Cloud servers give businesses access to computing resources such as processing power, memory and storage without requiring them to purchase and maintain all the underlying physical hardware themselves.
For small businesses, this can provide an efficient way to host websites, applications, databases or digital services while retaining the flexibility to increase resources as demand grows.
However, choosing a cloud server should involve more than looking at CPU, RAM or monthly cost. Businesses should also consider:
- whether the workload is predictable or frequently changes;
- whether the server needs to be managed internally or by the provider;
- backup and disaster recovery;
- security controls;
- data location; and
- compliance requirements.
This guide explains what a cloud server is, how scalability and flexibility work, which cloud server options can provide good value for small businesses, and what security and compliance factors should be evaluated before choosing a provider.
What Is a Cloud Server?
A cloud server is a virtual server that provides computing resources such as CPU, memory, storage and an operating system through cloud infrastructure.
Unlike a traditional physical server that runs directly on dedicated hardware, a cloud server generally uses virtualisation to separate computing resources into virtual machines that can be provisioned and managed remotely.
From the user’s perspective, a cloud server can perform many of the same functions as a physical server. It can:
- host websites;
- run business applications;
- store databases;
- support development environments;
- run automation tools;
- host eCommerce platforms; and
- provide computing resources for other digital workloads.
The main difference is how the underlying infrastructure is delivered.
Cloud Server vs Physical Server
| Factor | Cloud Server | Traditional Physical Server |
|---|---|---|
| Infrastructure | Virtualised | Physical hardware |
| Provisioning | Generally faster | Requires physical setup |
| Resource scaling | Can usually be adjusted more easily | Often requires hardware changes |
| Upfront hardware investment | Lower | Higher |
| Remote management | Built into cloud environment | Depends on configuration |
| Suitable for | Changing or growing workloads | Predictable or specialised workloads |
One of the main advantages of cloud infrastructure is that resources do not always need to remain fixed.
If an application needs more processing power, memory or storage, its infrastructure can often be expanded without replacing an entire physical server.
This ability leads to two of the most important characteristics of cloud computing: scalability and flexibility.
What is Cloud Scalability?
Cloud scalability, a pivotal aspect of cloud computing, empowers systems to flexibly respond to evolving computing demands by dynamically augmenting or reducing essential resources, such as computing power, storage, or network capacity.
This adaptive capability ensures that the system efficiently aligns its resources with the workload to achieve desired performance levels. Typically, scalability involves the manipulation of server numbers, storage capacities, and other computing resources.
The significance of this scalability lies in its ability to enable organizations to swiftly adapt to fluctuating computing requirements while optimizing the utilization of computing resources.
The ultimate objective of cloud scalability is to ensure the cloud service can efficiently expand its capabilities and seamlessly accommodate heavier workloads by incorporating additional physical or virtual resources.
This scalability stands as a crucial advantage of cloud computing, allowing businesses to readily and expediently scale their operations without undertaking substantial upfront investments in hardware and infrastructure.
For more information: What is Cloud Scalability?
Why is Cloud Scalable?
A scalable cloud architecture hinges on the power of virtualization. While physical machines come with predefined resources and performance capabilities, virtual machines (VMs) offer unmatched flexibility, making scaling a breeze.
These adaptable entities can be effortlessly adjusted in size, whether increasing or decreasing, to meet changing requirements. They can be seamlessly relocated to different servers or hosted across multiple servers concurrently, enabling workloads and applications to migrate to larger VMs when necessary.
In addition, the scalability advantage extends beyond the reach of individual businesses. Third-party cloud providers possess extensive hardware and software resources, establishing a solid foundation for swift and cost-effective scaling.
These providers offer an infrastructure that surpasses what a single organization could achieve independently, granting businesses access to their abundant resources and facilitating efficient and expedited scaling processes.
The 7 Benefits of Cloud Scalability
The power of cloud scalability has sparked widespread adoption among businesses of all sizes, thanks to several compelling benefits:
Convenience takes centre stage as cloud scalability simplifies the process of expanding resources. IT administrators can swiftly add more virtual machines (VMs) with just a few clicks, tailored precisely to the organization’s requirements.
