Service Performance Test
Once the configuration of each individual service is validated, the service performance test simultaneously validates the quality of all the services over time.
In addition, EXFO’s EtherSAM approach proves even more powerful as it executes the complete ITU-T Y.1564 test bidirectionally. Key SLA parameters are measured independently in each test direction, thus providing 100% first-time-right service activation—the highest level of confidence in service testing.
Ethernet Traffic Generation and Monitoring
Data services carried over 40G/100G networks are making a significant shift toward supporting a variety of applications. Multiservice offerings such as triple-play services have fuelled the need for QoS testing to ensure the condition and reliability of each service, as well as qualify SLA parameters. The FTB-88100NGE and FTB-88100G Power Blazer, with their supported traffic generation and monitoring application, allow service providers to simultaneously simulate and qualify different applications. Up to 16 streams can be configured with different Ethernet and IP QoS parameters, such as VLAN ID (802.1Q), VLAN priority (802.1p), VLAN stacking (802.1ad Q-in-Q), ToS and DSCP. Traffic simulation also includes traffic shaping with burst and ramp capabilities. The FTB-88100NGE and FTB-88100G also offer the flexibility to define one configuration profile and apply it to as many streams as required. From there, it is just a matter of tweaking them to each stream. The FTB-88100NGE and FTB-88100G also simultaneously measure throughput, latency, packet jitter (RFC 3393), frame loss and out-of-sequence errors in all streams, yielding fast and in-depth qualification of all SLA criteria. Results are displayed in tabular format as well as on analog visual gauges to ensure that test outcomes are quickly and easily interpreted.
Simplified Error Injection
The FTB-88100NGE and FTB-88100G Power Blazer modules enable error and alarm injection with a single click from any screen, allowing you to ensure circuit continuity prior to starting a test. This capability applies to single optical channels when addressing testing interfaces from 10M to 100G on the FTB-88100NGE and 40G/100G on the FTB-88100G, and extends to four or ten optical channels for 40G and 100G when using parallel CFPs. Furthermore, this functionality can be preprogrammed for any type of error, not just bit errors. In addition, alarm injection can be selected per lane, and not necessarily on all lanes simultaneously.
Complete Overhead Manipulation and Monitoring
EXFO’s FTB-88100NGE and FTB-88100G modules allow for complete OTN and SONET/SDH overhead manipulation and monitoring for advanced testing and troubleshooting. Furthermore and consistent with these modules' simplified testing approach, the overhead manipulation and monitoring capability is categorized under “Functions” in the GUI, and apart from the default setup and results pages. The Functions category offers various 40G/100G testing capabilities required by tier-2 engineers for advanced field troubleshooting, eliminating the need for a second test instrument for those rare situations.
Today, carriers have an opportunity to turn optical networks into a competitive advantage by guaranteeing low-latency traffic transmission for delay-sensitive applications, including video, cloud computing and financial trading applications. With this in mind, the FTB-88100NGE and FTB-88100G Power Blazer modules enable OTN, SONET/SDH and Ethernet delay measurements across all supported testing interfaces, enabling carriers to solidify their competitive advantage when building low-latency optical transport networks, and guarantee the speed of service to their end customers.
This functionality measures the time required for a bit to travel from the transmitter of the FTB-88100NGE or the FTB-88100G and back to the receiver after crossing a far-end loopback, thereby providing complete delay results, including delay measurement and min./max./average delay statistics.
Rapid Diagnostic Test Tools
Per-Wavelength Laser Control and Power Measurements
Verifying the power level may seem obvious, but it is a vital step often omitted due to lack of convenience or test equipment. The built-in power-measurement capability of the FTB-88100NGE and FTB-88100G enables you to accurately test per-channel ingress and egress levels without risking damage to expensive 40G/100G circuit packs caused by high power, or signal degradation resulting from low power on any of the transmitted optical channels.
