GL Communications Inc.
 
 
Home >  VoIP Analysis and Simulation

PacketExpert™ - ExpertSAM™ (ITU-T Y.1564)

Carrier Ethernet Validation

PacketExpert™Software Ver 6.8.30 | Download Now!
PacketExpert™ 10G Software Ver 6.3.11 | Download Now!

Screenshot - PacketExpert™ - ExpertSAM Module

Overview

GL’s ExpertSAM™ is an optional application with GL’s PacketExpert™, Ethernet / IP Tester that comes in 2 platform variants –

  • ExpertSAM™ 1 Gbps (PXE106) – This is a quad port USB based portable unit, 2 of which can be either Electrical or Optical (Port 2, Port 3) and other 2 Electrical only (Port 1, Port 4). ExpertSAM™ multi-stream ITU-T Y.1564 standard compliant test is supported on Port2, which is capable of varying link speeds ranging from 10 Mbps to 1 Gbps for the electrical interfaces, and 1000 Mbps for the optical interface
  • ExpertSAM™ 10 Gbps & 1 Gbps (PXG106) - This is a quad port USB based portable unit, of which 2 are 10 Gbps optical ports, and other 2 are 10/100/1000Mbps Electrical / Optical ports. ExpertSAM™ multi-stream ITU-T Y.1564 standard compliant test is supported on 10G/1G: Port 1, which is capable of 1000 Mbps (Electrical/Optical ports) and 10 Gbps (Optical only ports) link speeds.

ExpertSAM™ is intended for multiservice testing to measure the maximum performance of the Device or the Network Under Test. ExpertSAM™ is a set of procedures that test the ability of Ethernet-based services to carry a variety of traffic (voice, data, and video) at defined performance levels. In particular, it is aimed at addressing limitations of legacy RFC 2544 test procedures, especially for Service Level Agreements (SLA).

ExpertSAM™ is a single test conducted to validate SLAs as per ITU-T Y.1564 standard. The ITU-T Y.1564 is built around two key subtests, the Service Configuration Test and the Service Performance Test.

In ITU-T Y.1564 ExpertSAM™ test procedure Bandwidth CIR (Committed Information Rate) / EIR (Excess Information Rate)/Overshoot traffic, Frame Loss, Frame Delay and Frame Delay Variation are measured and compared to the expected values for each service ensuring it is within its committed range or the threshold defined for guaranteed traffic such as CIR.

ExpertSAM™ performs round-trip measurements in combination with a remote loopback. As depicted in the above test setup, another PacketExpert™ is configured as a loopback device. In this case, the results reflect the average of both Tx and Rx test directions.

PacketExpert™ also supports Command line Interface (CLI) to access all ExpertSAM™ functionalities remotely  using TCL clients and MAPS™ CLI client/server architecture.

Features

ExpertSAM™ 10G/1G ExpertSAM™ 1G

Hardware Ports

2 x 10G Optical ports
2 x 1G Electrical/Optical ports

2 x 1G Electrical ports
2 x 1G Electrical/Optical ports

Number of Services supported

Up to 16 services supported with varying performance requirements that meets full load conditions

Up to 12 services supported with varying performance requirements that meets full load conditions

Supported EMIX (Ether MIX) frame sizes

up to 5 frame sizes per service

up to 7 frame sizes per service

KPIs

Information Rate (IR) or Throughput, Frame Loss Ratio (FLR), Frame Transfer Delay (FTD) or Latency, and Frame Delay Variation (FDV) or Jitter, measured simultaneously for multi streams, and Pass/Fail verdict declared.

