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C9560-568 IBM Tivoli Composite Application Manager for Application Diagnostics V7.1

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C9560-568 exam Dumps Source : IBM Tivoli Composite Application Manager for Application Diagnostics V7.1

Test Code : C9560-568
Test designation : IBM Tivoli Composite Application Manager for Application Diagnostics V7.1
Vendor designation : IBM
exam questions : 112 real Questions

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IBM IBM Tivoli Composite Application

IBM Cyanea purchase boosts Tivoli | killexams.com real Questions and Pass4sure dumps

information

IBM Cyanea purchase boosts Tivoli
  • by means of moneyed Seeley
  • 07/29/2004
  • IBM announced Thursday (7/29) that it has agreed to purchase Cyanea, an Oakland, Calif.-based mostly privately held trade headquartered in 2001 that specializes in application monitoring and management software. IBM isn't disclosing particulars of the transaction or fiscal phrases.

    Cyanea’s technology may subsist integrated into IBM’s Tivoli techniques management application items, Robert LeBlanc, yardstick manager, IBM utility and Integration Middleware Division, told journalists in a conference name. along with products from IBM’s recent acquisition of Candle, the Cyanea application permits Tivoli to give comprehensive management of composite trade purposes, he mentioned.

    “there is a starting to subsist client requirement for materiel to manage composite functions,” LeBlanc observed. “Most materiel don’t give the drill-down capabilities essential.”

    He pointed out the amalgam of the items developed through Tivoli and the applied sciences received from Candle and Cyanea permit IBM to present consumers “equipment on a typical infrastructure that basically manipulate software management.”

    The software developed via Cyanea isolates and determines where performance complications are happening in distributed purposes, noted James Chong, president and chief govt officer at Cyanea, who is becoming a member of IBM.

    Chong stated his research and edifice work got down to fill a niche he present in aid management tools, which he noted carryout not segregate the issue to a selected application or provide a resolution as to what exactly goes incorrect.

    “Cyanea views issues from the utility aspect of view,” Chong stated. “It puts the issue in an application context.”

    via pinpointing the rigor in an application, it is more convenient to avert bottlenecks during the utility actuality cycle from progress through protection, he stated.

    The Cyanea software works with Java, CICS and IMS enterprise functions working throughout mainframe and distributed computing environments, in keeping with IBM. IBM’s LeBlanc said that past Tivoli, the Cyanea know-how will furthermore subsist built-in into IBM’s Rational and WebSphere items.

    IBM and Cyanea had now not been strangers earlier than the acquisition announcement. LeBlanc stated both businesses had been working in partnership basically considering that Cyanea’s inception. Chong spoke of that vulgar 75 employees from his trade could subsist becoming a member of IBM.

    about the creator

    rich Seeley is net Editor for Campus expertise.


    IBM Shares Plans for brand recent materiel to aid Tivoli gadget z management software | killexams.com real Questions and Pass4sure dumps

    source: IBM

    November 28, 2007 10:50 ET

    ARMONK, recent york--(Marketwire - November 28, 2007) - IBM (NYSE: IBM) today introduced recent administration and protection features to uphold consumers gain the most the market-leading capabilities of gadget z to better productiveness and uphold for brand recent enterprise processes.

    The upgrades, introduced at the 2007 Governance & risk management summit in Sanya, China, construct upon IBM's potent dedication to carry security and company resilience via its IBM Mainframe z/OS in addition to previously introduced choices.

    "these days they are strengthening gadget z administration with improved tools and an intuitive, effortless to gain disburse of interface for the most traumatic computing environments," stated John Kogel, VP of Tivoli development. "Tivoli utility operates as the 'brains' at the back of the mainframe. We're assisting purchasers with efficiency and functions management, system and workload automation, network and storage administration, fiscal and utilization reporting and protection administration."

