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By Tim Weber Business editor, BBC News website
Cloud computing has been an information technology buzzword for many years. Now
it is going mainstream.
Bryan Kinsella has a problem. As chief information officer of business services
provider Rentokil Initial he looks after a widely dispersed and mobile
workforce.
Email is a key management tool but as the company grew it found itself with 40
different email systems across 50 countries for 20,000 employees, with another
15,000 staff offline.
Setting up a new single email system with a global server infrastructure would
have meant a massive capital expenditure.
Instead, he settled on a "cloud" solution, rolling out Google's enterprise
email across the company. It's saving Rentokil about 70% in expenditure, he
says, with lower support costs on top of that.
The Cloud explained
But what is cloud computing? In the simplest of terms, it is IT-as-a-Service.
Instead of building your own IT infrastructure to host databases or software, a
third party hosts them in its large server farms. Your company has access to
its data and software over the internet (which in most IT diagrams is shown as
a cloud).
Cloud fans claim five key benefits:
complex infrastructure is cost-efficient and you pay only for what you actually
use.
software and database solutions, cloud computing allows you to skip the
hardware procurement and capital expenditure phase - it's perfect for
start-ups.
new features as they become available.
go large quickly because cloud systems are built to cope with sharp increases
in workload.
have a mobile workforce, your staff will have access to most of your systems on
the go.
In other words: information technology becomes a utility, consumed like
electricity, water, or even outsourced HR or payroll services, says Chuck
Hollis, chief technology officer at information management company EMC. This
year, he exhorts companies, "is the year to get your cloud strategy together."
Bear in mind, cloud computing is not new. Most of us are using the cloud
already, through services like Hotmail, Flickr, Blogger and Facebook. It's
business that has been slow in the take-up.
Using the cloud
For Bryan Kinsella, the cloud strategy is paying off at an enterprise level. So
far his team has moved close to 10,000 staff on to Google's email services;
another 10,000 will have migrated by the end of the year.
Google server stack For a cloud, it has an awful lot of cables
"We never went into this to get cost reduction," says Mr Kinsella. It was about
"unifying the business... to operate and collaborate on a global basis."
Now he is rolling out Google Sites to share documents across Rentokil and
create intranets for both the global company and its many divisions.
It's this easy scaling that makes cloud-computing attractive. Insurance giant
Aviva, for example, moved all its enterprise content management and business
intelligence tools online, using Microsoft's Sharepoint online service.
Logistics firm Pall-Ex can grow fast and cheaply by moving much of its IT to UK
hosting firm Outsourcery.
Universal Music is using the cloud computing services of e-commerce provider
Venda to roll out its online store model across Europe.
"It's so expensive to build a world-class e-commerce platform, no single
retailer can build it by themselves unless they are the size of Amazon," says
James Cronin, chief technology architect at Venda.
Competition boosts cloud computing
Cloud computing can be applied nearly anywhere: the small retailer that needs a
secure e-commerce website quickly and cheaply; the ferry operator that has huge
computing spikes in May and June while 90% of its IT system idle the rest of
the year; the fire service that needs extra computing power to predict the
movement of forest fires during the summer.
Google server replacement Leave IT worries to your cloud provider
Cloud services range from fulfilling single business functions, say calculating
payroll taxes, to outsourcing heavy-duty computing for complex 3-D modelling.
Many firms "have not moved significantly to cloud computing yet," acknowledges
Cassio Dreyfuss at technology consultancy Gartner. But he predicts that "more
dynamic" industries, "where business models change very fast, where competition
is very hard... will move more quickly."
Right now, the cloud computing market is worth almost $2.4bn, says Gartner and
predicts that by 2013 this will have grown to almost $8.1bn.
Get ready now and map your company's IT needs, says Mr Hollis. "If IT is your
company's differentiator you may want to keep it in-house." But most IT is just
another service that "can go the same way as other corporate functions like
finance, logistics and manufacturing".
Storm clouds
Cloud computing is not without problems.
For starters, to be cheap cloud computing tasks need to be standardised. While
traditional applications have many little-used features to cope with
specialised needs, customising a cloud service costs extra.
For firms on a tight budget this may result in a few standard network
solutions. However, it does not mean a standard look and feel. "I challenge you
to spot that our customers' websites run on the same platform," says James
Cronin at Venda. Plus most Software-as-a-Service (SaaS) providers roll-out
newly developed features to other customers as well.
