While network complexity and bandwidth demands continue to increase, applications such as voice over Internet protocol (VoIP) increase performance requirements. Today’s network administrators need versatile monitoring and analysis tools to quickly troubleshoot and monitor security and compliance. Retrospective network analysis (RNA) tools let you go “back in time” to reconstruct failure or attack. Discover the benefits.
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As you implement a virtualized environment, knowing how to monitor and maintain them becomes yet another challenge. Monitoring network and application traffic in an environment containing one-to-many relationships between physical hardware devices and virtual application servers presents a number of concerns. Learn about the traffic flow in virtual environments, and the various visibility options and their ramifications.
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For many companies, a network analyzer with application analysis capabilities is the essential tool in the IT administrator’s toolbox. No other tool can provide you with the level of individual transaction detail that is often necessary for solving problems. Learn the concepts and technologies behind effectively managing application performance, so you can identify and correct issues before they affect your business.
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The sensitivity of voice over Internet protocol (VoIP) to delay and packet loss, compared with other network applications such as e-mail services, presents a big challenge. But if you have a basic understanding of VoIP traffic and of the quality metrics that VoIP monitoring tools can provide, you increase your ability to run your network smoothly. Learn about the statistics and metrics you need to maximize your VoIP use.
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As with most new technologies, voice over Internet protocol (VoIP) brings new challenges along with benefits. The main challenge is VoIP’s extreme sensitivity to delay and packet loss compared with other network applications. However, a basic understanding of VoIP traffic and of the quality metrics provided by VoIP monitoring tools will help you keep your VoIP network running smoothly.
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In general, the US Sarbanes-Oxley Act (SOX) requires publicly traded companies to be financially accountable. SOX compliance requires cooperation among many business units—particularly IT, as IT supports SOX compliance by securing and protecting financial data on the network. IT is also required to consistently document this effort. In fact, without IT support, a corporation simply cannot be SOX-compliant.
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Whether you’re monitoring networks for security threats, or capturing and decoding packets while troubleshooting, you need reliable ways to see the network traffic. Traffic levels on the given segment, coupled with the visibility level you require, will suggest the most economical solution. Of the three most common ways for analysis devices to capture network traffic, which is right for you?
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NetFlow and sFlow are traffic reporting mechanisms that manufacturers have embedded into enterprise-level switches and routers. Until recently, analysis vendors have viewed these technologies as a competitive threat rather than an opportunity. But now that NetFlow and sFlow support are appearing in commercial analysis tools, IT administrators can better leverage this free visibility lying latent in their switches and routers.
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