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Performance Tuning Is A Process--Not A Tool

MULTI-MILLION DOLLAR loses occur every problems due to incomplete testing
day due to poor application testing designs--and missing the true "gotchas."
plans, too much trust in automated Network & Application testing crosses
testing tools and a general lack of the many corporate departments and
big picture. Plans are made without boundaries. This wears people down and
understanding how IT all works together. makes them ready to accept any result
Yet more automated tools hit the market that will at least get the testing
every day. The Web is alive with ads for completed. The results are not surprising
software that will do the following: from this perspective. The incident of
Analyze your application response time "successful" application performance in
from the perspective of the User testing is not equal to the incidence of
experience. End to End transparent successful application performance in
application monitoring. Create "Load" real-life. Network & application
that exactly simulates user experience. performance problems continue on--month
Automate application performance analysis after month, year after year. Users stop
& troubleshooting. Based on these sending in tickets but still complain to
products and their claims, you would their manager. This results in a schism
think that the goal of IT Management is between perceived problems and reported
to automate all aspects of Network & problems. The Solution: There is really
Application Performance Troubleshooting. only one consistently successful approach
Nevertheless, here is an important to troubleshooting under-performing
question: Is that not a little like networks & applications, the Network &
asking a chicken to guard the chicken Application Performance Analysis Team.
coop? Who is monitoring the monitor tool? This approach has a near 100% success
Is it not just another application? This rate at providing resolution. It involves
goes around in circles. Humans use tools, utilizing a highly skilled "SWAT" team of
highly skilled and experienced humans. To individuals that look at all the
rely so heavily on automation to monitor component factors. These factors include
other automation is to hope one potential the following: Servers Directory Services
failure catches another potential Operating Systems TCP issues Other
failure. Furthermore, our experience has Protocol Issues Workstation builds LAN
shown that companies all too often Issues WAN Issues User Skills & Training
utilize under-skilled staff for these Database Optimization Interaction with
roles, hoping that the tool will know other Applications Server Consolidation /
what to do with itself or simple default Virtualization Issues The team works with
configurations will apply. Catch 22? a client's Subject Matter Experts for the
Well, yes. You cannot take the need for application and database involved.
skill, training and experience out of the Frequently, a Network & Application
equation; even if you believe automated Performance Analysis Team member is the
tools can do the job. Yet experience has first to understand the application from
shown that not only do many automated the bottom up to the top. People working
tools not perform exactly as anticipated, with other humans--interviewing users,
the skill level of the human being network staff, application staff and
configuring these tools and tests is others--utilizing protocol analyzers such
critical to the success of the test. Here as Sniffer, Ethereal, WireShark and
are a few typical problems: It is the others, will find the problem
business user, possibly backed up by the consistently. Resolution is always the
application Subject Matter Expert (SME) Primary Goal. Barry Koplowitz founded
that designs most automated application Interpath Technologies Corporation in
tests. Between them there is little 1999. He has been consulting in the IT
expertise regarding the network field since 1984 and has specialized in
components, Operating Systems and TCP the area of Network & Application
aspects of the way the application works Analysis/Troubleshooting--with various
on a network--or across a WAN. Frequently Protocol Analysis Tools--for the last 11
they create problems that are not reality years.
based, resulting in testing artificial




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