5-15%
of a server’s capacity is utilised
to service one application
3.35
tonnes of CO2 emissions are
saved each year for every
server removed
the average energy
25%
consumption saved through
effective use of power
management tools
80%
of PC users disable their
individual power conservation
settings within 90 days
upper management by deploying free and commercial tools to the battle against climate change and a generally more practical
to better manage power consumption across PCs to save approach to energy consumption in business, and the promise of
expenditure on electricity bills. Leaving a PC running idle overnight free tools from the government and built-in features in commercial
is an unnecessary waste of energy and, multiplied by a majority wares should ease the overall adoption process.
of employees who all share the same bad habit, can seriously
push up a company’s overall energy bill. And, although many Software as a Service
PCs contain power conservation settings, users typically override
them. According to Lawrence Berkeley National Laboratory in the In an effort to reduce carbon footprint and slash energy expenditure,
US, some 80 per cent of PC users disable their individual power many companies opt for the viability, reliability, and sustainability of
conservation settings within 90 days. the green Software-as-a Service (SaaS) model. Many consider
traditional, on-premise software to be fundamentally in conflict with
By implementing free energy-saving tools, significant energy the green movement due to the slow pace of innovation and reliance
cost savings have already been made by leading companies. on multiple, redundant, outdated, and energy-thirsty hardware.
Furthermore, the concept of power management is rapidly
becoming a standard requirement as opposed to a cost-cutting Moving away from on-premise software to innovative SaaS
indulgence. Thankfully, this shift is gaining more and more support solutions is a popular trend for organisations looking to cut costs
from governing bodies. For example, the European Commission and go green. A well-planned SaaS deployment reaps immediate
Directive 2005/32/EC on the eco-design of Energy-using Products financial returns and cost savings and gives a business vastly
(EuP), such as electrical and electronic devices or heating improved green credentials.
equipment, aims to encourage manufacturers to design products
with environmental protection in mind, to extend throughout their Because of the distance between client and application in the SaaS
entire life cycle. In order to accelerate this process, companies are software environment, customer service level agreements demand
offered incentives to re-evaluate their production processes with extremely fast application delivery. Consequently, SaaS engineers
a greener goal in mind. are required to write code that is lean and elegantly simple, limiting
the number of energy-wasting processor calls. In contrast, within
Thanks to available software downloads, network administrators the traditional, on-premise software environment, delivery speed
are now able to centrally control power management settings via is not a requirement and often viewed as inconsequential. As a
GPOs, enabling features that let IT staff monitor power on client result, on-premise code is heavy and complex, requiring multiple,
machines and then activate system standby, which, basically, puts inefficient and power-consuming processor calls.
the entire computer to sleep when not in use.
By definition, the SaaS software development model requires
The leading IT corporation Microsoft took the initiative to build continual innovation that meets the real-time needs of customers.
power management capabilities into its Vista operating system, In contrast, traditional, on-premise software is built according
and now claims that the added capabilities could help enterprising to plan-driven development releases, which are, in general,
IT managers save between a10 and a20 per desktop by shutting cumbersome and inefficient. The agile engineering approach
down inactive machines. used to develop SaaS software dramatically compresses
development time and expedites the creation of energy-saving
Power management systems are becoming a crucial contribution innovation.
ecoexecutive | 24
LEAD_spring clean.indd 24 18/4/08 15:28:08
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