This streamlined approach saves invaluable time for IT staff, freeing them from the arduous task of setting up physical hardware and allowing them to focus on more critical endeavors.
Flexibility and speed emerge as key drivers of cloud scalability. As business needs evolve or encounter unforeseen spikes in demand, the cloud provides the agility to respond promptly.
Even smaller enterprises now have access to robust resources that were once economically out of reach. This liberation from the constraints of outdated equipment empowers companies to update their systems, ramp up computing power, and expand storage capacity effortlessly.
Cost savings become a tangible reality through cloud scalability. By sidestepping the upfront costs of purchasing expensive equipment that may quickly become obsolete, businesses can embrace a more economical approach.
Cloud providers offer a pay-as-you-go model, allowing organizations to pay only for the resources they consume, minimizing waste and maximizing cost-efficiency.
Furthermore, scalable cloud computing presents a compelling advantage for disaster recovery strategies. By eliminating the need for building and maintaining secondary data centers, businesses can significantly reduce the associated costs, making their disaster recovery plans more viable and resource-effective.
Ultimately, the benefits of cloud scalability have propelled its adoption, enabling businesses to navigate the digital landscape with enhanced convenience, flexibility, cost savings, and disaster resilience.
How to Achieve Cloud Scalability
Businesses have different options for setting up a flexible and scalable cloud solution, including public cloud, private cloud, or hybrid cloud.
There are two main types of scalability in cloud computing: vertical scaling and horizontal scaling.
Vertical scaling, also called “scaling up” or “scaling down,” involves adjusting the power of an existing cloud server by adding or removing resources like memory, storage, or processing power.
However, there is typically a limit to how much a server can scale vertically, and going beyond that limit may require downtime.
Horizontal scaling, also known as “scaling in” or “scaling out,” involves adding more resources, such as servers, to the system. This spreads out the workload across multiple machines, improving performance and increasing storage capacity.
Horizontal scaling is particularly useful for businesses that require minimal downtime and high availability services.
Understanding these two scalability approaches helps businesses optimize their cloud infrastructure to meet their changing needs while ensuring efficient resource utilization and uninterrupted operations.
What is Cloud Flexibility?
Cloud flexibility refers to the capacity of a cloud system to adjust and adapt in accordance with specific needs and circumstances. This attribute empowers users to modify and configure the cloud environment to align with their unique requirements, preferences, or business demands.
By offering the ability to swiftly and efficiently adjust settings, services, or resources within the cloud infrastructure, cloud flexibility grants users the freedom to respond to shifting market conditions, explore novel technologies, scale resources up or down, and customize the cloud environment to optimize performance, cost, and user experience.
This dynamic capability enables businesses to tailor their cloud infrastructure to suit their evolving needs and maintain agility within an ever-changing digital landscape.
The 7 Benefits of Cloud Flexibility
Cloud flexibility offers a range of valuable benefits that empower organizations to thrive in the digital landscape:
- Innovation – With cloud flexibility, organizations can experiment and innovate by testing and integrating new technologies or services without making significant upfront investments.
- Business Continuity – Cloud flexibility enhances business continuity and disaster recovery capabilities by enabling easy replication and access to data and applications from multiple locations.
- Cost Optimization – Adjusting resource allocation based on actual usage helps organizations optimize costs and avoid unnecessary expenses.
- Agility – Rapid deployment and provisioning of new services allow businesses to swiftly respond to market opportunities and evolving customer needs.
- Customization – Cloud flexibility allows organizations to tailor the cloud environment to meet specific requirements, preferences, or compliance regulations.
- Collaboration – By facilitating seamless collaboration and remote access, cloud flexibility empowers teams to work together effectively across different locations and devices.
- Security – Robust security measures and access controls can be implemented to protect sensitive data and ensure compliance within the flexible cloud environment.
