Total Testing for Wired Networking

Wired networks today are rapidly evolving to support the exponential growth in data traffic, while maintaining interoperability and backward compatibility with evolving and existing networks. This complexity is driving the need for specialized testing to help deliver superior quality products quickly and efficiently.

Testing Expertise

Multi-service Access/Metro Transport/Long haul DWDM Networks

• 200+ person years of testing several ADM, MSPP, and MSTP with both ANSI and ETSI expertise
• Test expertise at lower-rate (DS1/E1, DS3, E3, STM-1/OC-3) and higher-rate (OC-12/STM-4 to OC-768/STM-256) TDM services
• Maturity in testing SONET/SDH ring topologies (BLSR/MS-SPRING, UPSR/SNCP) and linear topologies (MSP/APS 1+1, 1:1, 1:N)
• Core competence in testing Ethernet services - GFP, LCAS, VCAT, IP-GRE Tunneling
• Extensive fault and performance testing at the line and path level
• Clock synchronization testing (G.826), test expertise in jitter/wander (G.825)
• Deep expertise in testing optical transport networks (OTN) and G709 testing
• Testing experience in 40 channel, 80 channel long haul DWDM systems
• Working with tunable transponders, EFDA, 40 Channel Mux/De-Mux, G.652 single mode fibers
• Expertise in testing OSNR with optical spectrum analyzers
• Expertise in testing dispersion compensation modules
• Manual and automation testing for control plane signaling such as G-MPLS, LMP, and OSPF-TE
• High availability testing - controller/line-card/interface/path protection for relevant standards
• Strong skills on testing with TL-1 based interfaces
• End-to-end system testing with EMS/NMS
• Test expertise towards OSMINE, TEC certification

Mobile Backhaul Networks

• 400+ person years of test expertise for 2G, 2.5G, 3G, and 4G-LTE mobile backhauls
• Wide expertise in testing backhaul services over transport technologies - PPP/ML-PPP/MCMLPPP, ATM/IMA, SONET/SDH, Ethernet, xDSL, and GPO
• Extensive test capabilities on IP/MPLS, MPLS-TE, and MPLS-TP
• Extensive manual and automated tests covering backhaul services using L2-VPN E-line (SAToP, CESoP, Eth/VLAN PWE), E-LAN (VPLS), and L3-VPN (BGP/LDP VPLS)
• SLA assurance testing evaluating real-time/best effort traffic differentiation using ATM QoS, Ethernet/IP/MPLS DiffServ, MPLS-EXP with hierarchical QoS
• Clock recovery testing (conforming to G.826) employing Sync Ethernet, IEEE 1588v2, and adaptive methods
• Transport and service OAM testing - faults, alarms, PM using - 802.1ag, Y.1731, MPLS Ping, BFD
• Single and multi-dimensional scalability testing for Service Aggregation Nodes
• Conformance testing adhering to IETF, ITU-T, MEF specifications; MEF pre-certification testing
• HA testing (equipment resilience)/network convergence testing - control plane redundancy, in-service upgrades, hitless restarts
• Link protection 50ms failure recovery testing - MSP, APS, Ethernet protection schemes
• Service resiliency testing - path protection using MPLS FRR, LSP 1:1 protection
• Throughput, latency, and jitter testing capabilities for packet based services
• Interoperability testing with leading BTS, BSC, and Service Aggregation Equipment
• System/deployment testing experience using EMS/NMS
• Test consultancy services - backhaul test strategy, automation, test cost optimization employing test case reduction techniques

Broadband Access Networks

• 500+ person years of expertise in testing first mile access - ADSL, ADSL2/2+, VDSL, VDSL2, SHDSL, GPON, GE-PON, DOCSIS, MoCA, and WiFi
• Testing residential gateways, MSAN's, DSLAM, OLT, and Service Aggregation Elements - BRAS, AAA server
• Physical layer testing - SNR measurement, rate vs. reach tests
• Testing auto-configuration for residential gateways using TR-069
• Hierarchical QoS testing at service, subscriber, and port levels
• Video testing - multicast delivery, zap tests, and IGMP snooping/proxy
• Testing subscriber management, IP address management, IP/MAC spoofing
• Testing and automation for VoIP signaling and media gateway functions
• Scalability, throughput, and resilience testing for BRAS and MSAN equipment
• Specialization in CALEA lawful interception testing
• Conformance testing to various standards - DSL Forum, IETF, ITU-T
• Deployment testing expertise at several leading service providers
• System testing along with NMS/EMS components