Service and Performance Tests

  • Complete validation of Ethernet Service-Level Agreements (SLAs) in a single test
  • Supports Service Configuration and Service Performance tests in compliance with ITU-T Y.1564 standard
  • Capability to generate traffic at throughput of CIR (guaranteed traffic), EIR (best effort bandwidth) and Traffic Policing rates (dropped bandwidth) ensuring Key performance indicators (KPI) validation
  • Color Aware mode supported – generates Green/Yellow color marked traffic at the configured rates, and provides Green and Yellow measurements separately. VLAN PCP, IP TOS and IP DSCP color marking supported
  • Stacked VLAN supported – C-Tag (Customer Tag) and S-Tag (Service Tag) to simulate Carrier Ethernet traffic
  • Simultaneous validation of all the services for quality over the time

CLI Support

  • Command Line Interface for automated testing and remote accessibility.
  • Access all the functionalities using TCL clients and MAPS™ CLI Client/ Server architecture

 

Hardware Interface - PacketExpert™ 10G



PacketExpert™ Hardware Unit




Front Panel




Back Panel


  Standalone Tablet Inspired

Interfaces:

  • 2 x 1G Base-X Optical OR 10/100/1000 Base-T Electrical
  • 2 x 10G Base-SR, -LR -ER Optical only
  • Single Mode or Multi Mode Fiber SFP support with LC connector

Protocols:

  • RFC 2544 compliance

Bus Interface:

  • USB 2.0
  • None or USB 2.0

External Power Supply:

  • +12 volts, 2.2 Amps
  • +18 Volts, 3.0 Amps

Physical Specification:

  • Length: 6.39 in. (162.33 mm)
  • Width: 9.96 in. (252.93 mm)
  • Height: 2.10 in (53.34 mm)
  • Weight: 3.75 lbs. (1.7 kg)
  • Length: 6.39 in. (162.22 mm)
  • Width: 9.96 in. (252.93 mm)
  • Height: 2.59 in (65.96 mm)
  • Weight: 4.75 lbs. (2.15 kg)

 

Hardware Interface - PacketExpert™ 1G



Back Panel



Front Panel

Interfaces

  • 2 x 10/100/1000 Base-T Electrical only
  • 2 x 1000 Base-X Optical OR 10/100/1000 Base-T Electrical
  • Single Mode or Multi Mode Fiber SFP support with LC connector

Protocols

  • RFC 2544 compliance

Bus Interface

  • USB 2.0

Power

  • +9 volts, 2.2 Amps

Temperature

  • Operating Temperature: +5 to +40C
  • Non-Operating Temperature: -30 to +60C

Humidity

  • Operating Humidity: 0% to 80% RH
  • Non-Operating Humidity: 0% to 95% RH

Altitude

  • Operating Altitude: Up to 10,000 feet
  • Non-Operating Altitude:  Up to 50,000 feet

Physical Specification

  • Length: 8.45 in. (214.63 mm)
  • Width: 5.55 in. (140.97 mm)
  • Height: 1.60 in (40.64 mm)
  • Weight: 1.66 lbs. (0.75 kg)

Service Configuration

Each Service can be configured for various attributes like the Frame Size(s), Header Parameters (including VLAN Tag Information), the Bandwidth profile (CIR, EIR and Policing Rates), Color Method and Service Acceptance Criteria Parameters.

VLAN C-Tag PCP Configuration

The VLAN C-Tag TCI frame format includes a 3 bit field used to Carry Priority Information (PCP), which refers to the Class of Service and maps to the frame priority level. The field values can be used to prioritize different classes of traffic (voice, video, data, etc).



VLAN C-Tag TCI Frame Format


Screen shot of VLAN C-Tag Configuration


User can set the VLAN PCP field per service. Thus, each service can be configured for a different priority level.


Bandwidth Graph

Customer traffic is classified into three classes, and each is assigned a specific color: green for committed traffic, yellow for excess traffic and red for discarded traffic.

  • CIR or green traffic: refers to bandwidth that is guaranteed available at all times for a specific service, minimum performance objectives (i.e., key performance indicators or KPIs) are guaranteed to be met.
  • EIR or yellow traffic: refers to excess bandwidth above CIR that may be available depending on network loading and usage, minimum performance objectives are not guaranteed to be met.
  • Traffic Policing, or red traffic: refers to traffic that is above the CIR or the CIR/EIR rate, and that cannot be forwarded without disrupting other services; red traffic is therefore discarded.