By leveraging these benefits, organizations can achieve enhanced operational efficiency, foster innovation, realize cost savings, and gain a competitive edge in the mark.
Which Cloud Server Options Provide the Best Value for Small Businesses?
The best-value cloud server for a small business is not necessarily the cheapest plan.
A better measure of value is whether the infrastructure provides enough performance, storage, reliability and support for the workload without forcing the business to pay for resources it does not need.
For many SMEs, the choice can be narrowed down to four infrastructure approaches.
| Cloud server option | Suitable for | Main value consideration |
|---|---|---|
| Virtual server / VPS | Websites and applications with predictable workloads | Good balance of resources and cost |
| Managed virtual server | SMEs with limited in-house IT expertise | Reduces server-management workload |
| Scalable public cloud | Applications with unpredictable demand | Resources can adapt as demand changes |
| Private or dedicated infrastructure | Sensitive, specialised or consistently heavy workloads | Greater isolation and control |
1. Virtual Server or VPS: Good Value for Predictable Workloads
A Virtual Private Server, or VPS, provides allocated virtual computing resources without requiring a business to rent an entire physical server.
It can be a practical option for small businesses running:
- growing corporate websites;
- eCommerce websites;
- web applications;
- development environments;
- SaaS applications;
- databases; and
- workflow automation tools.
For SMEs whose resource requirements are relatively stable, a VPS can provide a useful balance between cost, performance and control.
Exabytes’ NVMe VPS hosting provides configurable CPU, memory and NVMe storage alongside root access, snapshots, weekly off-server backup and server uptime monitoring.
Consider this option when: your workload has outgrown basic hosting but does not require large-scale enterprise infrastructure.
2. Managed Virtual Server: Better Value When IT Resources Are Limited
The lowest server price does not necessarily produce the lowest overall operating cost.
A self-managed server requires someone to handle areas such as:
- operating-system maintenance;
- control-panel configuration;
- software updates;
- troubleshooting; and
- routine server administration.
If your business does not have experienced technical staff, a managed server may provide greater overall value.
Exabytes offers managed and self-managed options for its Singapore VPS infrastructure. The managed option adds technical server management to the underlying virtual-server resources.
Consider this option when: your business needs virtual-server performance but does not want employees spending significant time administering the server.
3. Scalable Public Cloud: Better Value for Changing Demand
Some businesses cannot accurately predict how much computing capacity they will need.
Examples include:
- seasonal eCommerce businesses;
- ticketing or booking applications;
- rapidly growing SaaS platforms;
- promotional campaigns;
- new digital products; and
- applications experiencing irregular traffic peaks.
A scalable cloud environment may offer better value because resources can be increased as workload demand changes rather than permanently provisioning infrastructure for peak capacity.
However, flexibility also requires cost monitoring.
Unused or oversized resources can increase cloud expenditure, so businesses should periodically review whether the infrastructure still matches actual usage.
Consider this option when: demand changes frequently and the ability to scale quickly matters more than maintaining a fixed server configuration.
4. Private Cloud or Dedicated Infrastructure: Useful for Specific Requirements
Private cloud and dedicated servers provide greater infrastructure isolation and control, but they may offer more capacity than an ordinary small-business website requires.
They become more relevant where there is a specific need for:
- dedicated resources;
- sensitive applications;
- sustained high CPU or memory usage;
- customised infrastructure;
- stronger workload isolation; or
- specific governance requirements.
Exabytes’ dedicated servers provide exclusive physical resources, while its Private Cloud provides dedicated compute, storage and networking for organisations requiring a single-tenant cloud environment.
Consider these options when: performance, isolation or control is more important than minimising infrastructure size.
Which Option Gives a Small Business the Best Value?
