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Companies are beginning to favor cloud-native solutions over traditional on-premises monoliths. The driver for this change is the desire to improve scalability, reliability, customer experience, and business velocity. Developing applications in the cloud increases agility (build and deploy faster), thereby reducing time to market. Early adopters of cloud-native also report increased revenue and reduced operating cost in addition to the vastly improved development velocity.
Building up Cloud Maturity
Rethinking application lifecycle management, from system architecture through app monitoring, in a manner conducive to cloud characteristics allows you to take full advantage of the cloud. We enable clients to move their systems through the various levels of cloud maturity by adopting application-centric design and automation along with managed services from mature cloud vendors.
Utilizing Cloud Services
Adoption of cloud services is the primary characteristic of any cloud-based system. At the very least, an application may use cloud storage, compute, or monitoring infrastructure. When an application is migrated to the cloud using the lift and shift approach, it makes use of just the basic building blocks. Such systems are at a low level of cloud maturity but enjoy the fundamental benefits of being on the cloud.
While the lift and shift approach may be ideal in certain cases, such as at the outset of your cloud journey, we can take you through even higher levels of cloud maturity. Systems can be configured to utilize managed services for caching, load balancing, etc., or even advanced services such as serverless computing in addition to the rudimentary storage and compute options.
Much of the “undifferentiated heavy lifting” done by your team can be transferred to the cloud vendor through the adoption of managed database services, load balancers, caching mechanisms, data warehouses, or search and automation tools. Managed services will enhance your team’s agility and allow them more time to focus on tasks that add business value.
The highest level of cloud-native maturity is when everything required to run and scale your application is managed by the cloud vendor. Serverless computing service, for instance, lets you run large applications without provisioning, scaling, or managing any servers. Using such managed services can enable some of the most advanced cloud-native architectures.
Basic cloud building blocks - compute, storage, networking, monitoring
Advanced services such as serverless and AI/ML services
Adopting Application-Centric Design
On-premises infrastructure is centralized with everything at a single location. In contrast, servers and databases are distributed in the cloud. Mirroring the structure of the cloud while designing and architecting your applications can make them better suited for the cloud platform.
The 12-factor app is a design methodology for building applications such that they can be deployed to modern cloud environments and scaled up without much changes in the architecture, tools, or practices. Such apps will enjoy maximum portability and minimum divergence between environments. Designing your app based on the 12-factor methodology can ensure a higher level of cloud-native maturity.
Many legacy applications have a monolithic architecture with all the components combined into a single unit. To grow in cloud-native maturity, applications need to have a modular structure. Microservices-based applications where each service is fully autonomous and has little or no dependency on other services (loosely coupled) are ideal for cloud computing.
Other considerations for cloud-native architecture include built-in instrumentation, security, parallelization, and resiliency. Applications designed to execute processes in parallel will be better equipped to scale and designing for security allows smoother adoption of cloud security services. Instrumentation as a design consideration can lead to a self-aware application built to detect component failures or latency issues and automatically resolve them (self-healing capacity).
Leveraging Tools for Automation
To take full advantage of cloud offerings, you will need to automate the operational aspects of the application too. This involves developing code for environment setup and configuration.
When a change in the environment becomes necessary, the infrastructure as code (IaC) can be executed to replace the existing infrastructure in full. Such an approach will give you an immutable infrastructure that allows for little or no configuration drift.
In large and complex environments where full replacement of infrastructure is not always feasible, changes can be made at the component level. Using automated scripts will ensure changes are implemented with consistency.
Infrastructure, when written as code, can be handled similar to application code using source control systems. We can configure tools for a fully automated deployment pipeline (CI/CD) that will automate both infrastructure and application code deployments giving you agility and consistency.
At the next level, monitoring of the entire system and usage optimization of resources can be automated. Cloud monitoring services can be configured to detect traffic spikes and fire up additional instances or shut them down to balance the load (autoscaling). Automated compliance audit checks can also be implemented with logging frameworks built to analyze logs and detect anomalies in real time.
At an even higher degree of automation, AI and ML can be used to predict how events could impact the system and take proactive measures to avoid performance or security degradation.
