Nicholas Carr on 'The Big Switch' to cloud computing
Nicholas Carr touts reliability but fears vendor lock-in.
Computerworld - Cloud computing may be the answer for organizations looking to boost their server and storage utilization rates without increasing the workforce supporting those systems, says Nicholas Carr, author of The Big Switch: Rewiring the World, From Edison to Google (W.W. Norton, 2008). Carr told Thomas Hoffman that he thinks the cloud will enable companies to lower their capital equipment costs and reinvest IT money in other areas, such as new product development.
Why should Fortune 1,000 CIOs trust the reliability of the cloud? If you look overall at the records of Amazon.com and Salesforce.com, they're actually quite good. But they're not perfect, and I don't think they'll ever be perfect, any more than any company's internal systems are. But I think what we're going to see is that over time, the reliability of these cloud systems is going to steadily increase. And eventually, if not already, they're going to be more reliable than the average company's systems are.
We'll see different things move to the cloud in different stages, and one of the criteria will be, "How reliable do you need this system to be?"
For instance, I was speaking a few weeks ago to some federal government CIOs, including some from the intelligence community, and it's pretty clear that there are some sorts of systems that need to be basically bulletproof. And I think it's going to be a long time before companies and governments are going to trust those types of applications to the cloud. But from what we've seen already, whether it's Amazon's infrastructure or various software-as-a-service offerings, even now, the reliability is good enough for a lot of corporate applications.
Another top concern among IT execs is how to avoid getting locked into a particular vendor's cloud service. I think buyers should be worried about lock-in. If we're going to have the kind of interoperability and standardized data formats necessary to ensure fairly easy migration among vendors, it's going to have to be the buyers pushing the vendors to move in that direction. Unless the buyers make that a demand for doing business with a vendor, I fear that we'll see a lot of vendors -- even if they talk a good game about standardization -- actually pursue strategies to make it hard to get off their clouds, to quote Mick Jagger.
How concerned should CIOs be about the possibility of Microsoft, Google and other heavyweights coming to dominate the cloud? When we look ahead and try to figure out the ultimate structure of the cloud or the computing utility industry, there are a lot of open questions. But when we look at the infrastructure side, it certainly appears to be a very capital-intensive operation. So we're seeing companies like Google and Microsoft spending billions of dollars a year, and that leads me to believe that because of the capital expense of building these networks, there's going to be a relatively small number of suppliers who can afford to build them out.
So that in itself raises some red flags. But another question is, what about the services, the applications that ride on top of that infrastructure? Will that remain sort of a separate business with lots of providers competing? Or will the Googles of the world suck up those applications as well?
Will we see a small number of vendors holding power over both the infrastructure and the applications? I don't really know. Regulations will play some part in it -- and also the ability of a company like Google to innovate in a way that's attractive for businesses, which it really hasn't done much of yet.
How do CIOs make "the big switch" without decimating their IT staffs and placing their own jobs at risk? One of the advantages of the cloud is that it allows you to not only reduce your capital expenditures in IT but to reduce your IT staff. And if it didn't, it wouldn't be that attractive, because IT labor costs are such a big part of IT costs. So as CIOs look ahead, they should come to grips with the fact that this may mean that their empire may shrink.
On the positive side, as the head count shrinks, their visibility and importance to the business may increase as they move away from managing the machinery and the applications and the licenses to focusing more on the business logic [see related story, page 24]. But if you go into it thinking, "I can only do something that allows me to maintain my current staff or to expand my staff," you're probably going to run into roadblocks with the cloud pretty quickly.
Some companies that have outsourced their IT operations still retain staff in-house to work with outsourcers and users. Would you expect to see the same type of model playing out in the cloud? I think so. Cloud computing is a form of outsourcing, using outside suppliers. And I think it will tend to have that same effect on IT shops. There will be some kind of information systems broker who, similar to the people who manage outsourcing relationships, figures out how we distribute our systems and our requirements and applications among these cloud providers.
You still need somebody to make the connection between the business and the application, though in a radical scenario, that job may move outside the IT department and into the businesses themselves.
How should CIOs change the way they approach IT in light of the troubled economy? Clearly -- and this is something that CIOs have gotten used to this decade, for better or for worse -- cost is going to continue to be a big factor. I think the judicious use of the cloud can help in that [regard], because it does allow you to avoid capital investments, which can be very hard to make a case for now.
Running counter to that, companies tend to get very conservative in periods of economic tumult, and even experimenting with new models such as cloud computing may begin to be difficult. But compared to a few years ago, there are more options now for getting more IT capability at the same or a lower price. Companies shouldn't be afraid to explore those options and experiment with them.
Might recent investments in virtualization keep large companies from making a wholesale switchover to cloud computing, at least in the short term? I don't think big companies are going to make a wholesale switchover to the cloud, because I don't think the cloud is ready for all the things that companies do internally in IT.
But I think virtualizing your own IT infrastructure is going to make it easier in the long run to pull in more and more capabilities from the cloud, or begin to use the cloud as basically an extension of your own data center -- so that every time you get an upsurge in demand for a particular application, you're not faced with the need to go out and buy a lot of new servers. You can use the cloud as kind of an add-on and expand to it.
You were interviewed on The Colbert Report recently. What was that like? I watch the show a lot, so I kind of knew what I was getting into. But my wife was like, "Don't do it! Don't do it!"
The producer told me to make a few points, try to be serious and clear, and try to ignore [Stephen Colbert] because he's going to try to play off you and trip you up. And that was good advice. It was fun, actually.
You've said that Google has made us all "stupid." But some research suggests that the Internet may stimulate some neural activity. I think [it] can do both things. The study you're talking about showed that when we use the Internet, a lot of the areas of our brains are active, including decision-making parts that aren't very active when we read. But [I wonder about] the quality of thinking that's going on in your brain. [If] so many areas of your brain are activated when you're online, does that hinder the type of concentration and reflectiveness that occurs when you're sitting quietly reading?
Thomas Hoffman is a former Computerworld national correspondent. Contact him at firstname.lastname@example.org.
For the original version of this Q&A, with links, click here.
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