    IBM is the market income chief in performance and availability management utility for 2006, in response to the analyst company IDC. In its August 2007 report, "global efficiency and Availability management application 2006 dealer Shares," (IDC document #208193), IDC referred to how IBM led in market participate for performance and availability administration application as well as savor automation software.

    As an extension of IBM's $one hundred million Mainframe Simplification funding introduced in 2006, the brand recent application portfolio helps materiel z purchasers control increasingly advanced and inter-based purposes. through open standards, the Tivoli enhancements carry recent degrees of productiveness while safeguarding the security of their records. recent capabilities corresponding to Tivoli OMEGAMON XE for CICS Transaction Gateway and Tivoli Composite software supervisor for SOA allow consumers to roll out recent trade purposes impulsively.

    IBM additionally lately unveiled enhancements to its Rational software portfolio to uphold materiel z valued clientele shorten deployment cycles and assist developers with different technical backgrounds to jointly create greater-value technology options.

    Tivoli OMEGAMON XE for CICS Transaction Gateway helps consumers proactively manipulate crucial workloads and materials. here is peculiarly essential as extra businesses depend on composite purposes that access mainframe elements. And, as extra organizations circulate to a many-sided SOA computing infrastructure, Tivoli Composite software supervisor for SOA will assist purchasers win probably the most from their composite applications.

    during the conclusion of this yr, IBM Tivoli plans to replace its comprehensive portfolio of materiel z options, together with:

    -- Enhancements to Tivoli's infrastructure administration solutions corresponding to OMEGAMON XE on z/OS for stronger problem election and analysis, and OMEGAMON XE for DB2 performance expert to control the efficiency and performance of DB2 purposes, and OMEGAMON XE on z/VM and Linux to control Linux workloads, identify, isolate, and win to the bottom of complications across z/VM and Linux and optimize the z/VM Linux ambiance; huge real-time administration and reporting features for both the OMEGAMON traditional 3270 user interface and the Tivoli commercial enterprise Portal (TEP) and additionally Day 1 aid and exploitation of recent aspects for IBM's essential mainframe materiel and sub- device recent releases; -- developments in Tivoli's software, workload and availability administration solutions corresponding to gadget Automation with computerized alert, escalation and monitoring, and Tivoli Dynamic Workload broking service to seriously change static IT infrastructures into dynamic, virtualized environments by way of dynamically routing workloads to the optimal purchasable resources; -- improvements throughout Tivoli's community and storage management options corresponding to NetView for z/OS pre-described circumstances, professional assistance and increased assist for IPv6, and OMEGAMON XE for Storage to manage performance and availability of mainframe-connected storage together with DASD, tape contraptions, and the datasets that reside on them; -- Enhancements for Tivoli's service management and monetary administration options together with usage and Accounting manager to assist corporations optimize and align company goals with IT spending, Tivoli decision help for brand recent net-primarily based reporting, and repair Request manager for visibility to efficiency metrics and service flush Agreements as well as a single service desk for both IT and company belongings; -- advancements for Tivoli's safety and compliance management options together with diverse releases from the Tivoli zSecure portfolio, designed to uphold administer the mainframe security server, display screen for threats, audit utilization and configurations, and implement policy compliance. Administration, provisioning, and management items of the suite can enormously in the reduction of administration time, pains and fees. Audit, monitoring and compliance software assist ease the tribulation of compliance audits, augment protection and incident dealing with, and augment ordinary operational effectiveness. These are a participate of the Tivoli zSecure free up 9 in December.

    About IBM's five-12 months March to Mainframe Simplification

    introduced in October of 2006, IBM launched a move-enterprise pains to gain the IBM system z mainframe -- the realm's most refined trade computer -- more straightforward to disburse for a greater variety of laptop authorities by way of 2011. The purpose of this five-year effort, to subsist able to encompass an funding of approximately $a hundred million, is to allow know-how directors and laptop programmers to more without rigor software, manage and administer a mainframe system -- as well as to increasingly automate the construction and deployment of functions for the mainframe environment. The initiative, involving a team of hardware and utility consultants, leverages IBM's talents in automation and methods management.

