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Cloud computing is a model for enabling on-demand network access to a shared pool of configurable computing resources, such as networks, servers, storage, applications, and services that can be rapidly provisioned and released with minimal management effort or service provider interaction. According to research by Gartner (2024), the global cloud computing market size is projected to reach $1.25 trillion by 2025, reflecting the rapid growth and widespread adoption of these services.The National Institute of Standards and Technology (NIST) defines five core characteristics that distinguish cloud computing from traditional IT infrastructure. These include on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.Each characteristic addresses specific business needs while enabling organizations to access computing resources without maintaining physical hardware on-premises.Cloud computing services are organized into three main categories that serve different business requirements and technical needs. Infrastructure as a Service (IaaS) provides basic computing resources, Platform as a Service (PaaS) offers development environments and tools, and Software as a Service (SaaS) delivers complete applications over the internet. Major cloud providers typically guarantee 99.9% or higher uptime in service level agreements to ensure reliable access to these services.Organizations can choose from four primary use models based on their security, compliance, and operational requirements. Public cloud services are offered over the internet to anyone, private clouds are proprietary networks serving limited users, hybrid clouds combine public and private cloud features, and community clouds serve specific groups with shared concerns. Each model provides different levels of control, security, and cost structures.Over 90% of enterprises use some form of cloud services as of 2024, according to Forrester Research (2024), making cloud computing knowledge important for modern business operations. This widespread adoption reflects how cloud computing has become a cornerstone of digital change and competitive advantage across industries.What is cloud computing?Cloud computing is a model that delivers computing resources like servers, storage, databases, and software over the internet on demand, allowing users to access and use these resources without owning or managing the physical infrastructure. Instead of buying and maintaining your own servers, you can rent computing power from cloud providers and scale resources up or down based on your needs.Over 90% of enterprises now use some form of cloud services, with providers typically guaranteeing 99.9% or higher uptime in their service agreements.The three main service models offer different levels of control and management. Infrastructure as a Service (IaaS) provides basic computing resources like virtual machines and storage. Platform as a Service (PaaS) adds development tools and runtime environments, and Software as a Service (SaaS) delivers complete applications that are ready to use. Each model handles different aspects of the technology stack, so you only manage what you need while the provider handles the rest.Cloud use models vary by ownership and access control. Public clouds serve multiple customers over the internet, private clouds operate exclusively for one organization, and hybrid clouds combine both approaches for flexibility. This variety lets organizations choose the right balance of cost, control, and security for their specific needs while maintaining the core benefits of cloud computing's flexible, elastic infrastructure.What are the main types of cloud computing services?The main types of cloud computing services refer to the different service models that provide computing resources over the internet with varying levels of management and control. The main types of cloud computing services are listed below.Infrastructure as a service (IaaS): This model provides basic computing infrastructure, including virtual machines, storage, and networking resources over the internet. Users can install and manage their own operating systems, applications, and development frameworks while the provider handles the physical hardware.Platform as a service (PaaS): This service offers a complete development and use environment in the cloud, including operating systems, programming languages, databases, and web servers. Developers can build, test, and use applications without managing the underlying infrastructure complexity.Software as a service (SaaS): This model delivers fully functional software applications over the internet through a web browser or mobile app. Users access the software on a subscription basis without needing to install, maintain, or update the applications locally.Function as a service (FaaS): Also known as serverless computing, this model allows developers to run individual functions or pieces of code in response to events. The cloud provider automatically manages server provisioning, scaling, and maintenance while charging only for actual compute time used.Database as a service (DBaaS): This service provides managed database solutions in the cloud, handling database administration tasks like backups, updates, and scaling. Organizations can access database functionality without maintaining physical database servers or hiring specialized database administrators.Storage as a service (STaaS): This model offers flexible cloud storage solutions for data backup, archiving, and file sharing needs. Users can store and retrieve data from anywhere with internet access while paying only for the storage space they actually use.What are the different cloud deployment models?Cloud use models refer to the different ways organizations can access and manage cloud computing resources based on ownership, location, and access control. The cloud use models are listed below.Public cloud: Services are delivered over the internet and shared among multiple organizations by third-party providers. Anyone can purchase