IaC, Immutable infrastructure, CI/CD
Monitoring, compliance, and optimization through automation
Design applications with Microservices architecture
Place business functions behind APIs
Use stateless services and event-driven approach
Automate tests - unit, API, acceptance
Storage
Establish a storage lifecycle policy
Organize data based on attributes such as frequency-of-access and planned retention period
Enforce retention policies using code (and OS properties, where possible)
Implement a cloud storage data aging management mechanism that tracks the state of data and moves it to a different cloud storage device or deletes it after a defined lifecycle
Automate backup
Security
Adopt DevSecOps approach
Architect the solution based on applicable security standards
Implement logic-based security solutions with custom scripting
Encrypt sensitive data
Harden servers and containers
Use managed services such as web application firewall
Integrate application security testing into CI/CD
Define cloud-based backup and disaster recovery strategy
Infrastructure
Utilize managed services such as RDS, Aurora, DynamoDB, and Redshift.
Take advantage of autoscaling—automatically adjust resources
Build resilient services to ensure auto-redundancy
Use serverless technologies such as AWS Lambda and Azure Functions
Benefit from multiple data centers to ensure business continuity
Operations
Maintain infrastructure as code using tools such as AWS CloudFormation
Plan for immutable infrastructure
Automate code deployment pipeline
Deploy services/applications in containers
Use orchestration tools such as Kubernetes, Swarm
Monitoring
Ensure continuous monitoring and threat prediction with stacks such as ELK and OSSEC
Automate detection of environment/configuration drift
Create compliance as code framework and automate audit checks
Use white box monitoring methods in addition to external polling
Adopt tools, such as Prometheus, to monitor a wide variety of custom metrics
Track all related requests with request tracing tools such as Jaeger and Zipkin
Development
Design applications with Microservices architecture
Place business functions behind APIs
Use stateless services and event-driven approach
Automate tests - unit, API, acceptance
Infrastructure
Utilize managed services such as RDS, Aurora, DynamoDB, and Redshift.
Take advantage of autoscaling—automatically adjust resources
Build resilient services to ensure auto-redundancy
Use serverless technologies such as AWS Lambda and Azure Functions
Benefit from multiple data centers to ensure business continuity
Storage
Establish a storage lifecycle policy
Organize data based on attributes such as frequency-of-access and planned retention period
Enforce retention policies using code (and OS properties, where possible)
Implement a cloud storage data aging management mechanism that tracks the state of data and moves it to a different cloud storage device or deletes it after a defined lifecycle
Automate backup
Operations
Maintain infrastructure as code using tools such as AWS CloudFormation
Plan for immutable infrastructure
Automate code deployment pipeline
Deploy services/applications in containers
Use orchestration tools such as Kubernetes, Swarm
Security
Adopt DevSecOps approach
Architect the solution based on applicable security standards
Implement logic-based security solutions with custom scripting
Encrypt sensitive data
Harden servers and containers
Use managed services such as web application firewall
Integrate application security testing into CI/CD
Define cloud-based backup and disaster recovery strategy
Monitoring
Ensure continuous monitoring and threat prediction with stacks such as ELK and OSSEC
Automate detection of environment/configuration drift
Create compliance as code framework and automate audit checks
Use white box monitoring methods in addition to external polling
Adopt tools, such as Prometheus, to monitor a wide variety of custom metrics
Track all related requests with request tracing tools such as Jaeger and Zipkin
For a Smooth Landing on the Cloud
A landing zone can be the starting point for your cloud journey. It is an adaptable foundation built according to best practices before deploying any workloads. Delivered as infrastructure as code, it is a repeatable process with a prescriptive set of instructions for deploying a baseline cloud environment with some core services.
The baseline environment will dramatically reduce your deployment times for future accounts/environments. By implementing a cloud landing zone, we enable clients to deploy to production quickly with sound governance and reduced operational costs.
The technical and operational aspects taken care of when building a landing zone are
Account structure design
Virtual network configuration
Security and audit requirements
Identity and access management
Central shared services
Automation framework and versioned infrastructure
To maximize the benefits of migrating to the cloud, businesses need to adopt cloud-native engineering and best practices. Our cloud consultants with proven experience in major cloud platforms can help streamline your cloud-native journey. We can help you adopt modular application architecture and establish DevOps practices to deploy easily scalable enterprise applications on the cloud.