Screen shot of Bandwidth Profile Configuration

User can set the Committed Information Rate, Excess Information Rate and the Traffic Policing Rate per stream. These rates are generated during the Service Configuration test.

Color Aware Configuration

The ITU Y.1564 defines three key test rates, which can be associated to specific color markings:

  • Green traffic is equivalent to CIR
  • Yellow traffic is equivalent to EIR
  • Red traffic represents discarded traffic (overshoot – CIR or overshoot – EIR)

Color Aware configuration provides user an option to mark outgoing traffic as green frames equivalent to CIR and yellow frames equivalent to EIR.

Screen shot of VLAN C-Tag PCP Color Method

User can set color markings in 3 different ways – VLAN PCP field, IP TOS field or IP DSCP field. Multiple values can be provided to Green and Yellow frames.


Service Acceptance Criteria (SAC) Parameters Configuration

SAC is the part of the network operators SLA which references the Frame Transfer Delay (FTD), Frame Delay Variations (FDV), and Frame Loss Ratio (FLR) requirements for the network path under test.

  • FLR: FLR parameter is typically expressed as a ratio, this is a measurement of the number of packets lost over the total number of packets sent. The Parameter is configured in % units.
  • FTD: FTD parameter is also known as latency, this is a measurement of the time delay between the transmission and the reception of a frame. The parameter is configured in msec units.
  • FDV: FDV parameter is also known as packet jitter, this is a measurement of the variations in the time delay between packet deliveries. The parameter is configured in msec units.
These parameters are compared during the test with the actual measured SLA and PASS/FAIL verdict is declared per service.

Screen shot of SAC Parameter Configuration

Modes of Operation

The ITU-T Y.1564 is built around two key subtests, the Service Configuration Test (SCT) and the Service Performance Test (SPT), which are performed in the same order. SLA includes Frame Transfer Delay (FTD), Frame Delay Variations (FDV), and Frame Loss Ratio (FLR) service acceptance criteria to validate the network path under test.

ITU-T Y.1564 defines test streams (individually called a "Test Flow") with service attributes linked to the Metro Ethernet Forum (MEF) definitions.

Service Configuration Test (SCT) includes sequential testing of each service validating the SLA parameters. A ramp test for each service is performed to verify the CIR, and EIR. Each service is validated with in the specified time duration in seconds, uniform across all the services.

Once the configuration of each service is validated, the Service Performance Test (SPT) simultaneously validates the quality of all the services traversing the network, under full load with the SLA parameters over time. The service performance test may take few minutes, or can be transitioned to longer testing hours.


Service Configuration (Collapsed summary and expanded details)

 

Test Configuration - PacketExpert™ 10G

Service selection provides an option to select the any configured Service or all the services (16 services are supported) to perform the test. SAC parameters are measured and compared to the configured values for each service to validate the guaranteed traffic.

Test Selection provides an option to configure the Service Configuration Test in steps. CIR can be Simple CIR configuration or can be step rate (%) of CIR. EIR and Traffic Policing if configured forms other steps.  Each step duration can be configured from 1 to 60 secs. The service performance test duration can be configured to be performed within few minutes, or to be transitioned to longer testing hours.


Screenshot of Service Selection

Screenshot of Test Selection

 

 

Test Configuration - PacketExpert™ 1G

Service selection provides an option to select the any configured Service or all the services (12 services are supported) to perform the test. SAC parameters are measured and compared to the configured values for each service to validate the guaranteed traffic.

Test Selection provides an option to configure the Service Configuration Test in steps. CIR can be Simple CIR configuration or can be step rate (%) of CIR. EIR and Traffic Policing if configured forms other steps.  Each step duration can be configured from 1 to 60 secs. The service performance test duration can be configured to be performed within few minutes, or to be transitioned to longer testing hours.



