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Posts Tagged ‘network performance monitoring

Desktop and application virtualization offer a more efficient approach to PC management, offering reduced administrative, hardware and energy costs, along with stronger security. Virtual desktop infrastructure (VDI) can also improve productivity, by enabling users to access distributed applications remotely from any client device.

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The expanding virtual workforce, growing popularity of mobile devices, and ongoing IT belt-tightening have combined to make VDI one of the most critical IT services for organizations of all sizes. But, in order to realize the benefits of virtual desktops, you must be able to ensure the performance of the access network that connects remote clients to the virtual infrastructure. Most applications that are being virtualized were not designed for remote access in the first place. So when network performance   falters below acceptable thresholds, applications become sluggish, freeze and finally disconnect – leaving users aggravated and unproductive.

Unfortunately, many VDI deployments are hampered by frustrating and hard-to-identify network performance problems. SNMP-based network management tools can only provide information on the devices that a company manages directly, rendering them unhelpful with troubleshooting network performance issues along the VDI service path. Traditional “netflow analysis” solutions are costly, difficult to deploy and manage, and consume massive amounts of bandwidth, making them unsuitable for remote sites.

What is required for managing network performance for VDI deployments is the ability to assess, continuously monitor and remotely  troubleshoot network performance from a virtual or physical system to any other target – across LANs (wired or wireless…), WANs and even public networks. Application engineers must be able to:

  1. Pre-Assess the customer network to understand if the current network is ready (or not) for VDI deployment in order to set expectations and resolve any issues proactively.  The assessment needs to understand the specific operational requirements of the selected VDI vendor.
  1. While assessments are a key first step, they are only good for a given point in time and networks are very dynamic in nature.  Therefore to assure success, continuous monitoring of key network performance indicators (KPIs) that are critical to the successful delivery of VDI services is essential. These include total, consumed and available capacity, network utilization, latency, packet loss and jitter.   It’s vital that the monitoring be able to understand the network in totality (i.e., in the same way the VDI infrastructure will leverage the network…) and not affect production VDI network traffic.
  2. Compare real-time network performance with the KPI values that virtual desktop services need to function properly, in order to ensure overall Quality of Service.  When differences do appear, alert key operations staff to any SLA violations and enable intelligent diagnostics to understand the where and the why in order to reduce meantime to repair. AppNeta has the experience and expertise to know the exact performance thresholds needed for all major vendors to assure success with the VDI performance.

How can network engineers gain a real-time view into network performance between remote users and virtualized servers – and respond more quickly to their frustrated end users? AppNeta’s PathView Cloud technology offers instant value and immediate insight to identify whether the cause of poor performance resides along the network or within the VDI. By enabling the proactive monitoring of access networks against KPIs, PathView Cloud lets you troubleshoot and pinpoint the performance problems of virtualized applications at remote sites so you can ensure QoS for users.

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