vol 6, issue 9

Data centres - the next big challenges

13 September 2011
By James Hayes - Editor, Technology Features
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Data centre

National security and economic well-being depend on data centres; but what do we know about them?

Tony Day

Tony Day, global director data centre projects, APC by Schneider Electric

Derek Allen

Derek Allen, head of data centre development, Cable & Wireless Worldwide

Russell Poole

Russell Poole, UK managing director, Equinix

Andrew Gilbert

Andrew Gilbert, managing director, Node4

Data centres are now integral to our economies and to national security, but just how ready for full-on professionalism is the data-centres sector?

'How many data centres does government currently own itself? How many data centres are actually owned by system integrators and service providers to government?'

These questions were posed to the UK Cabinet Office back in May 2011 by the Public Administration Select Committee investigating planned public-sector data-centre consolidation in advance of the formulation of plans for the controversial G-Cloud initiative, part of a general inquiry into 'The effective use of IT and good governance'. The Cabinet Office replied that a survey commissioned by the CIO Council during June 2010 counted 220 data centres across central government. The Council brings together CIOs from across the public sector to address IT issues, and improve public service delivery. It adds: 'Outside of Central Government, the police have at least 88 data centres, while the estimate for local government and the wider public sector is in excess of 600 data centres.' However, who actually owns each of these facilities is as yet unclear. 'Information is not currently held which distinguishes ownership for these data centres. Confirmation of ownership is planned for early stages of the data-centre consolidation initiative.'

Such admissions are revealing for anyone seeking to understand more about the dynamics driving expansion in the data-centres sector, and for a range of reasons. The rate at which the world has come to rely on data centres has outpaced general understanding of their role for many organisations that rely on them.

Greening of data centres

Data centres are rallying points of the green ICT movement – central to establishing best practice for the nation's carbon management. Government and business are realising that a good deal of economic stability, not to mention critical national infrastructure, depends on privately-owned data centre facilities, and realisation has highlighted knowledge gaps about national data-centre 'estates'.

The need to control heat dissipation, cooling and ventilation inside data centres, for instance, has produced some of the most innovative methods for internal environmental controls to be found in any industry. Last May's Data Centres Europe conference in Nice, for instance, showcased a good deal of leading-edge research and development work from vendors and academics addressing this problem.

Yet despite all this activity – the pioneering R&D, and society's dependency – there are as yet no regulatory bodies or trade associations directly governing data centre operations, and nobody knows for sure how many people are employed in this increasingly important profession. Until recently there has been little consensus over the baseline skills and competences data centre staff require to develop professionally, and no formal accreditation for data centre managers, apart from the standard security clearances. Change initiatives, such as the programme to establish a standard data centre professionalism model by the Data Centre Council of the ICT trade association Intellect UK in partnership with the Institution of Engineering and Technology (IET), are taking a lead toward addressing this situation (see box-out, 'Toward Professional Registration for data centre expertise').The headcount question may seem academic: does it really matter if the number of techies working in data centres is unknown, so long as there seems to be enough of them to keep systems going?

It's hard, though, to think of another sector of such importance where so little is known about the profession responsible for running things.

There are reasons for this. In respect to in-house enterprise data-centre functions, it's often hard to ascertain where traditional IT staff roles end and data-centre roles start; in many cases there will be much overlap. In the independent data-centre realm the picture is perhaps more clear-cut, although according to Sid Barnes, executive director at recruiter Computer People, data centre specialists now represent something of an 'elite corps' within the IT general practice.

'Data centre engineers typically have a broader range of skills than conventional IT professionals,' Barnes says. 'They can do server and storage management, security software and firewalls, configure routers, administer management applications, and so on. They might also know about data-centre architecture and design, power management, and have experience of overseeing mergers and acquisitions.'

When recruiting data-centre managers, Barnes adds, experience is the key prerequisite – plus personal security clearance that comes from working for an employer with List X accreditation. As a result of their esteemed status, data-centre staff can typically command 10-15 per cent premium on average IT salary scales, with salaries starting at £44k going up to £100k+ for seasoned individuals.

Mapping the data centre universe

New builds, and expansion of existing facilities, is in part ensuring that demand remains high. No independently-audited register of UK colocation data centres exists (although website Data Centre Map suggests there are at least 144).Again, because data centres vary so much in size and capacity, arriving at a headcount figure can be only an'educated estimate.