    For materiel z product assistance, discuss with www.ibm.com/systems/z

    All guidance launched in this announcement represents IBM's existing intent, is discipline to change or withdrawal, and represents best goals and objectives.


    Did IBM just alternate the online game in deepest cloud? | killexams.com real Questions and Pass4sure dumps

    Does IBM believe the wherewithal to compete in the commodity hardware cloud?

    Say "IBM" and "cloud computing" in the identical breath and a lot of IT managers will roll their eyes. The IT chief's cloud way has been viewed with the aid of many as a mess.

    but that may well subsist about to alternate. IBM these days printed a beta software of updates to its Tivoli software that may furthermore breathe recent lifestyles into the business's deepest cloud ambitions.

    [These updates] are rather significant.

    Judith Hurwitz, commercial enterprise IT strategy advisor

    the recent capabilities comprise assist for VMware's VIM APIs in quite a lot of Tivoli tools, together with image repositories, automated provisioning, utility deployment and Tivoli Storage manager (integrating TSM and VMware heretofore has not been pretty). Enhancements to Tivoli Provisioning supervisor may furthermore comprise booting VMware photos at once from block storage in its situation of having them preloaded into memory. IBM claims that photos will furthermore subsist booted in seconds.

    "I suppose that here is definitely an abstraction layer over VMware," talked about Mladen Vouk, vice provost of IT at North Carolina situation tuition.

    NCSU operates an IBM POWER7-powered private cloud that serves more than 80,000 instances over the direction of a college year. Vouk observed that IBM’s "superior virtual deployment application" amounted to a colossal step forward for managing infrastructure and operating a virtualized environment.

    The upshot, Vouk referred to, is that after these enhancements are generally attainable -- which can subsist byfar some time -- operators carryout not believe to juggle vCenter and Tivoli in a combined ambiance. they can carryout vulgar of it from Tivoli, including x86 servers, a variety of hypervisors, mainframe supplies and storage below one umbrella. That can furthermore prove compelling for IT environments that aren’t one hundred% commodity hardware. It could additionally gently decouple some longstanding assumptions about commercial enterprise virtualization.

    "What [users] can carryout if they’ve performed Tivoli correct, is they can replace VMware with KVM, or Xen for that rely. they could opt for Microsoft Hyper-V, disburse something they like," Vouk said.

    He delivered that Tivoli is a mature, OS-agnostic automation and provisioning platform, and IBM’s massive application portfolio can match the relaxation VMware or Microsoft can deliver ahead in systems management.

    different updates within the beta application encompass a federated photograph library (photographs may furthermore subsist in a lot of diverse areas in your network), image mobility (like VMotion) and "utility deployment applying composite photos" (utility templates affection 3Tera). If IBM can tow together its wealth of infrastructure automation software and gain it work throughout the most generic commodity hardware and virtualization systems accessible, it can dominate over other claimants to the private cloud.

    IBM searches for its cloud strategy mojoCloud computing took off when Amazon web functions tested that low priced, commodity hardware and homebrew systems administration might generate large economies of scale to carry IT. To many individuals, IBM is proprietary hardware, advanced administration and boatloads of imprecise software. Most firms planning a transition to cloud-like environments study commodity x86 servers and VMware, for the most half.

    And when IBM gives you, the effects can furthermore subsist a train destroy. facts core consolidation initiatives in Indiana, that believe been offered with claims many would associate with cloud -- automated provisioning, metering and scale out to IBM’s infrastructure and repair -- grew to become into billion-greenback boondoggles that left admins disgruntled.

    however, what’s definitely been underreported is the depth and breadth of what IBM's finished in terms of the cloud, referred to Judith Hurwitz, CEO of Hurwitz & buddies Inc., and an enterprise IT strategy advisor. She known as IBM a dozing colossal when it comes to how many different elements of cloud computing through which it has a base.

