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NETSCOUT Unveils QoS Performance Monitoring For Large, Complex Networks

December 15, 2003

New Features Address Information Gaps and Challenges of Correctly Implementing and Monitoring Differentiated Services End-Through-End

WESTFORD, Mass., Dec. 15 /PRNewswire-FirstCall/-- NetScout Systems, Inc. (Nasdaq: NTCT), a leading provider of enterprise-wide network performance management solutions, today announced that enterprises can improve the accuracy and success of their QoS implementations using new, enhanced QoS monitoring capabilities available in NetScout's nGenius(R) Performance Management Solution. As one of the latest management complexity challenges addressed under NetScout's CDM(TM) Technology initiative, NetScout's QoS monitoring features allow IT managers to plan, implement, validate and optimize DSCP-based QoS deployments in the context of their entire network and application infrastructures. With a more comprehensive understanding of the impact and effectiveness of QoS traffic management on the total network environment, enterprises can better ensure that their networked applications and services are meeting business priorities.

Driven by the need to leverage existing network bandwidth more fully, protect mission critical applications, and ensure the quality of delay- sensitive traffic such as Voice-over-IP and streaming media, large enterprises and government agencies are increasingly turning to QoS traffic classification in their network configurations. Planning a QoS implementation is difficult, but many are finding an even more daunting challenge in understanding whether or not their deployment was successful. Without a means to directly quantify the network traffic utilizing each classification, network operators are left to guess whether their prioritization schemes are achieving the desired balance, are unduly impacting or restricting lower priority traffic, or are being compromised by improperly configured network devices.

"As enterprise IS organizations advance toward a more mature IT service management model, they are using differentiated classes of service to help align IT infrastructure capacity with business priorities," said Debra Curtis, research director for Gartner, Inc. "To ensure their QoS programs are effective, IT managers must be prepared to validate that business applications are being delivered according to their assigned class of service and to proactively suggest tuning of service classes to reflect changing business needs and priorities."

The nGenius(R) Solution unifies network and application performance management for the converging enterprise. NetScout's flagship application, nGenius(R) Performance Manager, leverages the unified data made available through NetScout's patent-pending CDM technology to deliver consistent utilization, response time and availability metrics for application monitoring, network monitoring, capacity planning, troubleshooting, fault prevention and service level management -- all from a single, fully-integrated solution.

Using the new QoS monitoring capabilities in the nGenius Solution, IT organizations can justify QoS decisions and demonstrate the effectiveness of QoS deployments by:

    -- Performing accurate network audits to identify all applications on the
       network as input to developing traffic policies and assigning service
       classes, or DSCPs (Differentiated Services Code Points)
    -- Automatically identifying DSCPs, allowing rapid recognition and
       monitoring of QoS traffic, network-wide
    -- Viewing all real-time traffic within each QoS class collectively or
       independently in the same manner as physical or virtual network
       segments, revealing details on top talkers, hosts and conversations
    -- Capturing and analyzing packet-level traces by individual QoS classes
       for in-depth troubleshooting
    -- Sending IP Ping tests with a QoS classification to streamline problem
       identification and resolution
    -- Reporting against groups of applications within each particular code
       point to efficiently pinpoint misconfigured devices in large,
       distributed environments
    -- Generating historical reports by QoS level to understand changes in
       traffic patterns and trends for making informed traffic engineering and
       capacity planning decisions

"NetScout offers a unique solution that combines traffic information by QoS level with the broader performance metrics of the network," said Michael Szabados, senior vice president of product operations for NetScout Systems. "These new features evidence the power and extensibility of our CDM Architecture for managing cutting-edge technologies with the same tools that can be used to manage current environments. Enterprises can use them to validate both that QoS traffic is being delivered as expected and that results of QoS deployments are achieving desired business and IT service goals."

Pricing and Availability

The new QoS monitoring features are available in nGenius Performance Manager 2.0 and all models of nGenius Probes at no additional charge. Existing NetScout MasterCare customers can receive the new features for free by upgrading to these latest product versions. For additional product or ordering information about nGenius solutions, call NetScout Systems at 1-800- 657-7666 or visit our Website

About NetScout Systems, Inc.

NetScout Systems, Inc. (Nasdaq: NTCT) is a market leader and pioneer of integrated network performance management products that unify performance across the enterprise. NetScout's nGenius(R) Performance Management System is helping more than 3000 leading companies increase their return on infrastructure investments by optimizing the performance of networks and applications according to business priorities. NetScout is headquartered in Westford, Massachusetts and has offices worldwide. Further information is available at

NetScout and the NetScout logo, and nGenius are registered trademarks of NetScout Systems, Inc. CDM and the CDM logo, and MasterCare and the MasterCare logo, are trademarks of NetScout Systems, Inc. Other brands, product names and trademarks are property of their respective owners. NetScout reserves the right, at its sole discretion, to make changes at any time in its technical information and specifications, and service and support programs.

    For Further Information:
     Peggy Flynn
     NetScout Systems
     (978) 614-4162

     Dawn Sullivan
     Schwartz Communications, Inc.
     (781) 684-0770

SOURCE NetScout Systems, Inc.

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