The Pros and Cons of Cloud Computing Transaction Systems

Cloud Computing continues to mystify andwho in the past had to choose whether they
challenge even the greatest of technically savvyoffered managed services or just rack space and
people. Often times when I discuss Cloudpower. Now the hosting provider can "spin up"
Computing with my clients they say "What is astandard configurations much faster and more
cloud and why would I want to connect to one?"cost effectively. The good ones have already
If you read Wikipedia, I thoroughly enjoyed itscreated well scripted methodology and procedures
attempt to explain "Cloud Computing": "The Cloudto creating virtualized modular servers, which now
Computing Manifesto is a manifesto containing acan be hosted in "The Cloud". This has created
"public declaration of principles and intentions" formore vendors to offer this as a service.
cloud computing providers and vendors.""The Cloud" therefore simplifies the access to the
Although vendors love the term "Cloudhosting centers. This represents the connectivity
Computing" the term itself actually gives us athat connects back to employees and potential
way to easily explain to smaller and medium sizecustomers. This can be the Internet, private line
companies that you no longer have to do(something called MPLS) or site to site Virtual
everything yourself. Some larger companies stillPrivate Networks (also known as VPN). This was
believe they can do it better internally thanborn from the traditional private networks used
outsourcing to "The Cloud." However, biggerinternally by private organizations and now
corporations will be forced to look at this as anextends this connectivity to a company's
option to reduce costs.preferred hosted environment. This is now
There are three main events that have occurredrepresented as a cloud or the "virtual cloud"
over the last two years that have created abecause it no longer matters where your user is
type of "Perfect Storm" to causing the explosionconnected. This connection however needs to be
of "Cloud Computing":highly available depending on your business needs.
1) The Economy - which of course has affectedMoving an application to the cloud can be a
almost all Information Technology departments.complex decision which may have significant
Some of the larger Fortune 500 companies havepositive (or negative) impact on your organization.
already downsized and lost some of theirMany providers will list the pros and cons and
employees with higher salaries and tenure, as awork with your IT resources to help make sure
result they also lost Subject Matter Expertisethat your internal infrastructure can either
(SMEs) on their core revenue generatingconsider or even support the change. While this is
applications and systems. This has forced ITa technology implementation, it is more of a
Managers responsible for availability of thosebusiness decision about what best fits your
systems, to survive by leveraging currentorganization today and will in the future.
employees, making them work longer and harderBenefits (Pro's)
hours to keep the proverbial "lights on". To add toThere can be many benefits to using "The Cloud"
this problem of retaining SMEs, many businessesbased upon your organizational needs:
are very cautious about re-hiring and therefore- If you are Sharing Large Amounts of Data -
have opted to take advantage of the mass ofbetween several offices, having the data on a
people currently looking for work. Many of thesevirtual server might be beneficial.
businesses are reaping the benefits of lower costs- Web-based applications that can be used
by accepting lower IT contractor rates.seamlessly by people traveling without having to
Contractor rates have dropped anywhere fromconnect back to the office over a virtual private
20% to 30% over the last three years, as thenetwork (VPN) can save a lot of time and
unemployed accept lower salaries and rates. Thisfrustration.
situation has worsened because the unemployed- Reduced costs - often "The Cloud" can save
are promised work on three to six monthsyou a lot of money, but in order to compare
contracts with the promise to be hired. Manycosts you have to be able to understand your
companies are using this to their advantage byown cost per user. The hosting provider will be
promising to hire with no intention of doing so.able to provide you with a cost per user and you
This is called "Try and Buy" in many staffingwill need to understand your staffing costs in the
organizations. This creates greater turnover insame "units of measure" in order to compare
many departments and thus less "Subject Matter"apples to apples" costs. This means you will need
Expertise."to understand what your costs per user are to
2) Server Virtualization - The second and probablysay provide an email mailbox. Once this analysis is
more important is Server Virtualization. Defined asunderstood, comparisons can be easily made.
multiple server environments or "virtual servers"- Lowered risk to service interruptions with 24/7
housed on a single piece of physical hardware.monitored systems - since many operations with
Companies like VMwarehave revolutionized thesmall staffs cannot watch all applications and
industry and spent the last four to five yearsdevices on a 7 x 24 x 365 basis, cloud hosting
explaining ways they can use this technology tocenters can provide better monitoring and
reduce start up costs in new applicationescalate back to the company for critical events.
development by virtualizing many of the common- Faster access to technology solutionswith
server activities, such as email, file and print. Manyreduced business risk - the hosting company will
companies have already completed this costbe dealing with many different business and can
saving initiative by migrating many of theirtherefore offer great advise on technology
common platforms to virtualized environments.solutions that can enhance your business.
There are many advantages to server- Access to skilled technical experts across
virtualization, but most important, as good asmultiple technologies.
private companies have become at virtualizing,- Single point of accountabilityfor technology
hosting providers have become even better.infrastructure management & support.
Cloud computing services now include virtualization,Disadvantages (Con's)
dedicated VMware expertise and the option for- Managing the "Beast" of an Application - in some
"Fully Managed, "Partially Managed" or "Dedicatedorganizations managing an application with a
Virtual" environments for servers and networktremendous amount of data or high input in to
devices. This allows businesses the flexibility ofthe cloud requiring a large amount of output back
speed without having to grow the size of theirout to the client or desktop needs to be
own data center foot prints and IT staff.examined very closely. Remember you still have
3) Lower Total Cost of Ownership (TCO) - In thisto pay the price for bandwidth going in and out of
new economy, there is the need for manythe hosting provider to make it cost effective to
businesses with fewer resources to understanduse.
how to transact at a lower Total Cost of- Agility- Some businesses need to take a careful
Ownership (TCO), with ongoing savings. Theselook at the speed of which the chosen hosting
organizations need to be able to respond fastprovider can turn around an application. For retail
enough to their customers by still being flexiblecompanies seasonal peaks always need to be
enough to provide vital and necessary "Onlooked at very closely, so that technical staff can
Demand" solutions. This has led to greater effortbe available quickly. An example is "Black Friday"
being spent on application development and lessthe day after Thanksgiving.
on commodity based Infrastructure needs. Areas- The Bigger You are The Harder You Fall -
of Information Technology such as desktophosting providers offer that unique opportunity to
support, help desk, installation of software on"blame the other guy." As a result, smaller IT
computers and network can be automated andstaffs and their IT Managers need to work
outsourced and these are usually the first areas aclosely with the hosting provider on Service Level
CIO looks to cut costs.Agreements (SLAs). If an IT manager is leaning
Cloud computing therefore represents a paradigmto heavily on a hosting provider to provide all of
shift for business and IT management with twotheir services and in-house talent than they have
primary attractions:a) Moving IT off the capitalto negotiate very tight SLAs and be ready to
expenditures budget and reclassifying it as atake responsible when the hosting provider cannot
reoccurring monthly operating expense, like aturn around service as quickly as possible.
utility. Many offerings come with the ability to- In House Technical Talent - Obvious, but needs
price by user and this is often cost justified byto said. In-house talent is the corner stone to any
reduced IT Infrastructure salaries.b) Providinggreat IT organization. Cloud solutions are still very
small and mid-sized companies with access to thecomplicated and you need to have at least one
sophisticated, state-of-the-art technology. Smallperson in your organization who knows more
and medium size companies, who are just hearingabout your application than the hosting provider
about virtualization and arriving somewhat late todoes. Often times this is forgotten, and when you
the game, can now benefit from the lower costsget comfortable with the hosting provider than it
and best practices that have been developed byis easy to rely on them too much for your core
many providers.business.
This has opened the door for hosting providers