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NETSCOUT Announces Market's First High Density Probe for Monitoring Data & Voice Traffic in T1/E1 Wide Area Networks

November 23, 2004

Eight-Port Solution Offers Cost-Effective, Flexible Performance Management for

Applications Flowing Between HQ Data Centers and Multiple Remote Sites

WESTFORD, Mass., Nov. 23 /PRNewswire-FirstCall/ -- NetScout Systems, Inc. (Nasdaq: NTCT), a leading provider of enterprise-wide network and application performance management products and solutions, today announced the market's first eight-port monitoring solution for T1/E1 wide area networks with the nGenius(R) Eight-Port T1/E1 Probe. The new probe allows enterprises to cost- effectively monitor and manage the performance of applications in lower speed WAN segments where performance and cost containment are top requirements.

"T1/E1 circuits are used extensively by enterprises to connect their corporate data centers with remote offices, customers, partners and vendors," said Michael Szabados, senior vice president of product operations for NetScout Systems. "These segments often carry critical CRM, ordering and supply chain transactions, and will increasingly be a prime conduit for IP voice and video. This probe covers up to eight T1/E1 trunks, reconciles traffic between redundant trunks, and breaks out applications delivered within each of the T1's virtual circuits that allocate bandwidth across multiple locations. Customers can fully and proactively manage application and network performance for dozens of remote sites using this probe."

Supporting the IT needs of multiple remote sites can be challenging due to network complexity. A T1/E1 line will often be allocated across multiple sites through the use of virtual circuits. Each virtual circuit is designated by specific DLCI, or packet identifier, that directs traffic through the public infrastructure instead of a single, dedicated line. In order to understand the networking requirements of individual remote sites, IT managers need to be able to monitor the volume and responsiveness of applications associated with each DLCI. NetScout's nGenius(R) Solution discovers and tracks all types of activity occurring with each DLCI. Traffic can then be analyzed by the individual DLCI or against the whole trunk. In addition, applications that are load balanced across multiple links can be reconciled within a single view or report to support faster problem resolution and better planning. The ability to display and report on the utilization and performance of aggregate or separate WAN links is extremely valuable for evaluating and justifying the benefits of redundant circuits.

All nGenius(R) Probes offer high performance, real-time monitoring of all types of standard, Web-based and complex applications. Application flow statistics are presented in both physical and logical business views of network activity and in the context of other key technologies deployed such as VPNs and QoS to simplify decision making. nGenius Probes are an integral component of the nGenius(R) Performance Management System, which collects and unifies information collected from across the enterprise to address the six key performance management disciplines of application monitoring, network monitoring, capacity planning, troubleshooting, fault prevention and service level management. All NetScout products are based on NetScout's patent- pending CDM(TM) Technology that enables consistent enterprise-wide utilization, response time and availability metrics within a single, fully- integrated solution.

Pricing and Availability

The nGenius Eight Port T1/E1 Probe, also available in T1D/E1D (demarc) configurations, starts at $29,995 and is available today. For additional product or ordering information about nGenius solutions, call NetScout Systems at 1-800-357-7666 or visit our Website

About NetScout Systems, Inc.

NetScout Systems, Inc. (Nasdaq: NTCT) is a market leader and pioneer of integrated network and application performance management products and solutions 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. 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                   Dawn Sullivan
     NetScout Systems              Schwartz Communications, Inc.
     (978) 614-4162                (781) 684-0770 

SOURCE  NetScout Systems, Inc.
    -0-                             11/23/2004
    /CONTACT:  Peggy Flynn of NetScout Systems, +1-978-614-4162,, or Dawn Sullivan of Schwartz Communications, Inc., +1-
    /Web site:

CO:  NetScout Systems, Inc.
ST:  Massachusetts

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