of the virtual links based on a routing path group identifier associated with the traffic; and initiating, using the network test system controller, the test session involving the test environment.

Methods, systems, and computer readable media for implementing routing path groups between emulated switches

A method for using a programmable processing pipeline to implement an application replay sequence test or a scalable CPS generation test includes obtaining a sequence replay definition code package from a sequence relay definition storage element and converting the sequence replay definition code package into a hardware configuration image. The method further includes provisioning the hardware configuration image on at least one programmable processing pipeline device, causing the at least one programmable processing pipeline device to implement a test session connection initiator and a test session receiver, and utilizing the hardware configuration image to establish a first test session connection from the test session connection initiator and the test session connection receiver through a system under test (SUT). The method also includes conducting a programmable application replay sequence test or a scalable CPS generation test through the SUT using definition information contained in the hardware configuration image.

Methods, systems, and computer readable media for using a programmable processing pipeline device to execute scalable connections per second (CPS) generation test and an application replay sequence test

One example method occurs at a switching fabric emulator providing an emulated switching fabric comprising emulated switching elements and associated packet queues, wherein the switching fabric emulator comprises at least one switching application-specific integrated circuit (ASIC) or programmable switching chip, the method comprising: during a test session: receiving, via at least a first physical port of the switching fabric emulator, packets from or to a system under test (SUT); detecting an occurrence of a dropped packet that happens while the packet is traversing the emulated switching fabric; encapsulating dropped packet data associated with the dropped packet, wherein the encapsulated dropped packet data indicates an emulated switching element or packet queue contributing to the occurrence of the dropped packet; and providing the encapsulated dropped packet data to an analyzer.

Methods, systems, and computer readable media for capturing dropped packets at a switching fabric emulator

Methods, systems, and computer readable media for network traffic generation using machine learning. An example method includes collecting first traffic from a production data center environment. At least a portion of the first traffic comprises live computer network traffic transiting the production data center environment. The method includes collecting second traffic from an emulated data center testbed device. At least a portion of the second traffic comprises testbed traffic that transits an emulated data center switching fabric of the emulated data center testbed device. The method includes training a traffic generation inference engine using the first traffic and the second traffic. The method includes generating, using the traffic generation inference engine, test traffic to test or stimulate a network system under test (SUT).

Methods, systems, and computer readable media for network traffic generation using machine learning

The subject matter described herein includes methods, systems, and computer readable media for augmented reality navigation in network test environments. A method for augmented reality navigation in network test environments includes at a user device of a user, wherein the user device is executing an augmented reality (AR) navigation application: communicating, to an AR navigation system, user location information and resource identification information obtained from a visual code or a user interface, wherein the resource identification information indicates a physical network testing or monitoring resource in a real-world test environment; receiving, from the AR navigation system, navigation information for navigating the user to the physical network testing or monitoring resource; and providing, via a display, the navigation information for navigating the user to the physical network testing or monitoring resource.

Methods, systems and computer readable media for augmented reality navigation in network test environments

One example method occurs at a test system implemented using at least one processor, the method comprising: sending, via an application programming interface (API) and to a first traffic generator, a first instruction for setting a rate of background test packets sent to or via a system under test (SUT) for a test session; sending the background test packets to or via the SUT during the test session; receiving, from at least one feedback entity, feedback indicating at least one traffic metric associated with the background test packets sent to or via the SUT during the test session; generating, using the feedback, a second instruction for adjusting the rate of background test packets sent during the test session; and providing, via the API and to the first traffic generator, the second instruction for adjusting the rate of background test packets sent to or via the SUT during the test session.

Methods, systems, and computer readable media for providing adaptive background test traffic in a test environment

A method for configuring a network service system for performing a network service using AR comprises: at a user device executing an AR cabling application: communicating, to an AR cabling subsystem of the network service system, network service task identification information usable for identifying at least one testing or monitoring case (TMC) definition provisioned within the network service system; receiving, from the AR cabling subsystem of the network service system, cabling instructions based on the network service task identification information, wherein the cabling instructions is for instructing the user to perform a cabling task associated with the at least one TMC definition, wherein the cabling task involves connecting at least one cable to one or more physical ports of a physical resource of the network service system; and providing, via a display and using at least one AR element, the cabling instructions for instructing the user to perform the cabling task.

Methods, systems and computer readable media for performing cabling tasks using augmented reality

Methods, systems, and computer readable media for network test configuration using VLAN scanning are disclosed. One method for network test configuration using VLAN scanning occurs at a first port of a network equipment test device. The method includes sending a plurality of address resolution protocol (ARP) requests to a system under test (SUT), wherein each of the plurality of ARP requests includes a different virtual local area network (VLAN) identifier (ID). The method also includes receiving an ARP response from the SUT, wherein the ARP response indicates a first VLAN ID associated with the SUT. The method further includes using the first VLAN ID when sending test packets to the SUT via the first port.

Methods, systems, and computer readable media for network test configuration using virtual local area network (VLAN) scanning

A method for managing virtual device addresses and an address manager for a network test system comprising a plurality of ports including a first port. A respective plurality of virtual devices to be emulated by each of the plurality of ports may be defined, each plurality of virtual devices including a respective first virtual device. Addresses may be automatically assigning to each of the virtual devices in accordance with a start value, an intraport pattern, and an interport pattern.

Growing community of inventors

Woodland Hills, CA, United States of America

Thomas Ameling