'We guess that there are around 10,000 people employed in approximately 250 commercial data centres, (colocation, hosting, managed services, wholesale),' says Alex Rabbetts, managing director of data centre design and build consultancy Migration Solutions. His figure is drawn from assumptive calculations based on a proportion of the known number of UK data centres (250), factored against the number of registered UK business, and the assumption that at least 50 per cent of these will have some data centre operations supporting corporate applications. 'It's a bit of a finger in the air figure,' Rabbetts acknowledges, 'but it is a figure.'

Ten-thousand UK data-centre professionals sounds on the high side, but not wildly improbable when compared against another metric: attendance figures for industry events like Data Centre World, which for 2011 claimed 2,541 visitors. That somewhere around 25 per cent of a given profession should attend a trade show is another reasonable assumption; Infosecurity Europe 2011 had 10,482 visitors, out of 1.5 million people employed in UK IT, as reckoned by Sector Skills Council E-Skills UK. However, in any assessment of data-centre employment it is important to remember that it includes not just IT specialists, but engineers responsible for CRAC/CRAH (Computer Room Air Conditioners/Computer Room Air Handlers) equipment, cabling and power engineers, and (at standalone premises) facilities management colleagues.

Now in addition to everything else, the data centres sector provides employment for some 10,000 people, and provide livelihoods for millions more. So what are the driving issues that this massive responsibility present to the data centres profession? E&T put this question to a quartet of data centre industry insiders: their contrasting views are featured in the box below. *

Further information

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Viewpoints: The voices that matter

Tony Day, global director data centre projects, APC by Schneider Electric

'It's doubtful whether governments have the necessary experience or expertise to draft appropriate data-centre legislation; in the UK they are guilty of more operational and security data centre breaches than any commercial organisation I can think of. The commercial sector, on the other hand, has far more experience and knowledge with more than 50 years of success designing, building and operating data centres.

Should data-centre owner/operators be doing more to bring about self-regulatory industry practices? Absolutely, yes. The industry itself should be fully engaged in the development and implementation of regulatory practices for data centres; it has the knowledge and experience to ensure that these are both meaningful and practical.

The data-centre industry is suffering from skills shortages and the situation will become exacerbated as older and more experienced data-centre professionals reach retirement in the coming years. The root problem is that there is no structured system in place to educate people for today's market requirements.

Along with my peers, I have been pressing for some form of global professional accreditation, preferably in the form of a post-graduate specialisation administered and authenticated by the university system. Such an accreditation needs to be independent of existing vendors and commercial organisations. In addition we need technician- and graduate-level education to provide those individuals necessary not only for data centre construction but also the ongoing support and maintenance of these facilities.

If you want to run an efficient facility, it will require the involvement of every discipline – electrical, mechanical and IT. However, it also requires that these traditional silos have a full appreciation of the problems which need to be solved by various stakeholders. This means that, in addition to their own specialisation, engineers will have a recognised foundation course in everything involved in modern data centre design and operation. We need a clear and recognised path to becoming a fully-fledged data centre professional.'

Russell Poole, UK managing director, Equinix

'I don't think greater data centre regulation is inevitable. The data-centre industry provides infrastructure and hosting to those services and organisations. We are one step removed from the provision of the services that hackers are targeting. Our business is about physical infrastructure – not operating social networks or search services. As such, it's an issue that the service companies themselves and the government should address directly.

The biggest external issue that the data-centre industry needs to address is the UK Energy Efficiency Scheme. In October 2010 the government announced changes to the scheme as part of the spending review, most notably the removal of the rebate. This makes the scheme a carbon levy with revenue generated being retained by the government. There are more effective and less costly ways to achieve the government's policy objectives.'

Andrew Gilbert, managing director, Node4

'Two key issues that I see are in relation to power management and security provisioning. In terms of power, there is a shift in users' requirements, wanting more power within a smaller space using high density racks.

With regard to security, as the world adopts more to cloud-based solutions and how they are delivered, data centres will see increased security requirements, allied to demands to validate the service from a chosen provider.

Businesses are increasingly outsourcing their data centre requirements, rather than making their own investment. Building and operating a data centre facility incurs large costs and investment to ensure you have a reliable and resilient facility.

