How to Build a Cloud-ready Application Architecture

Table of Contents

A3Logics 19 Aug 2022

Table of Contents


Today is truly the age of data. With the massive growth in data, we really need effective systems for managing it. That’s where cloud computing services come in.


These services change how we see and handle computing resources. Businesses don’t need to spend a lot on setting up and maintaining servers. Instead, they can rent resources from cloud providers whenever they’re needed. This cuts down on spending and gives them the freedom to scale resources based on demand.


Moreover, cloud computing lets businesses access their data and apps from anywhere. This has been especially useful since the global pandemic has pushed many businesses to work remotely. Cloud services have kept these businesses running smoothly despite these changes.


The aim of this piece is to guide you in creating a cloud-ready application. We’ll cover everything from infrastructure, designing for failure to different cloud computing services like Infrastructure as a Service (IaaS) and Platform as a Service (PaaS). We’ll also talk about scalability, log management, security, communication between applications, and the move towards microservices.


Through this article, we hope to give you the tools to navigate the world of cloud-ready apps. So, strap in and let’s start this exciting journey!


Understand Infrastructure and Design for Failure

It’s the thought and planning that go into creating the IT surroundings where an app works. It covers stuff like server setup, storage systems, network design, safety steps, and more. In short, infrastructure design is the framework that keeps an app intact.


Let’s think about planning a big road trip. You need a reliable car (hardware), a current map (software), smart fuel use (networking), and of course, good insurance (security). Building the infrastructure for a cloud app is much like this but on a more complex scale.


Additionally, customized cloud computing solutions provide know-how and advice, helping companies steer through the design process and get the most out of the cloud. They’re like the tour guides for this cloud journey, showing off the must-see spots and warning against potential missteps.


Infrastructure as a Service in Cloud Computing

Cloud computing provides a service model called Infrastructure as a Service (IaaS). In this model, a third-party provider takes care of the foundational elements of infrastructure, such as hardware, software, servers, and storage, on behalf of the customer. Services like hosting on virtual machines, network connections, bandwidth, IP addresses, and load balancers are typically included. With IaaS, businesses can focus on developing and managing their applications and services without the burden of infrastructure management.


Importance of IaaS in Cloud-ready Applications

IaaS plays a key role in creating cloud-ready applications. It gives the raw materials, or computing resources, needed for such applications. It gives developers ready-to-use resources to make their cloud-ready applications.


What’s more, IaaS allows businesses to adjust resources based on demand quickly. This makes it suitable for workloads that are short-term, experimental, or suddenly change. Cloud computing service providers who offer IaaS make sure that businesses only pay for what they use. So, it’s a more cost-effective solution than traditional infrastructures.


Design the Application as a Collection of Services

To grasp microservices, imagine an app as a city. In a traditional design, the city is one big unit, hard to change without affecting everything. But a microservices design sees the city as separate districts. Each district has its own unique function, but all work together to create the city.


Just like that, a microservices design breaks an app into small services. Each service runs its own process and talks to others with easy-to-use methods, like HTTP resource APIs. Each service focuses on a particular business need, and different services can use different technologies.


How Cloud Computing Services Support Microservices

Cloud computing services are crucial in supporting microservices designs. They provide the scalable, distributed, and on-demand computing resources needed for such a design.


Imagine each microservice as a container ship. Each ship can operate on its own, but you still need a well-equipped port for them. Cloud computing consulting services are like these ports. They provide the necessary infrastructure, platforms, and software.


Cloud platforms also provide useful tools for managing microservices, such as Docker and Kubernetes. These tools make it easier to deploy, connect, scale, and manage the lifecycle of containers.


Also, the natural scalability of the cloud matches the dynamic nature of microservices. As each service scales based on its needs, cloud platforms can dynamically give or take away resources. This makes it a cost-effective solution.


Case Studies of Successful Service-based Applications

Let’s consider real-world examples to show the power of a service-based app design.


Netflix is a well-known success story in the microservices world. They moved from a traditional design to a microservices one to manage growing demand. Netflix uses Amazon Web Services (AWS), a cloud computing service provider, to host its microservices. This move has helped Netflix to scale effectively. They can serve millions of users globally without any major service disruptions.


Uber is another great example. The global ride-hailing service moved to a microservices design to manage its rapid growth. This move has helped Uber scale their services based on demand in different areas, improving user experience. Similarly, having Adobe Experience Cloud would be beneficial.