Screenshot of Service Selection Screenshot of Test Selection

Results

Overall Status

Over all test status provides a quick view of the test in the form of Alarm LEDs. Green LED indicates that the tests meet the FLR, FTD, and FDV defined criteria.

  Screenshot of Overall Status

Service Configuration Test Results

The Service Configuration Results Overview pane displays the Service Name for which the test is running, the Verdict of the configuration test, Current Step of the service (CIR/EIR/Traffic Policing), Max IR (Mbps), FLR (%), Max FTD (msec), and Max FDV (msec) parameters for each configured service.

Each Service Configuration test result is detailed with IR (Mbps), FLR (%), FTD (msec), and FDV (msec) parameter measurement display. For each measured parameter, the min, mean and max values are displayed. Green and Yellow frames measurements are provided separately (for Color Aware mode). The verdict for each step for each service is reported after the completion of the test.


Screenshot of Service-wise Results(PacketExpert™ 1G)




Screenshot of Service Detail Results

Screenshot of Service-wise Results (PacketExpert™ 10G)

Service Performance Test Results

Once the configuration of each service is validated, the service performance test simultaneously validates the quality of all the services over time. The service performance results display includes all Key Performance Indicators (KPIs) parameter results for each service - IR, FLR, FTD, FDV (Current, Minimum, Mean, & Maximum).


Screenshot of Service Performance Results
(PacketExpert™ 1G)



Screenshot of Service Performance Results
(PacketExpert™ 10G) 

Generate Report

The Report Generation option allows to create detailed test report in PDF and CSV formats. This window lets the user configure the report file details.




Screenshot of generate report Screenshot of sample pdf report Download
ExpertSam™ 10G Report

 

Buyer's Guide

Please Note: The XX in the Item No. refers to the hardware platform, listed at the bottom of the Buyer's Guide, which the software will be running on. Therefore, XX can either be ETA or EEA (Octal/Quad Boards), PTA or PEA (tProbe Units), UTA or UEA (USB Units), HUT or HUE (Universal Cards), and HDT or HDE (HD cards) depending upon the hardware.

Item No. Item Description

PXE106
PXG106

ExpertSAM™ - 1G
ExpertSAM™ - 10G

PXG100

PacketExpert 10G™

PXG101

PacketExpert 10G™ with Tablet

PXE100
PXE104
PXE112
PXE124

PacketExpert™
PacketExpert™ - SA (4 ports) 
PacketExpert™ - SA (12 Ports)
PacketExpert™ - SA (24 Ports)

PXE107
PXG107

PacketBroker™ - 1G
PacketBroker™ - 10G

PXE108
PXG108

Multi-Stream Traffic Generator and Analyzer - 1G (on PXE100) (up to 12 users)
Multi-Stream Traffic Generator and Analyzer - 10G (on PXG100, PXG101) (up to 16 users)

PXE105
PXG105

Wire speed Record /Playback - 1G
Wire speed Record /Playback - 10G

IPN110

IPLinkSim™ WAN Link Emulator
(1 Gbps, 2 active ports)

IPN510

IPLinkSim™ WAN Link Emulator
(10/1 Gbps, 2 active ports)

 

Related Software

ETH100

PacketCheck™

PKS100

PacketGen™ (includes PacketScan™)

PKV100

PacketScan™ (Online and Offline)

PKB100

RTP ToolBox™

IPN701

IPN702

IPNetSim™ Handheld Network Impairment Generator 

IPNetSim™ Handheld Remote Option

PKS120
PKS121
PKS122
PKS123
PKS124
PKS130

MAPS™ SIP Emulator 
MAPS™ SIP Conformance Test Suite (Test Scripts)
MAPS™ MEGACO Emulator
MAPS™ MEGACO Conformance Test Suite (Test Scripts)
MAPS – MGCP Protocol Emulation with Conformance Test Suite
MAPS™ SIGTRAN Emulator

* Specifications are subject to change without notice

 
 
Home Page Sitemap Global Presence Email