A simple way to compare the options is:
| Your situation | Option to consider |
|---|---|
| Website has outgrown shared hosting | VPS |
| Application has predictable usage | VPS |
| Business has technical server expertise | Self-managed VPS |
| Business has limited IT resources | Managed VPS |
| Traffic changes significantly | Scalable cloud |
| New service with uncertain growth | Scalable cloud |
| Consistently heavy workload | Dedicated server |
| Need greater infrastructure isolation | Private cloud |
For many small businesses, a VPS or managed virtual server is a practical starting point because it provides dedicated virtual resources without immediately requiring enterprise-scale infrastructure.
The better choice ultimately depends on three factors:
Workload + Internal IT Capability + Expected Growth
What Security and Compliance Considerations Are Essential When Choosing Cloud Servers?
Cloud infrastructure can provide strong security capabilities, but using cloud servers does not automatically make an organisation secure.
Security is generally a shared responsibility between the cloud provider and the customer.
The provider may secure the underlying infrastructure, while the customer remains responsible for areas such as its data, user accounts, access permissions, applications and configurations.
Singapore’s Personal Data Protection Commission (PDPC) specifically recommends that organisations understand the shared-responsibility model when using cloud services. It notes that organisations generally remain responsible for their data, endpoints, identity and access management even when infrastructure is hosted by a cloud provider.
Businesses should therefore assess the following areas before choosing a cloud server.
1. Identity and Access Management
One of the most important controls is deciding who can access the cloud environment.
Look for support for measures such as:
- multi-factor authentication;
- role-based access;
- strong password policies;
- restricted administrator privileges;
- individual administrator accounts; and
- access logging.
Avoid giving every user full administrative access.
Access should follow the principle of least privilege, where users receive only the permissions necessary to perform their role.
2. Data Encryption
Sensitive business and customer information should be protected both:
- in transit, while information moves between systems; and
- at rest, while stored on the server or storage system.
Businesses should understand which encryption capabilities are included by the provider and which must be configured separately.
3. Network Protection
Cloud servers that are exposed directly to the Internet require appropriate network controls.
These may include:
- firewalls;
- security groups;
- VPN access;
- DDoS mitigation;
- Web Application Firewalls;
- network segmentation; and
- restrictions on unnecessary open ports.
Singapore’s Cyber Security Agency (CSA) recommends strengthening cloud configurations, controlling network traffic and using appropriate access controls as part of securing cloud environments.
4. Backups and Recovery
Cloud hosting should not be treated as a replacement for backup.
Businesses should check:
- whether backup is included;
- how frequently backups run;
- whether backups are stored separately from the primary server;
- how long backups are retained;
- whether snapshots are available; and
- how quickly data can be restored.
For example, Exabytes NVMe VPS plans currently include weekly off-server backup and snapshots.
For more critical workloads, organisations may also need a formal enterprise backup or disaster recovery strategy.
5. Monitoring and Security Updates
A cloud server needs ongoing maintenance after deployment.
Businesses should establish responsibility for:
- operating-system patching;
- vulnerability remediation;
- malware protection;
- security updates;
- log review;
- infrastructure monitoring; and
- incident response.
This is particularly important when using self-managed infrastructure.
If the business does not have sufficient internal resources, managed hosting or cloud-security support may reduce the operational burden.
6. Data Location
Businesses handling personal or regulated information should understand where their data and backups are physically stored.
This matters because some information may be:
- replicated to another country;
- backed up overseas; or
- processed by subcontractors in another jurisdiction.
Under Singapore’s PDPA, organisations remain responsible for complying with their obligations when personal data is processed by a cloud service provider on their behalf. Organisations are also responsible for ensuring overseas transfers comply with the PDPA’s Transfer Limitation Obligation.
Do not assume that choosing a Singapore-based provider automatically means every copy of your data remains in Singapore.
Ask specifically about production, backup and disaster-recovery locations.
7. PDPA Requirements
If the server stores or processes personal data belonging to customers, employees or other individuals, Singapore businesses need to consider the Personal Data Protection Act (PDPA).
A cloud provider acting on behalf of an organisation may function as a data intermediary, but this does not remove the organisation’s own PDPA responsibilities.