and use these services on a pay-as-you-go basis, making them cost-effective for businesses without large upfront investments.Private cloud: Computing resources are dedicated to a single organization and can be hosted on-premises or by a third party. This model offers greater control, security, and customization options but requires higher costs and more management overhead.Hybrid cloud: Organizations combine public and private cloud environments, allowing data and applications to move between them as needed. This approach provides flexibility to keep sensitive data in private clouds while using public clouds for less critical workloads.Community cloud: Multiple organizations with similar requirements share cloud infrastructure and costs. Government agencies, healthcare organizations, or financial institutions often use this model to meet specific compliance and security standards.Multi-cloud: Organizations use services from multiple cloud providers to avoid vendor lock-in and improve redundancy. This plan allows businesses to choose the best services from different providers while reducing dependency on any single vendor.How does cloud computing work?Cloud computing works by delivering computing resources like servers, storage, databases, and software over the internet on an on-demand basis. Instead of owning physical hardware, users access these resources through web browsers or applications, while cloud providers manage the underlying infrastructure in data centers worldwide.The system operates through a front-end and back-end architecture. The front end includes your device, web browser, and network connection that you use to access cloud services.The back end consists of servers, storage systems, databases, and applications housed in the provider's data centers. When you request a service, the cloud infrastructure automatically allocates the necessary resources from its shared pool.The technology achieves its flexibility through virtualization, which creates multiple virtual instances from single physical servers. Resource pooling allows providers to serve multiple customers from the same infrastructure, while rapid elasticity automatically scales resources up or down based on demand.This elastic scaling can reduce resource costs by up to 30% compared to fixed infrastructure, according to McKinsey (2024), making cloud computing both flexible and cost-effective for businesses of all sizes.What are the key benefits of cloud computing?The key benefits of cloud computing refer to the advantages organizations and individuals gain from using internet-based computing services instead of traditional on-premises infrastructure. The key benefits of cloud computing are listed below.Cost reduction: Organizations eliminate upfront hardware investments and reduce ongoing maintenance expenses by paying only for resources they actually use. Cloud providers handle infrastructure management, reducing IT staffing costs and operational overhead.Flexibility and elasticity: Computing resources can expand or contract automatically based on demand, ensuring best performance during traffic spikes. This flexibility prevents over-provisioning during quiet periods and under-provisioning during peak usage.Improved accessibility: Users can access applications and data from any device with an internet connection, enabling remote work and global collaboration. This mobility supports modern work patterns and increases productivity across distributed teams.Enhanced reliability: Cloud providers maintain multiple data centers with redundant systems and backup infrastructure to ensure continuous service availability.Automatic updates and maintenance: Software updates, security patches, and system maintenance happen automatically without user intervention. This automation reduces downtime and ensures systems stay current with the latest features and security protections.Disaster recovery: Cloud services include built-in backup and recovery capabilities that protect against data loss from hardware failures or natural disasters. Recovery times are typically faster than traditional backup methods since data exists across multiple locations.Environmental effectiveness: Shared cloud infrastructure uses resources more effectively than individual company data centers, reducing overall energy consumption. Large cloud providers can achieve better energy effectiveness through economies of scale and advanced cooling technologies.What are the drawbacks and challenges of cloud computing?The drawbacks and challenges of cloud computing refer to the potential problems and limitations organizations may face when adopting cloud-based services. They are listed below.Security concerns: Organizations lose direct control over their data when it's stored on third-party servers. Data breaches, unauthorized access, and compliance issues become shared responsibilities between the provider and customer. Sensitive information may be vulnerable to cyber attacks targeting cloud infrastructure.Internet dependency: Cloud services require stable internet connections to function properly. Poor connectivity or outages can completely disrupt business operations and prevent access to critical applications. Remote locations with limited bandwidth face particular challenges accessing cloud resources.Vendor lock-in: Switching between cloud providers can be difficult and expensive due to proprietary technologies and data formats. Organizations may become dependent on specific platforms, limiting their flexibility to negotiate pricing or change services. Migration costs and technical complexity often discourage switching providers.Limited customization: Cloud services offer standardized solutions that may not meet specific business requirements. Organizations can't modify underlying infrastructure or install custom software configurations. This restriction can force businesses to adapt their processes to fit the cloud platform's limitations.Ongoing costs: Monthly subscription fees can accumulate to exceed traditional on-premise infrastructure costs over