I agree. Studies have been done to show that virtualization and cloud computing actually help to save resources. Most of the machines suited for the task have energy-efficient components that are meant to last longer and consume less resources over time.
When I hear the phrase 'cloud computing', I just cannot help thinking about the following issues:
- Is my valuable data safe out there so that I don't need to keep a locak backup?
- Will my access be reliable and fast enough 24/7 or there will be unavoidable and annoying interruptions?
- Who else will access my valuable data? How easy is it to get hold of the commercially sensitive documents I will be storing on the could?
- If something goes wrong, who is legally liable and to what extent? Can all my damages be compensated for somehow?
I am sure many people have similar worries to the ones I have listed above. Cloud computing is a great idea in terms of reducing CO2 footprint and improving storage and processing efficiency. However, I believe that such technologies need time to get more mature and to gain public confidence before they can achieve a widespread adoption.
Not sure that I agree to your opinion, Prabhakar. The users of cloud computing would not need to consume as much power from storing and processing data on their own computers. The computer devices can also be smaller and more efficient. This would out-weigh the power consumption of servers.
@pjoygordon, I find your assertion a bit hard to interpret. Computing done on a customers machines on a customers site does not need to have the wasteful updates of hardware every few months, probably consumes less power, and probably is both more reliable and more secure.
One option that I have seen overlooked for cooling any server system is the use of local outdoor ambient air, which in most parts of the world is cool enough to remove an adequate amount of heat from a server installation. In many parts of the world the waste heat from a server would be a welcome assist for building comfort heating, at least much of the year.
My other concern is about this huge quantity of data floating around in the cloud. IT may be adequately secure, but how big of a power failure will it take to lose a million dollars worth of data? I am not speaking about a utilities failure, where the UPS takes over and things are OK, I mean an data center power distribution panel, downstream of the UPS, feeding an array of servers. The soft spot well inside the armor. The glitch sensitive belly that nobody wants to admit even exists. WE all know that the economics of scale mandate the single UPS scenario, but we may not choose to think about the distribution area between that UPS and all of those servers. But that segment is subject to damage and failure, and probably not nearly as well designed as it should be. Also, not as rubust or reliable.
This is an important debate, given the burgeoning Cloud Computing trend. Let's use a Life Cycle Analysis perspective, which includes a wider scope than CO2 emissions from powering and cooling data centers alone. Barb Jorgensen mentioned the reduced amount of hardware; this is key. When customer-premise products are fewer and smaller owing to Cloud Computing, the overall number and weight of hardware decreases -- thus requiring less extraction of raw materials, manufacturing, scrap, packaging, transportation, and end-of-life transportation and treatment (whether waste or recycling--still a significant impact). Data centers have it in their best interest to use as few servers as possible and in the most efficient ways -- 80%+ utilization. Whereas customer-premise hardware may be used a fraction of this--therefore in aggregate requiring a lot more hardware across customers. Check out a webinar on this topic: http://www.instantpresenter.com/WebConference/RecordingDefault.aspx?c_psrid=E950D8888448
Cloud computing means all those data centers and network infrastructure connecting those millions of users to these data centers , has to be on 24x7.
In a localised IT environment such was not the case. The servers could go offline on weekends, PCs & Printers shut down after office hours, Laptops would be on standby and so on.
The shift to cloud apparent;y saves on local IT infrastruture no doubt but the instrastructure the cloud relies on has to be much more robust and always on line. That increase the energy consumption many fold and that is the real problem we have to face as the clouds get bigger and bigger.
Another aspect is of user data - most of it will still remain on the cloud even after it has served its purpose and can safely be deleted but the owner of data will be lazy to do the necessary housekeeping . And that will make the cloud dirty - full of a lot of garbage data.
I am more concerened about secuirty aspect too. What is security of data? Also, for local data when I erase it, it is gone for ever. But once it is on cloud, it will always be available in some backup media.
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Join EBN contributor Jennifer Baljko on Thursday August 23, 2012, at 11:00 a.m. EST for a live chat on how electronic manufacturers in Thailand have shored up their supply chain to reduce the impact of future natural disasters.
Peter Drucker famously said "Trying to predict the future is like trying to drive down a country road at night with no lights while looking out the back window." Yet in the razor's-edge world of electronics—with a lean supply chain and just-in-time demands—the need to know the future is vital.
While no one really can accurately predict the future, we can take guidance from another Drucker saying which is the best way to predict the future is to create it.
You've heard the saying "the No. 1 supply chain risk is your people." That hasn't always been the case. But today's complex global supply chain requires a new type of multitalented employee. It's one who understands, finance, marketing, economics, is savvy with technology, graceful with relationships and can think analytically.
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