vir tualisation ICT
Clearly, network management in a VDI
environment is a key concern for CIOs as it means that business critical applications are increasingly accessed via the
virtual desktop. As a result, the IT department must plan and manage how BYOD converges with the virtualised enterprise
amount of insight into the behaviour of their users. To stay in control, it’s imperative that they are able to get a feel for how users’ applications are performing on different devices and operating systems, and how it is impacting on network resources.
Of course, the IT department needs to have the right tools in place to predict and manage the environment before it can achieve this. Only by utilising these tools to analyse the behaviour of users can they predict and manage the VDI environment, and strike the required balance between maximising network assets and ensuring that user performance is not compromised.
Some IT managers choose to use these tools to monitor overall performance, and some to ensure that specific applications run smoothly. An IT department may choose to introduce a Citrix VDI environment in order to minimise the strain that BYOD has on resources. It may then choose to use monitoring tools to check on overall impact of the deployment, or use them as a safeguard to ensure that its SAP applications for example, are still running effectively within this new environment.
It’s clear that the success of safeguarding end-user performance depends on a great deal of visibility into the existing network infrastructure. There are very few computing problems that match the frustration caused by the delay of basic desktop functions, or ‘transactions’, such as keystrokes. However, one of the benefits of being able to monitor each transaction is that it also helps to verify if contractual commitments have been met and to identify outliers, which can be important when looking at SLA compliance.
Conclusion
When all’s said and done, it’s important to remember that VDI does not operate in a vacuum. In the age of BYOD, it may at first appear to be an easy solution to implement in order to save both time and money, but the truth is that it can take a lot of work to make sure it is serving the IT department in the right way.
To do this, VDI solutions must be viewed in the context of the applications that run alongside it on the network, and not in isolation. Let’s not forget that the deployment of VDI is supposed to make the IT department’s life easier. Perhaps the best way of ensuring that this is the case is to ensure that the right tools are in place to monitor and control performance of applications and the network to ensure that the complexity is reduced.
November 2013 I
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