This will be further compounded by cloud based services. Recent headline data-security hacks have increased customers' awareness and prompted them to ensure that they qualify their chosen data centre. They hold critical applications: users must be confident that they are secure, and that they are resilient...

Should data centre owner/operators be doing more to bring about self-regulatory industry practices? Industry standards are the end goal that industries typically look to achieve, but at the same time every data centre has different end-user requirements.

In the future a standard will be developed and adopted, which will require a number of different vendors to get together to agree – always a difficult process, because the larger suppliers want the standards to fit what they already deliver instead of what is best for the industry.

Some forms of accreditation are inevitable, but the varying nature of the many different practices already in place could mean that it could be a lengthy timescale. However, there are already some cross-sector ISO standards that are applicable to many different industries, including data centres.

For instance, Node4 is proud of its ISO/IE27001 accreditation, a recognised standard for information security. ISO standards will remain important until [data centre] industry specific standards are introduced.'

Derek Allen, head of data centre development, Cable & Wireless Worldwide

'More attention should be paid to concentration risks: are organisations aware of how much dependency they may have on any one specific device, be that a server, network, or storage device, or a single location? Is the loss of this resource properly assessed, or could it cause any operational issues or significant financial pain? Stringent assessments and continuity plans need to be in place...

Standards for data-centre qualifications would help individual IT departments make more informed decisions about hiring or selecting suppliers. It would also make these decisions more straightforward. Most data-centre professionals come from varied backgrounds: their skills and experience depend on background and exposure to issues and problems they have solved through their career – but these may not always be realised. After all, the goal across the industry is to design and operate energy efficient sites that are secure, reliable and cost effective and that need appropriate, accredited skills.'

Traffic growth still key to projecting data-centre expansion

BroadGroup Consulting's latest 'Data Centres Europe Report' analyses the issues that have, and will, affect western Europe data centre demand and supply. Demand is represented as something of a 'see-saw' with factors both driving and reducing demand. The projected picture is that data centre traffic – the primary driver for growth – is increasing exponentially year-on year, from 2.714Gbps in 2009 – a 53 per cent increase on 2008 – to 4,415Gbps in 2010. The broader question for the data centre industry, in terms of planning for this data traffic growth, is whether this demand will be managed in-house, or outsourced to third-party data-centre operators.

'There are at least four evident drivers for outsourcing,' explains BroadGroup Consulting managing director Steve Wallage. 'There's the traditional reason for outsourcing – getting rid of a problem. Then consider the fact that managing in-house data centres is becoming more difficult due to various environmental legislations. Third, owning in-house data centres becomes more dangerous due to the risk of environmental (rather than technical) obsolescence – legacy environmental control systems getting too old to keep up with the emerging requirement, but too costly to replace.' Then, Wallage says, there is the fact that third-party data centres have the skills and economies of scale to manage environmental factors more successfully: 'Running data centres is their core business. They are able to bring a broader scope of expertise and experience to bear in keeping pace with emerging demands'. Although the study reveals that the majority of UK data centres remain user-owned, it shows also that growth is moving toward the third-party market.

E&T is media partner for DataCentre Convergence 2011, a practical one-day forum that will provide understanding of the key roadblocks to convergence – and how to overcome them – that is taking place on 4 October at America Square Conference Centre, London EC3N 2LB. Register for this key event at www.datacentreconvergence.com.

Toward Professional Registration for data centre expertise

Data centres are the developing backbone of the global economy. All sectors from ICT to retail, from banking to professional services – are dependent on data centres to keep their businesses running. Yet despite of the crucial role of the data centre and their underpinning of the economy, there has been a lack of consensus within the industry over the baseline skills and competences that are required of data centre staff for their professional development. Among other things, this has presented employers with difficulties when recruiting new staff and an unappealing lack of a clear career path for both those considering entering the industry and the many employed by the industry.

Intellect (the UK trade association for the ICT industry) and the Institution of Engineering and Technology (IET) report that they are working together to address these issues. In particular, the joint intention is to provide a clear and coherent structure within the data centre industry where skills, career pathways and standards are benchmarked against nationally recognised frameworks that will contribute towards data centre staff obtaining Professional Registration and individual competence recognition. This will provide education providers with a structure relevant to the needs of this critical industry, and data centre operators a framework for continuing professional development.

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