Continual
monitoring of cloud computing trends, with regular updates to the
enterprise's cloud strategy, will be essential to avoid costly
mistakes or miss market opportunities over the next few years,
according to Gartner, Inc.
Although the potential for cloud computing is significant, the
breadth and depth of the impact, as well as the level of adoption
over time, are uncertain and will require frequent review.
"Cloud
computing is a major technology trend that has permeated the market
over the last two years. It sets the stage for a new approach to IT
that enables individuals and businesses to choose how they'll acquire
or deliver IT services, with reduced emphasis on the constraints of
traditional software and hardware licensing models," said David
Cearley, vice president and Gartner Fellow. "Cloud
computing has a significant potential impact on every aspect of IT
and how users access applications, information and business
services."
Gartner
has identified five cloud computing sub-trends that will be
accelerating, shifting or reaching a tipping point over the next
three years and that users must factor into their planning processes.
Formal
decision frameworks facilitate cloud investment optimization: The
cloud promises to deliver a range of benefits, including a shift
from capital-intensive to operational cost models, lower overall
cost, greater agility and reduced complexity. It can also be used to
shift the focus of IT resources to higher-value-added activities for
the business, or to support business innovation and, potentially,
lower risks. However, these prospective benefits need to be examined
carefully and mapped against a number of
challenges, including security,
lack of transparency, concerns about performance and availability,
the potential for vendor lock-in, licensing constraints and
integration needs.
These issues create a complex environment in which to evaluate
individual cloud offerings.
Hybrid
cloud computing is an imperative: Hybrid
computing refers to the coordination and combination of external
cloud computing services (public or private) and internal
infrastructure or application services. Over time, hybrid cloud
computing could lead to a unified model in which there is a single
"cloud" made up of multiple cloud platforms (internal or
external) that can be used, as needed, based on changing business
requirements.
Gartner
recommends that enterprises focus near-term efforts on application
and data integration, linking fixed internal and external
applications with a hybrid solution. Where public cloud application
services or custom applications running on public cloud
infrastructures are used, guidelines and standards should be
established for how these elements will combine with internal
systems to form a hybrid environment.
Cloud
brokerage will facilitate cloud consumption: As
cloud computing adoption proliferates, so does the need for
consumption assistance. A cloud
services brokerage (CSB) is a service provider that plays an
intermediary role in cloud computing.
Interest in the CSB concept increased last year, and Gartner expects
this trend to accelerate over the next three years as more
individuals, whether they are in IT or a line-of-business unit,
consume cloud services without involving IT.
To
address this challenge, Gartner believes that IT departments should
explore how they can position themselves as CSBs to the enterprise
by establishing a purchasing process that accommodates cloud
adoption and encourages business units to come to the IT
organization for advice and support. The enterprise CSB approach can
be implemented by modifying existing processes and tools such as
internal portals and service catalogs.
Cloud-centric
design becomes a necessity: Many
organizations look first for opportunities to migrate existing
enterprise workloads to a cloud system or an application
infrastructure. This approach may provide benefits where the
workload has a highly variable resource requirement, or where the
application naturally lends itself to horizontal scalability.
However, to fully exploit the potential of a cloud model,
applications need to be designed with the unique characteristics,
limitations and opportunities of a cloud model in mind. Gartner
advises enterprises to look beyond the migration of enterprise
workloads to the creation of cloud-optimized applications that fully
exploit the potential of the cloud to deliver global-class
applications.
Cloud
computing influences future data center and operational models: In
public cloud computing, an enterprise is acting as a consumer of
services, with the cloud services provider handling the
implementation details, including the data center and related
operational models. However, to the extent that the enterprise
continues to build its own data centers, they will be influenced by
the implementation models used by cloud services providers. Gartner
recommends that enterprises apply the concepts of cloud computing to
future data center and infrastructure investments to increase
agility and efficiency.
"The
trend and related technologies continue to evolve and change rapidly,
and there is continuing confusion and misunderstanding as vendors
increasingly hype 'cloud' as a marketing term," said David
Mitchell Smith, vice president and Gartner Fellow.