Platform as a Service in Cloud Computing

Platform as a Service (PaaS) is a service from cloud computing service providers. They offer the tools you need to build and run applications. It’s all online, so you don’t have to worry about setting up and managing the complex gear usually needed for apps.


Role of PaaS in Application Development

PaaS is a crucial piece of the cloud computing puzzle. It makes creating apps quicker and cheaper. Why? Businesses don’t have to buy and maintain the equipment needed to run the apps.


Let’s think about PaaS as a launchpad for your app (your rocket). The launchpad has all the systems to send your rocket into space (the market).


More than that, PaaS helps in every stage of your app’s life. It aids in building, testing, launching, managing, and updating the app. It also lets creators roll out updates faster, which means users get new features quicker.


Consider the Effects of Scaling

Scalability is pivotal for cloud-ready applications as it assures that the app can evolve and cater to the shifting needs of its users. Think of it like a water system that can provide more water as the demand grows, ensuring everyone has what they need, exactly when they need it.


In our rapidly advancing technological world, a firm’s endurance often hinges on its ability to expand its applications in step with business growth. Effective scalability can enhance user experiences, slash costs, and even elevate revenue.


Role of Cloud Computing Services in Scalability

Cloud computing services have a key part to play in scalability. They offer the necessary foundation and services to rapidly and effectively expand applications.


Cloud computing, particularly cloud optimization services, can supply resources on-the-spot. That means they can allot more resources when user demands swell and scale back when it diminishes. It’s akin to having a squad of gardeners at the ready to provide your tree with the precise amount of water and nutrients at a moment’s notice.


Moreover, cloud computing can deliver automated scaling, adjusting resources based on real-time user demand, and simplifying peak usage periods for businesses.


Approaches to Scaling Applications on the Cloud

When it comes to growing applications on the cloud, there are generally two strategies: vertical scaling and horizontal scaling.


  • Vertical Scaling: Vertical scaling, or “scaling up,” involves increasing the capacity of a single server. It’s like swapping your tree for a larger pot. This method is generally easier to employ as it doesn’t demand alterations to the application. However, it does have a cap defined by the server’s maximum capacity.


  • Horizontal Scaling: Horizontal scaling, or “scaling out,” includes adding more servers to aid the application. It’s like planting more trees to distribute the load evenly. This method enables near-endless scalability and bolsters fault tolerance, as if one server crashes, others can step in. Nonetheless, it may demand modifications to the application to work effectively.


Types of Cloud Computing Services

There are three main cloud computing services: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). 


Comparison Between IaaS, PaaS, SaaS, and More


Infrastructure as a Service (IaaS): IaaS offers the essentials to build your tech house. It provides the raw tools for cloud IT, like networking features, computers, and storage space. It’s like getting land, bricks, and tools to build.


Platform as a Service (PaaS): PaaS is like a half-built house. The basics are in place, and you get to add the finishing touches. It offers a platform that lets you make and manage apps without worrying about complex infrastructure tasks.


Software as a Service (SaaS): SaaS is like a fully furnished house. SaaS gives software apps via the internet, on-demand, usually through a subscription.


These are the main types of cloud computing. Each one gives a different level of control and management. There are also other, less common types like Function as a Service (FaaS) that meet specific needs.


Selecting the Appropriate Cloud Service for Your Needs

Picking the right cloud service is like picking the right place to eat. It depends on what you need. If you want total control and aren’t afraid of extra work, IaaS is your best bet. Want to focus on the app and not the infrastructure? Go with PaaS. SaaS is for you if you just want to use software apps without dealing with infrastructure or platforms.


Consider your business needs, what you can afford, your tech skills, your budget, and future growth plans. The right cloud computing service should be like a perfect suit – it should fit you well and make you look great!


Keep Your Logs Accessible

Cloud-based apps usually have multiple parts spread over different servers. Each part creates its logs. Having these logs handy gives you a clear snapshot of the app’s status at any time. From spotting slow queries to grasping user habits, logs can shed light on almost every facet of an app’s life. Without handy logs, we may miss out on key insights.


How Cloud Computing Services Assist in Log Accessibility

Now, meet cloud computing services – the superheroes of log management. Think of them as your super-organized aides, tidying up your detective’s evidence room. Google Cloud computing services, for example, offer sturdy logging tools like Google Cloud’s operations suite. This tool helps store, analyze, and interpret log data.


Cloud computing also offers scalability and storage power to manage the huge log volumes created by today’s apps. This ability to tackle massive log data is a key plus of cloud-based log management.


