Telnet Network News

Telnet Network News - We'll keep you up to date with what's happening in the industry.

How can a Performance Management System Improve Your Business

We all have to manage our network, but why do you need a performance management system. If I were to ask, I think most network managers would answer I need the ability to prove that the network is not at fault.I need increased visibility into our infrastructure/devicesReporting how can I get the data I need to support my objectives and troubleshoot 20 years ago Information technology was viewed as a cost center, but today we are learning to change that view and find ways to increase profit eithe...
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New GigaStor Upgradeable: Small and Mighty

Still relying on legacy monitoring tools to manage recently upgraded links? Check out our expanded GigaStor Upgradeable line, which now provides more storage in a smaller 2U form factor. It’s the first field-upgradeable retrospective analysis appliance designed to provide affordable, robust gigabit and 10 Gb analysis. This scalable monitoring investment can be expanded from 2 TB to 16 TB in the field, saving time and providing greater monitoring flexibility in a single appliance. It comes with t...
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Big Data: What’s the Network Impact?

  According to Gartner® 42 percent of IT management has either already invested in big data technology or plan to do so in the next year. But given the overuse of the term by everyone from media pundits to IT vendors, will it really impact the network? The short answer is yes. Within the next two to four years it will drive every aspect of IT, from infrastructure design to network and application management. In this article, we define big data, assess its impact, and provide advice on how n...
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2013 Network Trends: Top Four Predictions

  The primary challenges of ensuring reliable cloud performance revolve around the lack of metrics for monitoring SLAs and performance. Understanding these issues is critical for developing successful monitoring strategies. Death of the PC is Greatly Exaggerated While everyone is focused on BYOD and the latest tablets as the largest generator of end-user traffic, PCs aren’t going anywhere. According to Deloitte, more than 80 percent of Internet traffic measured in bits will be driven by tra...
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Troubleshooting 10 Gb: Are You Storing Enough?

If you rely on long-term packet capture appliances like GigaStor™ for troubleshooting, it’s essential to consider upgrading the appliance’s storage capacity whenever network bandwidth is increased. This is an often over-looked issue that you’ll want to consider and budget for, before rolling out 10 Gb. The following graph illustrates how increases in network bandwidth and utilization impact the amount of time that you can capture and store. ConnectionPercent UtilizationStorageCapture Time1 Gb25%...
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Network Instruments Unveils 40 Gb Data Center Monitoring Platform

New Interface First to Capture and Validate Full-Duplex 40 Gb Performance Minneapolis, MN  Network Instruments, a worldwide leader in network and application performance monitoring, announced today the release of its new hardware and software interface for capturing and analyzing full-duplex 40 Gb data center performance.  The platform is the first full-duplex analysis interface for 40 Gb networks. Coupled with the GigaStor™ retrospective network analysis appliance, IT teams can store ...
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Network Instruments Introduces Observer 16

Translate Data into Action! Network Instruments is proud to announce the launch of Observer 16. Our advanced technology customizes, simplifies, and visualizes data with clarity and relevancy. Automated data mining filters provide the power to quickly transform metrics into actionable information for problem resolution – and more. With a whole new slew of capabilities, check out our five top new features below. Simplified. Customized. Relevant. Easy to retrieve and put to use, the new Observer 16...
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Virtual Desktops: Network Benefits and Challenges

Like most network teams, you're probably comfortable with virtualization after having migrated servers and storage over to the virtual world. But, if your organization is now considering implementing a virtual desktop infrastructure (VDI), don't worry, you're in good company While the number of firms using VDI is currently between 5-10 percentage, Gartner is forecasting that this technology will become mainstream in two years. Of particular note, a Gartner user survey conducted in 2011 found tha...
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OpenFlow: The Next Big Network Idea?

Although similar to NetFlow in name, that’s where the similarities end. OpenFlow is an open-source programmable protocol to implement the concept of software-defined networking.  Like cloud abstracts storage, and virtualization separates apps from servers, software-defined networking tries to decouple packet-routing intelligence from the communication infrastructure. As a recent Network World article explained, “OpenFlow [is] a programmable network protocol designed to manage and direct tra...
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Managing Your Application Performance

Are you are planning to implement new IT projects such as data center consolidation, server virtualization, cloud computing, or perhaps adding new applications on the network?  Do you understand exactly how these upgrades will affect the existing applications and the user experience?  What strategy are you going to use to ensure application performance is not compromised?  It is imperative that you understand how each of the components can affect overall application performance. A...
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Why so much Hype about Application Performance Management

End to End transaction is the new gold standard out there, replacing legacy “infrastructure/resource” monitoring.   The application monitoring market is currently growing at about 15% vs. the overall IT market at 3.7%.  So what is driving all this growth!!! Virtualization – how do you gain visibility into how virtualized applications are performingApplication Acceleration – maximizing your ROI by identifying the best site for application acceleration and maintain visibility after deplo...
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What is IT Thinking About Today

Cloud and Bandwidth Demands Challenge IT Teams Network Instruments 2012 Annual State of the Network Global Study Offers IT Management Insights Network Instruments, just released its Fifth Annual State of the Network Global Study today. The results suggest a potential management storm as IT teams face significant monitoring challenges from multiple forms of cloud computing, as well as substantially increased bandwidth demands.  Study Highlights Moving apps to the cloud: 60% anticipate half o...
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Measuring IPTV Quality

If you’re implementing IPTV, it’s important to know what metrics to monitor to ensure the transmission of high quality video. Managing performance entails more than tracking response time. Let’s look at the key metrics for managing IPTV in the following table: Performance AreaMetricDescriptionIPTV Service MetricsQoEVideo quality of experience measured via Media Delivery Index (MDI), most often displayed as two numbers separated by a colon: delay factor (DF) and the media loss rate (MLR)Packet lo...
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5 IPTV Monitoring Best Practices

Chances are you’ve seen Internet Protocol TV (IPTV) but didn’t know it. Different types of IPTV are popping up in our daily lives ranging from Video-On-Demand to being greeted by pre-recorded video messages at the gas pump or ATM. And many businesses are adopting IPTV to broadcast live or on-demand video content to employees, partners, customers, and investors. But what does this mean for the network team? In this article we’ll outline IPTV basics and focus on primary management challenges and b...
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Expanding Visibility with NBAR and IP SLA

IP SLA and NBAR are important monitoring technologies that should be utilized for cost-effectively improving visibility and understanding of network and application performance. What are NBAR and IP SLA Technologies? Cisco offers enhanced monitoring functionality on select routers via NBAR and IP SLA technologies that examine, analyze and classify network traffic. Each operates independently and enables more effective management and improved performance, especially where the ability to install p...
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Are Agents Necessary for Accurate Network Monitoring?

How does an IT team ensure accurate and complete visibility? Obtaining comprehensive visibility into network performance requires not only looking at the network and application, but digging into infrastructure health and performance. Solutions providing this view typically utilize two different approaches: agent or agentless.Selecting the best method for your team requires understanding the options and selecting the solution that integrates well with your existing resources. In this article, we...
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