Per-Lane Frequency and Offset Measurements
Along with optical power measurements, frequency accuracy verification is a good sanity check to determine network health prior to BER testing during 40G/100G network commissioning. The FTB-88100NGE and FTB-88100G Power Blazer modules offer per-lane frequency and frequency offset testing capabilities to verify that the NE’s clock recovery circuitry is operating accurately.
IP Connectivity Tools
As part of the IP connectivity tools, the ping tool is used to verify that the user can reach a specific address within or outside of a subnetwork. The traceroute tool is a modified version of the ping tool and is used to determine the route or the number of hops that are required to reach a destination host. These basic tools, which are supported on the FTB-88100NGE and FTB-88100G Power Blazer modules, are essential when testing through 40G/100G routed networks. The results of these tests can pinpoint critical configuration issues within the network.
Advanced Troubleshooting Tools
The capturing power of EXFO’s FTB-88100NGE and FTB-88100G extends far beyond basic capabilities. The module adds extra features and functionalities to boost test cycle efficiency and provide more value. Its packet capture tool offers comprehensive filtering, triggering and truncation methods to target specific traffic and quickly pinpoint issues in the lab and in the field.
Advanced Traffic Filtering
In some cases, troubleshooting only concerns a particular traffic flow. The advanced traffic-filtering capability of the FTB-88100NGE and FTB-88100G allows you to restrict traffic by using up to four trigger fields and operands (and, or, not). A complete set of triggers is available, such as MAC, IP and TCP/UDP fields, as well as VLAN, MPLS fields.
CFP Health Check
The FTB-88100NGE and FTB-88100G also offer 40G/100G 100G CFP health check testing capabilities. Unlike the single wavelength transceiver used in legacy 2.5G and 10G networks, each CFP parallel optical channel must be monitored for transmitted and received power levels to avoid damaging expensive 100G circuits and equipment. Moreover, each parallel lane must be monitored for frequency and frequency offset to ensure proper clock and timing recovery.
The CFP information page now provides detailed information on the module, no longer requiring the removal of the CFP in order to read the CFP module details. Complete management data input/output (MDIO) read/write access has also been given, allowing advanced network engineers to verify the management interface in the CFP through a registered access, as per the CFP Multi-Source Agreement (MSA). For example, access to the MDIO allows the user to read the CFP operational temperature when needed for troubleshooting purposes.
The FTB-88100NGE and FTB-88100G also include a 100G automated stress-test application that covers transmission tolerance tests like static skew measurement, crosstalk, electrical amplitude and pattern dependency. Essentially, all manual interventions have been removed, thus simplifying the CFP qualification process. In short, this tool will allow carriers to ensure the optimal performance of 100G networks during evaluation and deployments.
CFP2 – The Second-Generation High-Speed Transceivers
In today's competitive market, service providers strive to meet their bandwidth requirements by upgrading their networks to higher speeds. Taking this into consideration, network element manufacturers (NEMs) have shifted their 100G development to leverage the second-generation high-speed transceivers known as CFP2s. These new CFP2 transceivers have the significant advantages of being 50% smaller in form factor and saving more than 50% on power consumption when compared to first-generation transceivers (CFPs). They also enable higher port density on high-speed transmission, switching and routing systems required for 100G mass deployments.
EXFO's FTB-88100NGE/88100G Power Blazer modules offer 100G testing capabilities for CFP2 transceivers thanks to the new FTB-85970 CFP-to-CFP2 adapter, which requires no additional high-speed modules. This CFP-to-CFP2 adapter provides the flexibility needed to support the industry's different implementations of 100G transceivers, including the 4 X 25G and 10 x 10G. Customers can therefore have full access to 100G testing capabilities on their lab unit using both CFP and CFP2 transceivers at a fraction of the cost of upgrading their full fleet of test units to dedicated CFP2-based modules. This unique offering on the market ensures a maximum ROI and eliminates the need for multiple test modules.