Usability is another issue. Some people, firmly wedded to "their" software,
whether it's Lotus Notes or Microsoft Outlook, are reluctant to switch to
plainer online applications. Rentokil's Bryan Kinsella counters that his
migration team received few complaints.
Connectivity is another worry. The City of Los Angeles wants to move 34,000
employees to Google Apps, but there are complaints about speed and reliability
- problems that may be rooted more in the city's internal network than Google's
service.
But what if you go offline? Well, most SaaS providers offer resilient offline
solutions. Microsoft - a late-comer to the cloud computing party - likes to
point out that it offers proven offline applications like Microsoft Office that
integrate with its new suite of online applications.
In cloud we trust
Security concerns are a much bigger issue. Will your corporate and customers'
data be safe? What about data protection? Can you meet all legal compliance
requirements?
"There are enormous security [...] and auditing risks that have not been
addressed yet," says Gartner's Mr Dreyfuss.
Dave Girouard, Google Enterprise apps Google's Dave Girouard says cloud
computing has a good track record
"Cloud computing," warns a top expert for business security, "is the
concentration of corporate risk in one single place."
Not so, say the providers of cloud services. "We put together multiple points
of replication... multiple lines of defence... multiple levels of
sophistication... that a single company just could not afford," says
Jean-Philippe Courtois, the president of Microsoft International.
His words are echoed by all his competitors. Dave Girouard, the man in charge
of Google's enterprise solutions, says "trust" is the issue customers raise
most often when they explore whether cloud computing fits their business needs.
"There are now enough proof-points, enough track record for it to go
mainstream," he says. "Company data are much safer inside Google than in a
company's data centre."
Pushing Cloud 2.0
If Marc Benioff is not the high priest of cloud computing, then he's certainly
its televangelist.
Marc Benioff, chief executive Salesforce.com Marc Benioff predicts another IT
revolution
Eleven years ago he founded salesforce.com. Today his "enterprise cloud
computing company" is approaching annual revenues of $1.5bn.
Its key product, a cloud service for customer relationship management, is used
by organisations ranging from small charities to computer maker Dell.
For years Mr Benioff has been repeating his "no software" mantra, arguing that
the old IT and business models of companies like Microsoft, SAP and Oracle are
broken.
Cloud computing, he says, is a total revolution of how we use and pay for
software, and it is spreading fast.
His company now offers services like Force.com and Vmforce.com that provide
developers platforms to build customised cloud services themselves.
Once belittled by rivals, he now revels in the fact that they all compete to
prove their cloud computing credentials.
For Marc Benioff, though, one cloud is not enough.
These days he speaks about the transition to "Cloud 2.0". Just as he once
queried why enterprise software was not more like Amazon, he now asks why it is
not more like Facebook.
salesforce.com apps on mobile phones Enterprise computing is going mobile
Mr Benioff promises that new software like Salesforce's new Chatter will do
just that.
"We are going through a major shift in computing," he says, where enterprise
computing gets both more social (think collaboration) and mobile (think tablet
computers, netbooks and smartphones).
Rentokil may be a case in point. Instant messaging software like "Google Chat
has become a very powerful tool for us," says Mr Kinsella, while using Google's
Android phones has made the enterprise software mobile. His new intranet,
meanwhile, is getting a touch of YouTube: "We are using it carefully, but we
now send out video messages to all employees, and they have the ability to
comment."
Microsoft's direction is similar. It's new Office 2010 software, to be launched
next week, makes steps to integrate both "social connections" and online
services.
"People are working more and more from everywhere... home and workspace are
merging," says Per-Olof Schroeder at Microsoft's Office software division.
Helpful downturn
Cloud firms are upbeat.
"The growth of cloud computing is phenomenal," says Fabio Torlini of hosting
company Rackspace. "In the downturn all enterprises are asking 'what's safe to
put in the cloud, and how can I save in the cloud'."
And there are other opportunities for growth. As connectivity improves, cloud
computing can bring high-end IT services to developing countries.
Right now, says Google's Dave Girouard, cloud computing is just at the start of
its evolution.
"All business computing will be more web-enabled," predicts Mr Dreyfuss at
Gartner. "For some [companies] it will reach the point where it will be totally
web centric."