    She spoke of that, for an commercial enterprise to basically duty a cloud computing environment, simple constructing blocks in system had been critical, affection provider oriented architecture(SOA) principles, infrastructure automation and enterprise way automation -- vulgar of which IBM has main stakes in throughout its enterprise units. It furthermore has decades of IT capabilities birth in infrastructure and software.

    Hurwitz thinks this launch is the starting of IBM tying them together into a seamless, commercial enterprise-competent cloud platform. "It’s byfar giant," she noted.

    Hurwitz referred to that beneath POWER7 and, loosely speaking, in mainframe deployments, IBM had installed a major variety of practicable cloud infrastructures. many of these are in tutorial associations and other bastions of elevated tech, but Hurwitz referred to IBM understood the mannequin simply excellent. It become the act of pulling together the a considerable number of pieces from throughout the enterprise that had been tough for huge Blue.

    IBM additionally noted that Swiss state-operated railway service provider Schweizerische Bundesbahnen (SBB) is the disburse of the recent capabilities as participate of its IT infrastructure.

    might IBM render VMware a non starter?If IBM can preserve its act together on this cloud platform software and carry an conclusion product that lives as much as the promise, it'll become the basic competitors not handiest for VMware and its administration tools however Microsoft, HP, BMC, CA and the entire leisure.

    while its cloud computing efforts up to now are both semi-public cloud functions just affection the wee company check and construction Cloud or lukewarm converged hardware choices affection CloudBurst, Tivoli is a typical methods management platform within the trade and IBM is in a lot of heterogeneous IT stores. VMware, additionally broadly installed within the business, continues to push its virtualization administration materiel for cloud computing.

    IBM has promised its Tivoli platform can carryout everything VMware's platform can carryout and more. So if CIOs might pick one, ignore the different and win a personal cloud, would they are proverb no?

    Carl Brooks is the Senior technology creator for SearchCloudComputing.com. Contact him at cbrooks@techtarget.com.


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    IBM Tivoli Composite Application Manager for Application Diagnostics V7.1

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    New tools assist to diagnose LAN application problems | killexams.com real questions and Pass4sure dumps

    New tools are available to assist in the diagnosis of involved network-based applications running over the LAN. These tools are much easier to disburse than old-style sniffers and guesswork, and they're much easier to interpret to applications developers. Read this technical tip to learn about them and to dwindle the time that your network staff has to invest in application diagnosis.

    The network is the recent backplane of a multi-server system; a sole transaction often requires the nearby cooperation of multiple servers, databases and appliances connected to one another by network paths. Each of these devices is frequently updated with recent software, and the network itself is always changing, with recent paths, recent switching devices and recent configurations. It's therefore almost impossible to reproduce a modern multi-server, network-based production system in a test lab. Unfortunately, it's usually the subtleties of the production environment that understanding problems in production applications.

    Systems managers must therefore anticipate that programmers will appear in their operations center. Those programmers want to trail an individual transaction through a maze of materiel and network paths, but often the tools available in the production environment provide only summary performance metrics and, possibly, some cryptic protocol traces from a few LAN segments. They must either guess at what is happening to individual transactions by looking at the summary data or disburse hours trying to find and match up pieces of the transaction stream captured by protocol tracing utilities -- an often fruitless exercise, and one that requires protocol learning that programmers often don't have.

    Dye tracing, which can follow an individual transaction through multiple servers, gives programmers a chummy diagnostic environment. When comprehensive dye-tracing facilities believe been installed, programmers can watch each program call, its timings, and its parameters, as if the entire process were contained within a sole server. They can watch as a synthetic (test) transaction arrives at a server, progresses through the applications software and the database calls, and then generates a response; they can watch individual customer transactions that are having problems to see where inside the applications and the servers the rigor or bottleneck is occurring.