Carrier Ethernet Networks

• 400+ person years of Carrier Ethernet testing across Ethernet Access, Ethernet Demarcation, MSTP, and Service Aggregation NE's
• Manual and automation testing expertise EPL, EVPL, E-LAN, and E-Tree services over PB/PBB/IP-MPLS/MPLS-TE/MPLS-TP transport
• Expertise in clock synchronization with conformance to IEEE 1588v2 and Synchronous Ethernet (Sync-E)
• Expertise in testing UNI, UNI2.0, INNI, and ENNI interfaces
• OAM testing - ELMI, link OAM (OAM - 802.1ah), and service OAM (CFM - IEEE802.1ag, Y.1731)
• Network resiliency, high availability, and failover testing for node, link, and path protection
• QoS testing - differentiated services treatment according to MEF specifications
• Latency, throughput, scalability, and performance testing for edge and transport NE's
• Automated robustness testing of services and devices
• Interoperability testing with all leading equipment manufacturers
• Conformance testing for latest standards like MEF 9, 14, 21
• Value added test offerings through dedicated Carrier Ethernet lab facilities

Enterprise Networks

• 500+ person years of testing managed and unmanaged switches, multi-layer switches, enterprise edge routers, UTM appliances, wireless LAN controllers, and access points
• Scalability and resiliency testing for high-end modular and stacked switches
• 12,000+ automated test cases for switching devices
• Expertise in RFC 2544 throughput testing
• Functional testing of IPv6 Routing, IPv6 Tunneling, and Mobile IP
• Competence in wireless LAN testing in 802.11a/b/g/n - functional, security, QoS, throughput

Data Center Networks

• Testing high performance data center switches with 10G/40G hardware
• Conformance and performance testing for FCoE/DCE/FIP environments
• Solution, performance, and interoperability testing for DCE - ETS/PFC/CN, DCBX
• Testing for various data center interconnect deployments

IP/MPLS Core Networks

• 200+ person years of testing multi-service aggregation, edge, and core routers with IP/MPLS
• 5,000+ automation test cases for testing IP/MPLS routers
• Test expertise on IPv4 routing, MPLS signaling, and IP/MPLS traffic engineering
• Testing of a wide variety of short haul and long haul interfaces at 1G/10G rates
• Testing ROADM interfaces - IPoDWDM
• High availability control plane, non-stop forwarding, and route convergence testing
• Scalability testing on IPv4 routes, peers, neighbors, MPLS paths, and circuits
• Throughput, latency, and jitter testing
• Interoperability testing with market leading equipment
• Expertise on Diffserv and Intserv based QoS testing
• Conformance testing according to IETF, ITU-T based specifications
• Link resiliency testing and control plane stress testing

Testing Lifecycle Services

Our testing services spanning across the product lifecycle, include:

Test Plans and Suites

We have a rich repository of reusable test cases spanning the entire testing life cycle for wired networking protocols, including:

• VLAN, STP, IGMP Snooping, IEEE 1588, MRP, MLDS, DCB, LLDP, 802.1X
• PBB, PBB-TE
• RIP, RIP6, OSPFv2/v3, BGP4
• Provider Bridging
• PIM-DM, PIM-SSM, DVMRP
• MPLS, LDP, RSVP-TE (FRR), VPLS, L2VPN (Martini Tunnels)
• Ethernet OAM, CFM, Y.1731, ELMI
• Link Aggregation

Test Simulators and Frameworks

Our in-house test simulators and automation frameworks both help deliver superior quality products and accelerate time to market for our clients.

Aricent Network Simulator

This tool simulates typical deployment environments, and can be easily integrated with third party equipment to enable performance testing of complex routing protocols.

Test Automation Framework (TAF)

The TAF runs platform-agnostic scripts for load, build, sanity, feature, unit, integration, and regression testing of wired networking technologies.

Test Equipment

Our investments in test equipment and infrastructure enable us to build testing expertise on the latest wireline networks. Our test equipment includes traffic generators and analyzers from leading vendors such as Smart Bits, IXIA, Spirent, etc. Additionally, our labs are equipped with routers and switches from leading vendors such as Cisco, Juniper, and HP.