Understanding the different types of cloud solutions for your business

Cloud computing offers businesses a way to scale operations, reduce costs, and improve efficiency without maintaining extensive on-premises infrastructure. Instead of managing physical servers, businesses can access cloud computing resources on demand, making it easier to adapt to changing needs.

Beyond cost savings, cloud computing allows teams to focus on innovation rather than IT maintenance. Whether developing applications, managing data, or optimizing cloud resources, cloud solutions provide flexibility and support business growth. Modern cloud computing services enable businesses of all sizes to leverage enterprise-grade technology without significant capital investment.

This article breaks down the different types of cloud deployment models, helping you determine which model best fits your organization's needs. Comparing various types of cloud computing options is essential for strategic planning.

Cloud computing deployment models

Understanding the various types of cloud computing models is essential for making informed decisions about your strategy.

Public cloud

Public cloud services offer businesses a cost-effective way to access computing resources without investing in physical infrastructure. Major public cloud providers have established robust ecosystems that continue to expand cloud computing's capabilities, and the catalog of cloud services available through public providers continues to grow annually.

Advantages of public cloud

• Cost efficiency: Pay-as-you-go pricing with minimal upfront investment
• Rapid scalability: Easily adjust resources based on demand
• Simplified management: Provider handles IT infrastructure maintenance
• Global reach: Access to worldwide data centers for broader service delivery

Public clouds are typically created from IT infrastructure not owned by the end user and can be implemented as Infrastructure as a Service (IaaS) or developed into Platform as a Service (PaaS).

Hosted private cloud

Hosted private cloud solutions provide dedicated computing resources to a single organization, offering greater control and security compared to public cloud services.

Advantages of hosted private cloud

• Enhanced security: Dedicated environment reduces external threats
• Customization options: Tailor the environment to specific business requirements
• Consistent performance: Resources aren't shared with other organizations
• Compliance management: Better control for regulated industries

Hosted private clouds built on rented, vendor-owned data centers located off-premises, provide flexibility in infrastructure management.

Hybrid cloud

A hybrid cloud model combines elements of both public and private clouds, giving businesses more flexibility in managing workloads. Organizations can create secure connections between public and private clouds to form a unified computing environment that leverages the strengths of each.

Advantages of hybrid cloud

• Optimized resource allocation: Hybrid clouds can be used to run workloads in the most appropriate environment
• Business continuity: Use public resources for backup and disaster recovery
• Cost optimization: Balance capital expenses with operating expenses
• Gradual migration: Move to cloud at your own pace

Organizations can optimize resources by balancing security, performance, and cost across different cloud environments. Hybrid deployments offer flexibility to migrate between on-premises systems and cloud services as needs evolve. However, organizations also need to consider how they will maintain consistent governance, visibility, security, and operational control across those environments.

Multi-cloud

A multi-cloud strategy involves using two or more cloud service providers to distribute workloads and resources.

Advantages of multi-cloud

• Vendor diversity: Reduced dependency on a single provider
• Best-of-breed services: Select optimal services for specific workloads
• Geographic coverage: Access to different regional data centers
• Negotiation leverage: More options for service and pricing

Multi-cloud strategies enable organizations to leverage specialized services from different providers. Another emerging approach is the community cloud, which serves multiple organizations with shared concerns such as compliance, security, or industry-specific requirements.

Cloud computing service models

Infrastructure as a Service (IaaS)

Infrastructure as a Service provides businesses with on-demand access to essential computing resources, including virtual machines, networking, and cloud storage. This model eliminates the need for organizations to invest in and maintain physical hardware. IaaS provides businesses with control over virtual machines, including choice of operating systems, while the provider manages the physical hardware.

IaaS serves as the foundation of the cloud computing stack, offering flexible infrastructure that supports a range of applications and workloads.

Examples: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform and other leading cloud providers

Platform as a Service (PaaS)

Platform as a Service provides developers with a ready-to-use environment for building, deploying, and managing applications without handling the underlying infrastructure. This model simplifies application development by offering pre-configured tools and frameworks.