time. Unexpected usage spikes or data transfer charges can lead to budget overruns. Organizations lose the asset value that comes with owning physical hardware.Performance variability: Shared cloud resources can experience slower performance during peak usage periods. Network latency affects applications requiring real-time processing or frequent data transfers. Organizations can't guarantee consistent performance levels for mission-critical applications.Compliance complexity: Meeting regulatory requirements becomes more challenging when data is stored across multiple locations. Organizations must verify that cloud providers meet industry-specific compliance standards. Audit trails and data governance become shared responsibilities that require careful coordination.Gcore Edge CloudWhen building AI applications that require serious computational power, the infrastructure you choose can make or break your project's success. Whether you're training large language models, running complex inference workloads, or tackling high-performance computing challenges, having access to the latest GPU technology without performance bottlenecks becomes critical.Gcore's AI GPU Cloud Infrastructure addresses these demanding requirements with bare metal NVIDIA H200. H100. A100. L40S, and GB200 GPUs, delivering zero virtualization overhead for maximum performance. The platform's ultra-fast InfiniBand networking and multi-GPU cluster support make it particularly well-suited for distributed training and large-scale AI workloads, starting from just €1.25/hour. Multi-instance GPU (MIG) support also allows you to improve resource allocation and costs for smaller inference tasks.Discover how Gcore's bare metal GPU performance can accelerate your AI training and inference workloads at https://gcore.com/gpu-cloud.Frequently asked questionsPeople often have questions about cloud computing basics, costs, and how it fits their specific needs. These answers cover the key service models, use options, and practical considerations that help clarify what cloud computing can do for your organization.What's the difference between cloud computing and traditional hosting?Cloud computing delivers resources over the internet on demand, while traditional hosting provides fixed server resources at dedicated locations. Cloud offers elastic growth and pay-as-you-go pricing, whereas traditional hosting requires upfront capacity planning and fixed costs regardless of actual usage.What is cloud computing security?Cloud computing security protects data, applications, and infrastructure in cloud environments through shared responsibility models between providers and users. Cloud providers secure the underlying infrastructure while users protect their data, applications, and access controls.What is virtualization in cloud computing?Virtualization in cloud computing creates multiple virtual machines (VMs) on a single physical server using hypervisor software that separates computing resources. This technology allows cloud providers to increase hardware effectiveness and offer flexible, isolated environments to multiple users simultaneously.Is cloud computing secure for business data?Yes, cloud computing is secure for business data when proper security measures are in place, with major providers offering encryption, access controls, and compliance certifications that often exceed what most businesses can achieve on-premises. Cloud service providers typically guarantee 99.9% or higher uptime in service level agreements while maintaining enterprise-grade security standards.How much does cloud computing cost compared to on-premises infrastructure?Cloud computing typically costs 20-40% less than on-premises infrastructure due to shared resources, reduced hardware purchases, and lower maintenance expenses, according to IDC (2024). However, costs vary primarily based on usage patterns, with predictable workloads sometimes being cheaper on-premises while variable workloads benefit more from cloud's pay-as-you-go model.How do I choose between IaaS, PaaS, and SaaS?Choose based on your control needs. IaaS gives you full infrastructure control, PaaS handles infrastructure so you focus on development, and SaaS provides ready-to-use applications with no technical management required. 

Building a startup is tough. Every decision about your infrastructure can make or break your speed to market and burn rate. Your time, team, and budget are stretched thin. That’s why you need a partner that helps you scale without compromise.At Gcore, we get it. We’ve been there ourselves, and we’ve helped thousands of engineering teams scale global applications under pressure.That’s why we created the Gcore Startups Program: to give early-stage founders the infrastructure, support, and pricing they actually need to launch and grow.At Gcore, we launched the Startups Program because we’ve been in their shoes. We know what it means to build under pressure, with limited resources, and big ambitions. We wanted to offer early-stage founders more than just short-term credits and fine print; our goal is to give them robust, long-term infrastructure they can rely on.Dmitry Maslennikov, Head of Gcore for StartupsWhat you get when you joinThe program is open to startups across industries, whether you’re building in fintech, AI, gaming, media, or something entirely new.Here’s what founders receive:Startup-friendly pricing on Gcore’s cloud and edge servicesCloud credits to help you get started without riskWhite-labeled dashboards to track usage across your team or customersPersonalized onboarding and migration supportGo-to-market resources to accelerate your launchYou also get direct access to all Gcore products, including Everywhere Inference, GPU Cloud, Managed Kubernetes, Object Storage, CDN, and security services. They’re available globally via our single, intuitive Gcore Customer Portal, and ready for your production workloads.When startups join the program, they get access to powerful cloud and edge infrastructure at startup-friendly pricing, personal migration support, white-labeled