Agilent Technologies Expands Router Protocol Testing Solutions With New SessionStorm Traffic Generator for QA Robot Family.
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Module Provides Users with Enhanced Control over Packet
Contents to Validate End-to-end Reliability
and Performance in IP Packet Processing
Agilent Technologies This article needs sources or references that appear in reliable, third-party publications. Alone, primary sources and sources affiliated with the subject of this article are not sufficient for an accurate encyclopedia article. , Inc., a subsidiary of Hewlett-Packard Company, today introduced the newest addition to its family of solutions for testing the carrier-class routers used to switch IP-based voice and data traffic. SessionStorm, a new traffic generation module for the QA Robot test platform, will allow users to evaluate end-to-end routing performance by analyzing the handling of "real world" traffic originating from up to 20,000 different end-user sessions. Users can easily define packet contents, packet size, transmission rates and other session characteristics to test router reliability and performance under a wide range of simulated conditions.
"SessionStorm offers a real alternative to the simple 'packet blasting' in use today by network equipment manufacturers and their prospective customers that simply tests raw performance under somewhat unrealistic conditions," said Paul Goransson, product operations manager See datacenter manager. of Agilent's Advanced Networks Division. "SessionStorm provides the tools and flexibility needed to quickly define packet content, forward traffic, and analyze both throughput and accuracy of packet handling. This provides a significantly deeper and richer test environment for assessing the strengths and weaknesses of network equipment under many different scenarios and realistic conditions."
The QA Robot system, acquired as part of the purchase of Qosnetics, Inc. by Agilent(1)in September 1999, is a hardware/software platform that provides a complete protocol test solution for conformance and performance evaluation Performance evaluation
The assessment of a manager's results, which involves, first, determining whether the money manager added value by outperforming the established benchmark (performance measurement) and, second, determining how the money manager achieved the calculated return of network equipment that utilize BGP-4, IS-IS (Intermediate System to Intermediate System) An ISO protocol that provides dynamic routing between routers. IS-IS is an interior gateway protocol (IGP) and was the first comprehensive link state protocol. and OSPF (Open Shortest Path First) A routing protocol that determines the best path for routing IP traffic over a TCP/IP network based on distance between nodes and several quality parameters. -- today's most widely used Internet routing protocols.
The SessionStorm module and QA Robot include an extensive library of
predefined scripts, including RFC-compliant tests that permit users to immediately perform a wide range of equipment performance measurements and benchmarks. Using QA Robot tools, customers can modify these scripts, or create their own to profile-specific traffic patterns. Scripts can also be combined to form test suites and be stored for future use. QA Robot incorporates a complete TCP protocol See TCP. implementation, including all defined TCP (1) (Transmission Control Protocol) The reliable transport protocol within the TCP/IP protocol suite. TCP ensures that all data arrive accurately and 100% intact at the other end. session functions, such as timers, connection setup and tear-down. Users can also set inter-packet delay and QoS levels -- on a per-session basis -- as well as creating fully-compliant TCP/UDP TCP/UDP Transmission Control Protocol/User Datagram Protocol traffic and defining TCP or UDP UDP (uridine diphosphate): see uracil.
(User Datagram Protocol) A protocol within the TCP/IP protocol suite that is used in place of TCP when a reliable delivery is not required. packet content and size, to evaluate router performance under different network conditions and payloads.
In addition to analyzing and comparing incoming and outgoing packet contents, the system also measures and reports QoS and network performance statistics. Test routines can be run on an automated, unattended basis, speeding regression testing In software development, testing a program that has been modified in order to ensure that additional bugs have not been introduced. When a program is enhanced, testing is often done only on the new features. required to isolate problems.
The QA Robot System complements Agilent's RouterTester, introduced last month. Together, RouterTester and QA Robot provide a complete solution for testing both elements of a router's operational performance -- packet forwarding and route processing.
U.S. Pricing and Availability
The SessionStorm module is available now for customer shipment. Pricing for the product, which includes a QA Robot platform, starts at $36,000.
Additional information about QA Robot can be found on the Web at http://www.agilent.com/comms/QARobot.
About Agilent Technologies
Agilent Technologies, Inc. is a diversified technology company, resulting from Hewlett-Packard Company's plan to strategically realign re·a·lign
tr.v. re·a·ligned, re·a·lign·ing, re·a·ligns
1. To put back into proper order or alignment.
2. To make new groupings of or working arrangements between. itself into two fully independent companies. With 42,000 employees serving customers in more than 120 countries, Agilent Technologies, as a subsidiary of HP, is a global leader in designing and manufacturing test, measurement and monitoring instruments, systems and solutions, and semiconductor and optical components. The company serves markets that include communications, electronics, life sciences and healthcare. The businesses comprising Agilent had net revenues of nearly $8 billion in fiscal year 1998.
Information about Agilent Technologies can be found on the Web at http://www.agilent.com.
(1) Agilent was under the HP name at the time.
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