PaaS cloud services are commonly used for web and mobile application development, streamlining collaboration, and accelerating deployment.

Examples: Heroku, Google App Engine, Microsoft Azure

Software as a Service (SaaS)

Software as a Service allows users to access fully managed, cloud-based applications through a web browser, API, or dedicated client. Instead of installing software on individual devices, businesses can subscribe to solutions hosted by a cloud provider. This approach to cloud computing has revolutionized how organizations consume business applications.

SaaS applications are widely used for productivity, collaboration, and enterprise software needs, providing seamless updates and accessibility from any device.

Examples: Salesforce, Microsoft Office 365, Google Workspace

Functions as a Service (FaaS)

Functions as a Service, also known as serverless computing, allows developers to execute code in the cloud without managing servers or infrastructure. This model automatically scales resources based on demand, ensuring that businesses only pay for actual usage.

FaaS is ideal for event-driven applications, real-time data processing, and microservices.

Examples: AWS Lambda, Google Cloud Functions, Microsoft Azure Functions

Industry-specific applications

Different industries often gravitate toward specific types of cloud computing models based on their security, compliance, governance, performance, and operational requirements:

Healthcare: Hosted private and hybrid cloud environments can provide greater control over sensitive patient and healthcare data while supporting requirements related to HIPAA, data protection, access controls, and business continuity. Organizations should also consider where protected data resides, how it is accessed, and how security and compliance responsibilities are shared with cloud providers.

Retail: Retailers often need cloud environments that can scale quickly to accommodate seasonal demand while protecting customer and payment data. Multi-cloud and hybrid approaches can provide flexibility, but organizations must also account for PCI DSS requirements, consistent security policies, data governance, and visibility across environments.

Financial services: Financial institutions often balance strict security, privacy, risk management, and regulatory requirements with the need to deliver new digital services. Hybrid cloud can help organizations maintain greater control over sensitive workloads and data while taking advantage of public cloud services where appropriate.

Manufacturing: Cloud environments can support IoT, analytics, smart factory initiatives, and increasingly distributed supply chains. As operational technology and IT environments become more connected, manufacturers should consider data governance, access controls, cybersecurity requirements, workload availability, and how cloud services integrate with critical systems.

Choosing the right cloud solution

Selecting the right cloud and cloud deployment solution begins with evaluating your business needs and comparing available services. Organizations should assess different cloud providers based on security features, scalability, reliability, and cost to ensure the cloud solution aligns with their operational goals. When evaluating each cloud service provider, consider their track record of reliability, support quality, and commitment to innovation.

Download our eBook, designed to help IT decision-makers explore hosted private cloud, multi-tenant cloud, and hybrid cloud to find the best fit for their infrastructure. Get the Guide

The right cloud solution will depend on your specific operational requirements, technical capabilities, and business objectives. Consider starting with a thorough assessment of your current IT environment and future growth plans before making this important strategic decision. As cloud computing continues to evolve, working with knowledgeable cloud providers becomes increasingly valuable for successful implementations.

Evaluating cloud options across IT roles

The right cloud deployment model can also look different depending on who is evaluating it. While priorities overlap, different IT leaders may approach the decision through different operational lenses:

• CIOs often focus on governance, risk, compliance, cost predictability, and how the cloud strategy supports broader business priorities.
• Heads of IT may place greater emphasis on how cloud, on-premises infrastructure, connectivity, and data protection work together and how easily the overall hybrid environment can be managed.
• Directors of IT Operations are more likely to evaluate day-to-day considerations such as visibility, monitoring, workload control, support, performance, incident response, and the operational burden placed on internal teams.

Considering these perspectives together can help organizations choose a cloud model that works not only from an architectural standpoint, but also from a governance and operational one.

Choosing the right cloud deployment solution is a critical step in optimizing your IT strategy. Explore the Flexential cloud portfolio to compare options and make informed decisions about your next move.