dashboards for tracking usage, and go-to-market resources. Everything we provide is tailored to the specific startup’s unique needs and designed to help them scale faster and smarter.Dmitry MaslennikovWhy startups are choosing GcoreWe understand that performance and flexibility are key for startups. From high-throughput AI inference to real-time media delivery, our infrastructure was designed to support demanding, distributed applications at scale.But what sets us apart is how we work with founders. We don’t force startups into rigid plans or abstract SLAs. We build with you 24/7, because we know your hustle isn’t a 9–5.One recent success story: an AI startup that migrated from a major hyperscaler told us they cut their inference costs by over 40%…and got actual human support for the first time. What truly sets us apart is our flexibility: we’re not a faceless hyperscaler. We tailor offers, support, and infrastructure to each startup’s stage and needs.Dmitry MaslennikovWe’re excited to support startups working on AI, machine learning, video, gaming, and real-time apps. Gcore for Startups is delivering serious value to founders in industries where performance, cost efficiency, and responsiveness make or break product experience.Ready to scale smarter?Apply today and get hands-on support from engineers who’ve been in your shoes. If you’re an early-stage startup with a working product and funding (pre-seed to Series A), we’ll review your application quickly and tailor infrastructure that matches your stage, stack, and goals.To get started, head on over to our Gcore for Startups page and book a demo.Discover Gcore for Startups

Europe’s cloud priorities are changing fast, and rightly so. With new regulations taking effect, concerns about jurisdictional control rising, and trust becoming a key differentiator, more companies are asking a simple question: Who really controls our data?For years, European companies have relied on global cloud giants headquartered outside the EU. These providers offered speed, scale, and a wide range of services. But 2025 is a different landscape.Recent developments have shown that data location doesn’t always mean data protection. A service hosted in an EU data center may still be subject to laws from outside the EU, like the US CLOUD Act, which could require the provider to hand over customer data regardless of where it’s stored.For regulated industries, government contractors, and data-sensitive businesses, that’s a growing problem. Sovereignty today goes beyond compliance. It’s central to business trust, operational transparency, and long-term risk management.Rising risks of non-EU cloud dependencyIn 2025, the conversation has shifted from “is this provider GDPR-compliant?” to “what happens if this provider is forced to act against our interests?”Here are three real concerns European companies now face:Foreign jurisdiction risk: Cloud providers based outside Europe may be legally required to share customer data with foreign authorities, even if it’s stored in the EU.Operational disruption: Geopolitical tensions or executive decisions abroad could affect service availability or create new barriers to access.Reputational and compliance exposure: Customers and regulators increasingly expect companies to use providers aligned with European standards and legal protections.European leaders are actively pushing for “full-stack European solutions” across cloud and AI infrastructure, citing sovereignty and legal clarity as top concerns. Leading European firms like Deutsche Telekom and Airbus have criticized proposals that would grant non-EU tech giants access to sensitive EU cloud data.This reinforces a broader industry consensus: jurisdictional control is a serious strategic issue for European businesses across industries. Relying on foreign cloud services introduces risks that no business can control, and that few can absorb.What European companies must do nextEuropean businesses can’t wait for disruption to happen. They must build resilience now, before potentially devastating problems occur.Audit their cloud stack to identify data locations and associated legal jurisdictions.Repatriate sensitive workloads to EU-based providers with clear legal accountability frameworks.Consider deploying hybrid or multi-cloud architectures, blending hyperscaler agility and EU sovereign assurance.Over 80% of European firms using cloud infrastructure are actively exploring or migrating to sovereign solutions. This is a smart strategic maneuver in an increasingly complex and regulated cloud landscape.Choosing a futureproof pathIf your business depends on the cloud, sovereignty should be part of your planning. It’s not about political trends or buzzwords. It’s about control, continuity, and credibility.European cloud providers like Gcore support organizations in achieving key sovereignty milestones:EU legal jurisdiction over dataAlignment with sectoral compliance requirementsResilience to legal and geopolitical disruptionTrust with EU customers, partners, and regulatorsIn 2025, that’s a serious competitive edge that shows your customers that you take their data protection seriously. A European provider is quickly becoming a non-negotiable for European businesses.Want to explore what digital sovereignty looks like in practice?Gcore’s infrastructure is fully self-owned, jurisdictionally transparent, and compliant with EU data laws. As a European provider, we understand the legal, operational, and reputational demands on EU businesses.Talk to us about sovereignty strategies for cloud, AI, network, and security that protect your data, your customers, and your business. We’re ready to provide a free, customized consultation to help your European business prepare for sovereignty challenges.Auditing your cloud stack is the first step. Knowing what to look for in a provider comes next.Not all EU-based cloud providers guarantee sovereignty. Learn what to evaluate in infrastructure, ownership, and legal control to make the right decision.Learn how to verify EU cloud control in our blog