The Virtualization Practice

Author Archive for Andrew Wood

Andrew Wood
Andrew WoodAndrew is a Director of Gilwood CS Ltd, based in the North East of England, which specialises in delivering and optimising server and application virtualisation solutions. With 12 years of experience in developing architectures that deliver server based computing implementations from small-medium size business to global enterprise solutions, his role involves examining emerging technology trends, vendor strategies, development and integration issues, and management best practices.

It has been a while since we last updated our Presentation Virtualization Solutions whitepaper. Has nothing happened in the market in 2011? On the contrary, there was a good deal going on for Presentation Virtualization in a year that saw a new benchmark setting XenApp release from Citrix, Apple remove terminal services functionality, RES Software launch their reverse seamless technology and Ericom their HTML5 client.

Of all the vendors in the hosted desktop space, Citrix has been delivering desktop virtualisation solutions the longest. As such, perhaps they are the most aware that an enterprise desktop strategy isn’t about delivering a single solution. A solution needs to be flexible enough to present a variety of services to a range of devices. This isn’t just about having different client support, but about delivering applications and data either to different environments: secure and insecure, managed and unmanaged, fat and thin.

Our very own Texiwill hosts a weekly Virtualization Security Round Table podcast. This round table provides an open forum to discuss all things related to Virtualization, Virtual Environment and cloud computing security. We’ve questioned before the benefits of a virtual desktop infrastructure with respect to security. Is VDI secure? Is VDI inherently more secure than “traditional desktops”? The article Virtual Desktop Security? Are They Secure? considered the VDI vendor claims that there are several big virtual desktop security

Thames Water have signed up to give a sizable part of its desktop infrastructure management to services built on Desktone’s VDI stack hosted and maintained by Molten Technologies. Thames Water is the UK’s largest water and sewerage company, serving one of the world’s largest conurbations. Is this a significant landmark for Desktop As-A-Service (DaaS) provision? The utility sector is very focused on costs, tends to be studiously following the curve rather than forging fast into uncharted waters. DaaS, for some, is still interesting concept, but has the perception of risk.

What this also means is that for software companies focused on delivering applications and data to users, their solutions cannot be solely focused on virtualisation and the cloud: cannot be focused purely on thin and mobile. At the same time, IT departments need to be more business aware, because the business is increasingly IT aware. At the Synergy Barcelona 2011 event last week Citrix positioned themselves to deliver on just that.

In an effort to relieve the discomfort for customers and partners VMware have introduced a Rapid Desktop Program. This program looks to validate View Proof of Concept appliances to ensure that they meet criteria for performance and reliability. By removing the complexity of the “I”, an organisation can focus better on the assessment of virtual desktops and in turn deliver faster .

Citrix have released XenClient v2.0, their second generation bare-metal client hypervisor. XenClient allows centrally managed virtual desktops to run directly on corporate laptops, even when they are disconnected from the network. This version is intended to add ease-of-use and scalability features, and introduce a wider hardware compatibility list. In addition Citrix also launched the new XenClient XT, a standalone product designed to give advanced levels of security, isolation and performance for organisations with very specific and unique client computing requirements.

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