Jun 22, 2012
Availability, cost balance key data centre considerationsBack
SECURITY|Africa|Business Connexion Cloud Infrastructure Services GM|COMMUNICATION TECHNOLOGY|Frost & Sullivan Africa Information|Renewable Energy|Renewable-Energy|Security|Systems|Africa|South Africa|Security|Electricity Costs|Energy|Energy Efficiencies|Energy Intensity|Green Information Technology|Maintenance|Manufacturing|Product|Renewable-energy Sources|Security|Service|Services|Software-as-a-service And Managed Servers|Systems|Systems Integrator|Chantel Lindeman|Infrastructure|Johan Van Huyssteen|Power|Security|Green Information Technology|Virtual Server
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“Mission-critical workloads demand high availability, which comes at a substantial cost in terms of energy. Green information technology (IT) initiatives grapple with power usage effec- tiveness and centre infrastructure efficiencies to increase the energy efficiencies throughout the complete life-cycle of a data centre.”
However, consideration for reducing energy intensity, including the use of free cooling and renewable-energy sources, must be balanced against the availability required by a company.
A company can store critical data in a Tier III or Tier IV data centre, which has full redundancy and failover capabilities, while nonessential, or less time-sensitive, data can be stored at a Tier II or Tier III centre, which will reduce costs for the company and improve the efficiency of data centre use, says systems integrator Business Connexion Cloud Infrastructure Services GM Johan van Huyssteen.
“Virtualisation of services, including software-as-a-service and managed servers, as well as colocating servers with other companies, can dramatically reduce the costs to companies. South Africa has enough data centre capacity to last until 2020, owing to good investments in these centres, but many are costly to maintain and underutilised, presenting opportunities for companies to locate servers at single sites to reduce costs,” he says.
Further, Frost & Sullivan market research on South African data centres, published in Novem- ber, showed that there had been continuous consolidation of these centres by South African companies, while there was also a growing dependence on third-party services for non-business-critical functions. There are also a number of companies that colocate their centres at a single site to share electricity and maintenance costs.
Electricity costs to cool down data centres are between 40% and 60% of total operating costs, driving the uptake of virtualised data centre servers, especially among small and medium-size enterprises.
“Cloud storage, virtual server and desktop, remote backup and hosted exchange are promising shared cloud service segments as traditional product lines are maturing,” he notes.
“Virtualisation solutions are a key technology trend as they offer significant efficiencies and cost savings to companies of all sizes,” he adds.
Data centre revenues have grown and were pre- dicted to be sustained at 9.6% a year, but revenues from core data centre services, compared with overall revenues, will decline by 2016 as hosted, managed and virtualised services become more commoditised.
Virtual desktop functions and software-as-a-service are predicted to grow by 30% and 23% a year respectively by 2016. The three key drivers for hosted, managed or virtualised services are cost-reduction pressures, application mobility and ease of implementation, notes Van Huyssteen.
For manufacturing, basic hosting is effective for large data collection but it requires good connectivity so that the plant is able to access data, and a guarantee of security is important, he says.
“Reliability is a key factor for owning a data centre, especially for critical process data. However, service providers can still be regulated according to compliance criteria for security.”
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