Best Practices for Log Management in the Cloud


  • Centralize Your Logs: It’s easier to find leads when they are all in one spot. Similarly, grouping logs from all your apps and servers in one place simplifies log analysis and gives a unified view of your app’s performance and health.


  • Use Log Management Tools: Just like a detective needs tools, log management does too. Log management tools structure and sort log data, making it easier to comprehend and scrutinize.


  • Set Alerts and Monitors: In detective work, time is key. Similarly, fast issue detection can lessen their impact. Setting alerts for specific log events can help pinpoint and solve problems speedily.


  • Apply Log Retention Policies: In detective work, not all evidence is worth holding onto forever. Likewise, old logs can be tossed to save storage space. Applying log retention policies helps use storage resources wisely without losing valuable data.


Cloud computing like Google Cloud Platform (GCP) is vital in ensuring log handiness. Applying best practices in log management helps leverage these services for efficient and effective use of log data.


Security Comes First

Data breaches, unauthorized access, loss of data control, and weak data encryption are common security concerns in cloud computing. Like a bank, the cloud too must follow many rules to provide a secure environment.


Role of Cloud Computing Services in Enhancing Security

Next, let’s look at how cloud computing services enhance security. Cloud computing uses advanced measures to guard data.


One such step is encryption, which changes data into a code that needs a decryption key for access. It’s like a vault that opens only with the right combination. Most cloud computing also uses strong user authentication methods, adding another security layer against unauthorized access.


Strategies for Ensuring Secure Cloud-ready Applications


  • Know your duties: Security is a shared duty in most cloud models. The cloud provider safeguards the cloud, but you are responsible for what you put in it. Understanding your duties is the first step towards secure cloud-ready applications.


  • Think about security from the start: When creating cloud-ready applications, security should be a priority, not an afterthought. Security measures incorporated at the design stage make the application stronger against threats.


  • Update and patch regularly: Just like banks maintain their security systems, your applications need regular updates and patches to stay safe. They fix vulnerabilities and keep the application updated against new threats.


  • Use multi-factor authentication: Multi-factor authentication adds another security layer. It’s like a bank asking for an ID and a password to open a safe deposit box.


  • Encrypt all sensitive data: As we’ve seen, encryption is a crucial tool for data security. Make sure to encrypt sensitive data, whether it’s at rest or in transit.


Consider Communications between Applications

Inter-application communication allows applications to swap data and services, paving the way to craft composite applications that deliver more advanced and handy functions.


Take a weather app for example. It might need to gather data from various spots (air traffic control, sea science centers, and weather offices) to provide accurate weather predictions. Without proper chat channels, this task would be a hard nut to crack. Basically, inter-application communication is the backbone that makes our digital infrastructure work as a single unit.


Facilitating Communication Using Cloud Computing Services

Cloud computing services, like Google Cloud Platform services, are like seasoned translators, helping applications ‘communicate’ with each other. These services offer powerful APIs and integration services that make data swap a breeze.


Just like translators aid people who speak different languages to understand each other, APIs (Application Programming Interfaces) let different software applications chat and swap information. APIs lay down the rules for how applications should chat and provide guidelines for this interaction.


Cloud computing also provides messaging queues and event-driven computing options that let applications chat in an asynchronous way, leading to highly effective and scalable application structures.


Potential Pitfalls and How to Avoid Them

A major hurdle is the close linking of applications. Just as people need their space, applications also need to maintain a level of independence. If applications are closely linked, a change or a failure in one can trigger a domino effect, making the entire system crash.


To dodge this, it’s crucial to use loosely linked structures that allow applications to work independently. The use of APIs is one way to do this, as they allow for clear agreements between applications and limit the dependencies among them.


Security is another possible hurdle. Unsecured chat can lead to data leaks and unauthorized access. Using secure chat protocols and proper data encryption is key to shielding against these threats.


Delay is another issue that can hamper performance. It refers to the time lag that happens in the chat process. Using efficient protocols and technologies that reduce delay, like those offered by cloud computing, can help to solve this problem.


Decouple the Data and Move Towards Microservices

Tight coupling means a small change or glitch in one part can mess up the whole system.


Decoupling means building our systems so that separate parts can work and change independently. When we decouple data, we make sure that changes in one system part don’t force changes in another.


In a world where data piles up super fast, data decoupling is key. It lets us scale storage apart from computing resources. This means we use resources smartly and save money. Plus, it adds flexibility. You can pick the best storage and processing solutions for your needs.


