NETWORK WORLD NEWSLETTER: DENISE DUBIE ON NETWORK OPTIMIZATION 08/19/04 Today's focus: Network Instruments probe on TAP
Dear [EMAIL PROTECTED], In this issue: * Network Instruments Full Duplex Probe Appliance uses test ��access point * Links related to Network Optimization * Featured reader resource _______________________________________________________________ This newsletter is sponsored by ProactiveNet FREE Webinar: Speeding Problem Resolution with Performance Analytics Learn what any IT or Operations group needs to know about managing application performance! Hear from the online gurus at one of the world's leading online financial services companies and learn how adding ProactiveNet performance analytical software can drastically reduce the time needed to find the source of application performance bottlenecks. http://www.fattail.com/redir/redirect.asp?CID=72634 _______________________________________________________________ CHECK OUT NW FUSION'S NEW WHITE PAPER LIBRARY Just launched: NW Fusion's White Paper Library with new features and improved capabilities! Sort NW Fusion's library of white papers by Date and Vendor, view white papers by TECHNICAL CATEGORY, mouse over white paper descriptions and take advantage of our IMPROVED white paper search engine. CLICK HERE: http://www.fattail.com/redir/redirect.asp?CID=72543 _______________________________________________________________ Today's focus: Network Instruments probe on TAP By Denise Dubie Network Instruments last week announced the availability of its Full Duplex Probe Appliance, which the company says will passively monitor and maintain 10/100 full-duplex links at wire-speed. The 1U rack-mountable system uses a 100M-byte full-duplex test access point (TAP) to ensure complete and passive analysis, the company says. Network Instruments says with the probe, IT administrators can "eliminate their dependence on a SPAN or mirror port, reduce switch load and ensure data integrity." According to Paul Georgeson, senior hardware engineer for Network Instruments, the new probe addresses three top drawbacks of using a SPAN or mirror port. In a statement, Georgeson says: "First, the port has to aggregate both directions of the conversation into a single stream to port to the analyzer. If total utilization exceeds 50% or 100M bytes, packets can disappear inside the switch. "Second, the SPAN port puts an additional and unnecessary load on the switch. Third, if the switch becomes too busy with its primary tasks, the analyzer port receives a lower priority and delivers packets incorrectly. In this case, what looks to be a problem, may not even be an issue. With the Network Instruments Full Duplex Probe, data integrity and load is never a concern." The Full Duplex Probe Appliance works with the company's Observer software console to offer detailed views of full duplex links, with more than 30 real-time statistics, packet captures, and a complete Expert Analysis system with over 500 Expert events. Real-time statistics include total and individual link bandwidth utilization, top talkers, and virtual LAN analysis. The appliance also decodes more than 500 protocols. This hardware unit contains the new Network Instruments Advanced Expert Probe software to perform packet captures and Expert Analysis data processing at the probe. By incorporating the 100M-byte Full Duplex TAP, Network Instruments says IT administrators can insert and remove the appliance without any disruption to the network. Pricing for the Full Duplex Probe Appliance begins at $4,995 and includes a 100M-byte full duplex TAP for passive analysis. RELATED EDITORIAL LINKS Network Instruments adds expert analysis Network World Network Optimization Newsletter, 07/27/04 http://www.nwfusion.com/newsletters/accel/2004/0726netop1.html Network Instruments probes trunks Network World Network Optimization Newsletter, 03/09/04 http://www.nwfusion.com/newsletters/accel/2004/0308netop1.html Bringing WLANs into the management fold Network World, 08/02/04 http://www.nwfusion.com/news/2004/080204wifimgmt.html _______________________________________________________________ To contact: Denise Dubie Senior Writer Denise Dubie covers network and systems management for Network World. Reach her at <mailto:[EMAIL PROTECTED]>. _______________________________________________________________ This newsletter is sponsored by McAfee Visit the Enterprise Security Center, sponsored by McAfee(r), for an exclusive collection of news, whitepapers, information, analysis and strategy for securing your networks and systems. Learn new strategies for securing your servers and protecting your desktops from viruses. Get the latest information on how to stay on top of the latest threats to your network and bolster your skills in synergizing your IT staff as a critical business asset. http://www.fattail.com/redir/redirect.asp?CID=72596 _______________________________________________________________ ARCHIVE LINKS Archive of the Network Optimization newsletter (formerly Web Acceleration): http://www.nwfusion.com/newsletters/accel/index.html _______________________________________________________________ FEATURED READER RESOURCE WONDERING IF YOUR PAY IS UP TO SNUFF? Check out Network World's 2004 Salary Calculator to see if you're getting paid what you're worth. Using data collected in the 2004 Network World Salary Survey, we've programmed this calculator with several categories that could affect your pay. Answer the questions and find out what the average salary is for your job category. 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