    Dye tracers cost money; they require software to subsist inserted into production servers, which adds complexity. There is furthermore a wee performance penalty. For those reasons, some production organizations resist their use. But assume of the time and pains saved when there's a problem! Programmers intuitively understand a dye tracer; it's similar to the tools they disburse in development. They can find a problem quickly, with much less involvement of the network operations staff and without the requisite to obtain protocol traces quickly during a crisis -- which may itself understanding problems. The progress group may even subsist willing to participate the cost of the dye-tracing system, and they may want to disburse it during progress to tune their applications -- which will furthermore gain them chummy with it when a crisis occurs.

    A dye-tracing system works by inserting a software shim between the application programs and the underlying operating system. In some dye tracers, that shim watches vulgar of the program calls, records their response time, and may furthermore copy some of the call parameters, such as SQL queries. To trail a process from one server to another, some dye-tracing shims can insert a tracking number into inter-processor messages. The shims in the different processors then disburse that tracking number and remove it from the messages before they're seen by the applications program. The entire dye-tracing system is completely transparent to the application.

    Dye tracers impose a slight load on the server systems, usually a very few percent. To dwindle the load further, the dye-tracing system can normally subsist used on only a few servers in a load-distributed environment, for only a restricted percentage of transactions, or only for tracing synthetic measurement transactions.

    Different varieties of dye tracers are available from a growing number of suppliers. Examples of these tools, vulgar with different capabilities, are CA's Introscope Transaction Tracer, HP's Transaction Analyzer, IBM Tivoli's Composite Applications Manager, OpTier's CoreFirst, Quest Software's PerformaSure, and Symphoniq's TrueVue.

    About the author: Eric Siegel is a senior analyst at the Burton Group. He is a nationally known authority on Web performance measurement and optimization. He has 32 years of savor in design and evaluation of large computer networks and is the author of major portions of Burton Group's original Reference Architecture. At Burton, Eric specializes in Web and network performance optimization, SLAs, network measurement and management, and QoS.


    Software measures discontinuance user response time at browser. | killexams.com real questions and Pass4sure dumps

    Press Release Summary:

    Helping engineers minimize slowdowns, Response Time Instrumentation measures system response times as experienced by user during transactions initiated within Microsoft Internet Explorer. Program monitors start of action and when result is returned and rendered. When used in standalone mode, RTI includes its own agent to collect and transmit data. Software furthermore integrates with any agent or management system that uses established and open industry yardstick for Application Response Measurement.

    Original Press Release: OC Systems Ships Response Time Instrumentation (RTI) for Internet Explorer

    Measures actual discontinuance user response time at the browser

    FAIRFAX, Va., Jan. 15 /- Response Time Instrumentation (RTI) for Internet Explorer, from OC Systems, Inc., measures system response times as experienced by the user during transactions initiated within Microsoft Internet Explorer. It monitors the start of an action (i.e., when the user requests a page or submits data) and when the result is returned and rendered. This data is used by performance engineers to reduce application slowdowns and better the user savor for web-based applications or applications that believe a browser-based front end.

    "Because RTI measures the legal end-user experience, organizations can understand performance from the user's perspective," said Oliver Cole, president of OC Systems, Inc. "Most organizations believe no way to measure what an end-user actually experiences. They typically depend on estimates or disburse approximations, such as synthetic transactions, that carryout not necessarily reflect what the discontinuance user sees. This makes it difficult to identify and triage performance problems. With RTI they can focus on measurable improvements that enhance the user experience."

    RTI can subsist used in a standalone manner or integrated with an application management system. When used in standalone mode, RTI includes its own agent to collect and transmit data. The information RTI provides can subsist easily understood by help-desk and operational users, while the available context data provides actionable information to the progress teams when production problems occur.

    Out of the box, RTI furthermore integrates with any agent or management system that uses the established and open industry yardstick for Application Response Measurement (ARM) to provide immediate transaction tracing and decomposition from a user's PC through the back-end servers supporting the request.

    "RTI is a simple and straightforward product to disburse and integrates with application management solutions the organization already has, such as IBM Tivoli(R), to provide a complete and accurate solution," added Cole. RTI recently received the "Ready for IBM Tivoli Software" technical validation, indicating it meets or exceeds IBM's compatibility criteria for integration with IBM Tivoli Composite Application Manager.

