Cloud Computing

Cloud computing enables ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction.

Essential Characteristics

On-Demand Self-Service

Users can provision computing capabilities, such as processing time, network and storage, as needed, automatically without requiring human interaction from the service provider or system administrator.

Broad Network Access

Resources are available over the network and accessed through standard mechanisms that promote use by heterogeneous platforms (e.g., mobile phones, tablets, laptops, and workstations).

Resource Pooling

Computing resources are pooled to serve multiple consumers, with different physical and virtual resources dynamically assigned and reassigned according to demand.

Rapid Elasticity

Resources can be elastically provisioned and released, to scale rapidly outward and inward commensurate with demand. To the user, the resources available for provisioning may appear unlimited and can be appropriated at any time.

Measured Service

Automatic control and optimization of resource usage by leveraging a metering capability at some level of abstraction appropriate to the type of service. Usage can be monitored, controlled, and reported, providing transparency for both the provider and consumer of the service.

We are moving to the cloud ... to enable agility, availability and the innovation necessary to get the best products to our customers, faster than our competitors.

Saran Mandair, Senior Director of PayPal Infrastructure Engineering

Long-term technology budgeting can be complicated and unpredictable. With rapid industry innovation, what you budget for in January could easily become obsolete by December. ... As you shift from a capital to an operating expenditure, your budget will become more predictable. ... Push your business technology into the cloud and get back to focusing on your core competencies.

Tom Cochran, Deputy Coordinator for Platforms at the US Department of State

Service Models

Infrastructure as a Service (IaaS)

Provision processing, storage, networks, and other fundamental computing resources where it’s possible to deploy and run software, which can include operating systems and applications. The user doesn’t manage or control the underlying infrastructure but has control over operating systems, storage, networking (e.g., host firewalls) and applications.

Platform as a Service (PaaS)

Deploy onto the cloud infrastructure applications created using programming languages, libraries, services, and tools supported by the provider. The user does not manage or control the underlying infrastructure, but has control over the deployed applications and possibly configuration settings for the application-hosting environment.

Software as a Service (SaaS)

Use the provider’s applications running on a cloud infrastructure. The applications are accessible from various client devices, such as a web browser or a program interface. The user doesn’t manage or control the underlying cloud infrastructure, or even individual application capabilities, with the possible exception of limited user-specific application configuration settings.

Deployment Models

Private Cloud

The cloud infrastructure is provisioned for exclusive use by a single organization comprising multiple consumers (e.g., business units). It may be owned, managed, and operated by the organization, a third party, or some combination of them, and it may exist on or off premises.

Community Cloud

The cloud infrastructure is provisioned for exclusive use by a specific community of consumers from organizations that have shared concerns and objectives. It may be owned, managed, and operated by one or more of the organizations in the community, a third party, or some combination of them, and it may exist on or off premises.

Public Cloud

The cloud infrastructure is provisioned for open use by the general public. It may be owned, managed, and operated by a business, academic, or government organization, or some combination of them. It exists on the premises of the cloud provider.

Hybrid Cloud

The cloud infrastructure is a composition of two or more distinct cloud infrastructures (private, community, or public) that remain unique entities, but are bound together by standardized or proprietary technology that enables data and application portability (e.g., cloud bursting for load balancing between clouds).

Workload shift from traditional to Cloud Data Centers

Cloud workloads as a percentage of total data center workloads, by year.

[Global Cloud Index]

2013

2014

2015

2016

2017

2018

Cloud workloads are expected to nearly triple in total, whereas traditional data center workloads are expected to see a global decline.

2013

2014

2015

2016

2017

2018

Cloud workloads are expected to nearly triple in total, whereas traditional data center workloads are expected to see a global decline.

Industries

IT Service Providers

Strengthen your existing business model by reducing human and technological costs, through the automation of your processes. Allow the self-provisioning of infrastructure by your customers.

Government

Achieve better cost efficiencies than those of public clouds, while retaining the control and regulatory benefits of private clouds. Leverage investments by supporting the cloud initiative across multiple agencies and bureaus.

Large Enterprises

Take advantage of economies of scale to enable and facilitate the adoption of the cloud paradigm. Your IT department will act as a service provider for other departments as internal clients.

Benefits

Cost Reduction

Maximize resource usage, protecting your investment in hardware. Reduce costs with human resources by automating processes and empowering end-users.

Complete Transparency

Have complete visibility over usage and costs of your entire cloud infrastructure. This information is crucial for you as a service provider and for your users.

Increased Agility

Reduce the time spent to prototype, develop and market, by simplifying the resource provisioning process. Scale up or scale down anytime, according to your business needs.

80%
cost reduction
2
more transparent
4
more agile

READY TO GO CLOUD?

 

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