Role of Cloud Computing Services in Implementing Microservices

Cloud computing services are key to moving towards a microservices structure. Microservices are a way of structuring an app as a set of loosely linked services. Each service, or ‘microservice,’ is a small, standalone unit that does a specific job. Cloud computing offers containers and tools for managing these microservices. Containers offer a stable and isolated environment for each microservice, while management tools help to organize and coordinate these containers.


Tips for Successful Transition to Microservices


  • Get Started with a Small Step: Commence by focusing on a small and less risky section of your application. This approach allows you to familiarize yourself with the new framework without jeopardizing your entire app.


  • Separate Your Data: As mentioned earlier, it is vital to decouple your data. Ensure that each microservice has its own dedicated database to maintain its independence.


  • Leverage Cloud Computing Services: Take full advantage of the resources and offerings provided by your cloud provider. Utilizing services such as AWS’s EKS or Google’s Kubernetes Engine can simplify the management of your microservices.


  • Adopt DevOps Practices: DevOps practices like continuous integration and continuous deployment (CI/CD) are key for managing fast-paced microservices development and deployment cycles.


  • Monitor and Log: With lots of independent services, monitoring and logging are super important. Use solid monitoring and logging solutions to ensure you can spot and fix any issues fast.


Bringing it All Together

Now, imagine your cloud application as a bustling city, with each component serving as a building, road, or park that contributes to its functionality and vibrancy. Cloud computing services function as the architects, urban planners, and service providers of a city, guaranteeing smooth and effective operations.


Within this urban landscape, scalability resembles the city’s capacity to grow and adapt to an increasing population. Log accessibility is akin to a vigilant security system, meticulously monitoring every entrance and exit to detect any unnoticed problems.


The security of the application is just as vital as the city’s law enforcement, protecting residents from external risks. Inter-application communication and a microservices architecture resemble the city’s transport and municipal systems, ensuring accessibility and independent yet unified functionality throughout.


If you plan to build or transition to this bustling cityscape of a cloud-ready application, consider engaging with a reputable cloud application development company. They can guide you through the transformation, helping you harness the full potential of cloud computing.


Their expertise will assist you in navigating the complexities of scalability, log accessibility, security, inter-application communication, and transitioning to a microservices architecture. They can also help you leverage platforms like GCP, which offers numerous tools and services designed specifically for building robust, scalable, and secure cloud applications.

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One notable trend is the increasing adoption of serverless architectures, where the focus shifts from managing servers to managing services. This trend simplifies the development process and enables the creation of highly scalable and efficient applications.


Additionally, we anticipate the rise of edge computing, which involves bringing computation and data storage closer to the sources of data. This approach offers numerous benefits and can enhance application performance. As more organizations move to the cloud, safeguarding sensitive data and maintaining privacy will become even more critical.


Are you ready to harness the power of cloud computing services for your applications? Start your cloud journey today with A3logics, and let’s create a future where your applications not only embrace the cloud but thrive in it. The clouds are waiting. All we need to do is reach out and embrace them.




What are Cloud Computing Services, and why are they important?

Cloud computing services are a valuable resource that provides easy access to various computing elements like storage, servers, databases, and software over the internet. These services have become an essential part of the IT industry due to their availability on-demand, scalability, and cost-effectiveness. 


Why should we design applications as a collection of services?

Designing applications as a collection of services, often referred to as a microservices architecture, promotes modularity, flexibility, and scalability. In a microservices architecture, modifications to one service do not disrupt the others, allowing for continuous updates and improvements with minimal downtime.


How does cloud computing assist in scalability and log accessibility?

Cloud computing offers unparalleled scalability, providing resources on demand. When your application experiences a sudden surge in usage, cloud services can quickly allocate additional resources to handle the increased load. Conversely, during periods of low usage, these resources can be scaled back to save costs.


What are some security concerns in cloud computing, and how can they be mitigated?

Security is of utmost importance in cloud computing, with various threats, such as data breaches and insider attacks. Reputable cloud service providers implement stringent security measures to safeguard your data. These measures include data encryption, identity and access management, secure gateways, and regular security audits. 


What is data decoupling, and how does it assist in the transition to microservices?

Data decoupling can be likened to breaking a giant jigsaw puzzle into smaller, manageable sections. It separates data from the application, allowing each service in a microservices architecture to have its own database. This separation enhances flexibility as each service can be developed, deployed, and scaled independently.