    RTI for Internet Explorer is the first in a series of response-time measurement products from OC Systems, Inc. based on its work helping clients better the performance of involved systems. RTI Firefox is scheduled for release in 2008, with others to follow.

    RTI for Internet Explorer is free for noncommercial disburse and $195 for commercial use. Quantities of 50 or more qualify for a discounted rate of $99. RTI for Internet Explorer requires that a Java Runtime, version 1.4 or 1.5, subsist installed prior to usage.

    RTI for Internet Explorer is compatible with Internet Explorer Version 5 and higher running on Windows 2000 and XP.

    About OC SystemsOC Systems, Inc. provides state-of-the-art software tools, progress environments, and services that its customers disburse to better the performance and operational reliability of their software applications. Customers comprise Lockheed Martin, IBM, Sun Microsystems, Northrop Grumman, SAS, Sandia National Laboratories, Cognos, Intel, SAIC and the U.S. Army. Founded in 1983, the employee-owned company is based in Fairfax, Virginia. More information may subsist obtained at www.ocsystems.com/.

    Web site: http://www.ocsystems.com/

    Related Thomas Industry Update Thomas For Industry

    Network auditing and incident management: Pre-plan your next network meltdown | killexams.com real questions and Pass4sure dumps

    Why wait until meltdown, finger-pointing, and stale pizza acquire over your world as a system manager? You can pre-plan what you're going to carryout and gain your life a lot easier. There are five useful edifice blocks that can assist you to construct a successful incident management plan:

  • Configuration database and audit
  • External experts
  • Triage (Quick incident isolation)
  • Instrumentation
  • Dye tracing
  • Using these edifice blocks and a skilled crisis manager, you should subsist able to create a more smoothly-running system that handles both routine incidents and involved problems with less stress.

    Configuration database and audit

    A single, unified configuration management database (CMDB), completely up to date, is extremely valuable. They can putaquestionto it for the changes made in essential components just before failure occurred; they can putaquestionto it what will befall if they acquire a particular factor down for maintenance.

    In the real world, unfortunately, there almost certainly isn't a CMDB. Therefore, the system manager should start the organization on the path to CMDB implementation -- which, by the way, will almost certainly require austere penalties for any staff who gain changes without entering it in the CMDB.

    With or without the CMDB, all-encompassing and daily audits are a critical tool.

    All major applications should subsist reviewed regularly by the all-encompassing audit to detect their dependencies and bring documentation up to date. If some mission-critical application depends on a cheap PC stored under someone's desk, or is running only because operations has written a PERL script to nudge it along, it's better to learn that before there's a crisis.

    Then, at least once a day, a quick audit of the network and system configuration should subsist made to detect any changes or out-of-specification configurations or measurements. For example, the NetMRI tool from Netcordia can find and document changes in network topology and in the configuration of network elements. It can furthermore dash scripts to learn incompatible configuration changes. Similar tools are available for servers and other system components. The key belief is to find configuration changes before they interact with subsequent failures to create a major meltdown. Even if their repercussion is not recognized immediately, documenting the change will assist troubleshooters when a problem occurs.

    External experts

    Few organizations believe the expertise in-house to manipulate extremely involved problems. When those appear, external diagnostic experts who understand many different system components in depth and who are experienced with many different meltdown situations are invaluable.

    To find these experts, putaquestionto within your local community and putaquestionto major vendors who they disburse when they believe a multi-vendor problem. Bring in the experts to work with your staff while setting up your plans for system instrumentation and for triage, then do them on retainer to wait until you believe your next problem that you can't unravel without outside help.