Businesses should understand:
- what personal data is stored;
- who can access it;
- where it is transferred;
- how long it is retained;
- how it is protected; and
- what happens if a data breach occurs.
8. Security Certifications and Standards
Independent certifications can provide additional evidence that a provider follows recognised information-security practices.
Depending on your business requirements, relevant standards can include:
- ISO/IEC 27001 for information security management;
- ISO/IEC 27017 for cloud security controls;
- ISO/IEC 27018 for protection of personal information in public cloud environments; and
- Singapore’s Multi-Tier Cloud Security (MTCS) standard.
PDPC guidance recommends checking whether a cloud provider has appropriate recognised certifications where necessary and specifically references standards including ISO 27001, ISO 27017, ISO 27018 and MTCS.
Not every small business requires every certification, so evaluate them according to the type of information and workload you are hosting.
9. Cybersecurity Requirements for Your Industry
Some organisations operate under additional cybersecurity or sector-specific requirements.
Businesses in areas such as:
- financial services;
- healthcare;
- government;
- critical infrastructure; or
- regulated professional services
may need controls beyond ordinary commercial cloud hosting.
Singapore’s Cybersecurity Act establishes additional obligations relating to Critical Information Infrastructure and other regulated systems.
If your organisation operates in a regulated industry, confirm applicable requirements with your internal compliance team or relevant professional adviser before selecting the infrastructure.
10. Cloud Security Support
Small businesses may not have an internal security team capable of monitoring cloud servers continuously.
In this case, consider whether the provider can support:
- security assessment;
- vulnerability management;
- incident monitoring;
- managed detection and response;
- Web Application Firewall protection; and
- cloud-security posture management.
Exabytes’ Enterprise Security Services include cloud-security assessment, 24/7 security monitoring, managed detection and response, privileged-access management and DDoS/WAF protection.
Exabytes Singapore is also currently licensed by Singapore’s Cyber Security Agency to provide Managed Security Operations Centre Monitoring and Penetration Testing services.
Cloud Server Security Checklist for Small Businesses
Before choosing a cloud server, use this checklist:
| Security consideration | What to verify |
|---|---|
| Access | MFA and role-based access are available |
| Encryption | Data can be protected in transit and at rest |
| Network security | Firewall, DDoS and access controls are available |
| Backup | Off-server backups and recovery options exist |
| Monitoring | Server and security events can be monitored |
| Patching | Responsibility for updates is clearly defined |
| Data location | You know where primary and backup data are stored |
| PDPA | Personal-data responsibilities are understood |
| Certification | Relevant recognised security standards are supported |
| Recovery | Restoration and disaster-recovery procedures are documented |
| Support | Technical assistance is available when incidents occur |
The best cloud server is therefore not simply the one with the highest CPU or lowest monthly price.
It should provide the performance, scalability, security and management model that match your actual business requirements.
All in All
Cloud servers give businesses the flexibility to access computing resources without purchasing and maintaining all of the underlying physical infrastructure.
Their scalability makes it easier to respond to growth, changing traffic and new business requirements.
For small businesses, however, choosing the right cloud server requires balancing more than performance and price.
A VPS or managed virtual server may provide good value for predictable SME workloads. Scalable cloud infrastructure may be more suitable when demand changes frequently, while dedicated or private infrastructure can support workloads requiring greater isolation, control or sustained performance.
Security and compliance should also form part of the decision from the beginning.
Businesses should evaluate access controls, encryption, network security, backups, monitoring, data location, PDPA responsibilities and relevant security standards before placing important applications or customer information in the cloud.
The right question is therefore not simply:
“Which cloud server is cheapest?”
It is:
“Which cloud server gives our business the right balance of performance, scalability, management, security and compliance?”
Small businesses that need scalable virtual resources can explore Exabytes NVMe VPS. Organisations with more complex or business-critical requirements can consider Exabytes Enterprise Cloud for managed public, private and hybrid cloud environments.
Choosing infrastructure around your actual workload and risk requirements helps ensure that the cloud remains an enabler of growth rather than another source of operational complexity.
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