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Tool combines multiplay tests over same port

Posted: 18 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:multiplay measurements? multiplay test solution? VoIP?

Agilent Technologies Inc. has introduced the industry's first multiplay test solution to combine line-rate, hardware-based performance statistics for video, voice and data services on the same test port.

Network equipment manufacturers and service providers can use the Agilent N2X multiservices test solution to characterize the ability of individual network elements or entire networks prior to deployment. The test solution can help enforce QoS requirements and meet subscriber quality of experience (QoE) expectations, across multiple services at once. Hardware-based traffic generation and analysis is necessary in order to scale the number of simulated network subscribers and to achieve deterministic measurements that are repeatable and consistent. This architectural scalability, coupled with line-rate traffic generation, is what enables N2X to push the device or system under test to its limits and identify how different services play off each other in a converged network environment.

N2X provides powerful and flexible multiplay traffic generation and analysis based on user-defined subscriber profiles. It is easy to simulate complex network topologies and dynamic subscriber behaviors using the large breadth of N2X protocol emulations, including DHCPv4, DHCPv6, PPPoX, MLD and IGMP. Each test port can concurrently display real-time video media quality metrics (MDI) and IPTV channel-zapping times along with voice MOS and data-forwarding performance measurements on a per-subscriber basis. This capability is critical in order to identify how the number and behavior of multiplay subscribers and mix of service traffic impacts overall subscriber QoE. It is also mandatory to test all services on the same port to mirror real network deployments and realistically validate the multiplay readiness of network infrastructure equipment prior to widespread deployment.

New products and enhancements to the Agilent N2X include a per-port multiplay measurements that have been added to the existing N2X IPTV QoE productivity applications for both IPv4 and IPv6 networks. Also included are new N2X VoIP SIP emulation software that has been introduced to complement existing software for testing video and data services and cover all multiplay service implementations. Finally, industry-first N2X ANCP/L2CP protocol emulation allows service providers and network equipment manufacturers to validate the topology discovery and line configuration capabilities of their ANCP-enabled routers and switches, which are key to ensuring subscriber QoE in today's service-aware networks.

"Multiplay services must be measured in contextas a whole, not in individual silos," said Rod Unverrich, general manager of Agilent's data networks operation. "In a single application, N2X measures the comparative quality of different multiplay services to evaluate a subscriber's overall quality of experience, which directly impacts subscriber retention and bottom-line revenue."

The Agilent N2X multiservices test solution is available now at a starting price of $20,000.

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