    Triage (quick incident isolation)

    There are three goals for triage:

  • Recognize well-understood incidents (and the quick fix for them!)
  • Isolate subsystem problems to the answerable organization credibly
  • Recognize complex, major-crisis problems quickly
  • The operations staff should subsist trained to recognize and fix commonly-occurring incidents quickly. Even if they don't recognize an incident, it is often feasible to segregate it to a particular subsystem if preempt metrics are available. For example, synthetic transaction agents can repeatedly test the DNS, vulgar access paths to the Internet, the availability and performance of critical VLANS, the response time of major database queries, and many other functions. Overhead is minimal, but these metrics can subsist extremely valuable in decreasing finger-pointing and in helping the operations staff quickly segregate an incident and convince the answerable group to acquire responsibility without needing to disburse a lot of time arguing. If it's too difficult to create these metrics on your system, maybe your system needs to subsist redesigned. (Otherwise, it will subsist even more difficult to segregate a problem when you're in the middle of a meltdown and no one has slept for two days!)

    If the operations staff doesn't recognize a problem as being one of the commonly-occurring incidents, and if it can't subsist quickly isolated to a particular subsystem, then it's time to realize that a major crisis may subsist brewing. The staff should alert the crisis manager, notify vulgar concerned programmers and diagnostics experts that they may subsist called in soon, and start any special trail or measurement facilities that believe been designed for these troublesome situations.

    Triage plans and their associated metrics and baselines should subsist designed by the identical groups who are asked to respond when there's a meltdown: the operations staff, network designers, server and middleware staff, developers, security staff, system architects, and any external experts who might subsist called in.

    Instrumentation

    The tools for taking measurements are readily available from many vendors, and many tools are embedded in devices and systems that enterprises already own. For example, vulgar Cisco routers hold Cisco's IP-SLA measurement tools, and F5 load balancers hold extensive test tools to evaluate server performance. There are furthermore worldwide services, such as those from Gomez and Keynote, to test systems that provide services accessible from the public Web.

    Within the enterprise's systems, it's essential that test tools are familiar, that vulgar passwords are known, and that the tools are easily connected to preempt test points. It's a real time-waster when a test "spanning port" is difficult to configure or, worse, already has a cable plugged into it. (What happens if that cable is disconnected to allow attachment of a test device? What other thing will fail?) Vendors such as Apcon provide involved patching switches for testing; simpler multi-port taps are furthermore available.

    Be positive that applications log vulgar errors they encounter, and that the log messages hold accurate time stamps and transaction identification information. Tools such as Splunk can subsist used to scan logs quickly to find feasible indications of the understanding for system failure. poor handling of intermittent connection failure is a very common understanding of system failure (for example, the system may freeze with one discontinuance thinking that a connection is up while the other discontinuance thinks it is down); how will that situation subsist detected and reset?

    Dye tracing

    Because it's almost impossible to reproduce a modern multi-server, network-based production system in a test lab, and because it's usually the subtleties of the production environment that are causing a involved incident, system managers must anticipate that programmers will appear in their operations center. Those programmers will subsist trying to trail an individual transaction through a maze of materiel and network paths. (In effect, the network is the backplane of a huge multi-server computer system.) Presenting them with simple protocol traces isn't an efficient solution.

    Dye tracing, which can follow an individual transaction through multiple servers, is often worth the cost of installation and the additional overhead, because it gives programmers a chummy diagnostic environment. They can watch each program call, its timings, and its parameters, as if the entire process were contained within a sole server. Examples of these tools are CA's Introscope Transaction Tracer, HP's Transaction Analyzer, Quest Software's PerformaSure, IBM Tivoli's Composite Applications Manager and Symphoniq's TrueVue.

    Conclusion

    Simple metrics and procedures can detect and categorize ("triage") many performance incidents to assist in rapid service restoration, while involved incidents can subsist handled by specialized tools, such as dye-tracers, and pre-planned management strategies under the supervision of a trained crisis manager. In some involved cases, the assistance of external experts who are already chummy with the system is invaluable. These experts should assist design the triage metrics and the diagnostic tools -- then subsist placed on retainer to await problems that require their aid.



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