The framework provides a set of questions that allows you to review an existing or proposed architecture. Simply stated, enterprise architecture framework (EAF) refers to any framework, process, or methodology which informs how to create and use an enterprise architecture.So, what is enterprise architecture?At a high level, enterprise architecture offers a comprehensive approach and holistic view of IT throughout an enterprise. To assess your workload using the tenets found in the Microsoft Azure Well-Architected Framework, see the Microsoft Azure Well-Architected Review. The Microsoft Azure Well-Architected Framework provides technical guidance specifically at the workload level across five pillars - cost optimization, security, reliability, performance efficiency and operational excellence. The Framework is something like a building code, established as a set of best practices for cloud architecture. Horizontal scaling (scaling out) is adding new instances of a resource, such as VMs or database replicas. But each VM in the pool must be able to handle any client request, so the application must be stateless or store state externally (say, in a distributed cache). Apply the principles of Build-Measure-Learn, to accelerate your time to market while avoiding capital-intensive solutions. Today's users expect an application to be available 24/7 without ever going offline. Assessments help you plan your cloud journey. Cloud Computing will massively change the future IT business in a way that many standard IT services will offered by big IT providers Cloud Computing platforms commoditize native Internet scale application development and operation Cloud Computing Architecture aspects will be integrated in Cloud platforms as framework, View image at full size The IBM reference architecture identifies the following roles: 1. Finally, establish policies, budgets, and controls that set cost limits for your solution. Use Key Vault to safeguard cryptographic keys and secrets. Using telemetry data to spot trends or alert the operations team. Cloud applications often use managed services that have access keys. For consumer-facing applications, Azure Active Directory B2C lets users authenticate with their existing social accounts (such as Facebook, Google, or LinkedIn), or create a new user account that is managed by Azure AD. These include things like using SSL everywhere, protecting against CSRF and XSS attacks, preventing SQL injection attacks, and so on. Analysis and diagnosis. If you're blocked in your cloud adoption journey, Microsoft has dedicated resources to help you get unblocked. The Cloud Service Creator who develops new services to be consumed through the cloud infrastructure 2. With PaaS services, there may not even be a dedicated VM to log into. The goal of resiliency is to return the application to a fully functioning state after a failure occurs. Visualization and alerts. Horizontal scaling can also improve resiliency, by adding redundancy. But you still need to build security into your application and into your DevOps processes. Never check these into source control. Due to its architecture, it not only shares resources among client source consumers but also with open source communities like Microsoft and Red hat. Systems and Solution Architecture helps you define and describe the system design and your architectural standards. By answering a set of foundational questions, you learn how well your architecture aligns with cloud best practices and are provided guidance for making improvements. Consider opportunity costs in your architecture, and the balance between first mover advantage versus "fast follow". The scope can be a subscription, a resource group, or a single resource. A cloud computing architecture provides higher bandwidth to its users due to which data over the cloud can be used from anywhere across the world at any time. Availability is whether your users can access your workload when they need to. Always conduct performance and load testing to find these potential bottlenecks. Design patterns for management and monitoring, Design patterns for scalability and performance. An enterprise is a business, company, firm, or group of any size that provides consumers with goods and/or services. At this stage, the tasks typically involve collecting all artifacts and related information about an enterprises current as-is state and all Applications scale horizontally, adding new instances as demand requires. Generating the raw data, from application logs, web server logs, diagnostics built into the Azure platform, and other sources. Make sure that your data remains in the correct geopolitical zone when using Azure data services. Effort was spent trying to prevent the system from failing. Apply the principles of Build-Measure-Learn, to accelerate your time to market while avoiding capital-intensive solutions. Most of us are aware of the immense benefits cloud computing offers in The Microsoft Well-Architected Framework consists of five pillars of architectural best practices: cost management, operational excellence, performance efficiency, reliability, and security. The whole idea of Enterprise Architecture is to enable the Enterprise to address orders of magnitude increases in complexity and orders of magnitude increases in the rate of change. Applications can be designed to run on hundreds or even thousands of nodes, reaching scales that are not possible on a single node. While it's rare for an entire region to experience a disruption, transient problems such as network congestion are more common so target these first. The monitoring and diagnostics process has several distinct phases: Use the DevOps checklist to review your design from a management and DevOps standpoint. For example: That said, you still need to build resiliency into your application. Consider storing application secrets in Azure Key Vault. Monitoring and diagnostics give insight into the system, so that you know when and where failures occur. Having the right monitoring and diagnostics is also important, both to detect failures when they happen, and to find the root causes. Identify your cloud adoption path based on the needs of your business. The main ways to achieve this are by using scaling appropriately and implementing PaaS offerings that have scaling built in. Consider using Azure Active Directory (Azure AD) to authenticate and authorize users. Azure managed disks are automatically placed in different storage scale units to limit the effects of hardware failures. Together with proven methodologies for enterprise and product security, the framework provides a holistic approach to securing organizations from chip to cloud. Some mitigations are more tactical in nature for example, retrying a remote call after a transient network failure. Cloud applications run in a remote data-center where you do not have full control of the infrastructure or, in some cases, the operating system. This is partly a function of cost. Utilize a multi-cloud abstraction framework, so you can develop once and deploy to any cloud. Just adding more instances doesn't mean an application will scale, however. Monitoring and diagnostics are crucial. These components typically consist of a front end platform (fat client, thin client, mobile),back end platforms (servers, storage), a cloud based delivery, and a Running several small VMs can cost less than a single large VM. Horizontal scale is elastic. This is the first step in cloud adoption. There are two main ways that an application can scale. The following image ties together each methodology to demonstrate the overall lifecycle. Examine how to go beyond your basic operations for priority workloads. Scaling out may be cheaper than scaling up. True cloud scale. Protecting applications and data from threats. The cloud is changing how applications are designed. Think about security throughout the entire lifecycle of an application, from design and implementation to deployment and operations. In Google Cloud, Cloud Build helps you define dependencies and versions for building an application package. NIST Enterprise Architecture Model (NIST EA Model) is a late-1980s reference model for enterprise architecture.It defines an enterprise architecture by the interrelationship between an enterprise's business, information, and technology environments.. Cloud Computing architecture comprises of many cloud components, which are loosely coupled. Control access to the Azure resources that you deploy. The ability of a system to adapt to changes in load. They should be a fast and routine process, so they don't slow down the release of new features or bug fixes. Consider opportunity costs in your architecture, and the balance between first mover advantage versus "fast follow". The stateful parts of a system, such as databases, are the most common cause of bottlenecks, and require careful design to scale horizontally. The Cost Optimization pillar is about optimizing costs, eliminating, unused or sub The ability of a system to recover from failures and continue to function. Instrumentation. A reliable workload is one that is both resilient and available. Azure's geo-replicated storage uses the concept of a paired region in the same geopolitical region. Distributed systems are complex, and a failure at one point can potentially cascade throughout the system. Use them to identify differences between your current state and your desired state. It might simply push the bottleneck somewhere else. Use role-based access control (RBAC) to grant users within your organization the correct permissions to Azure resources. The ease of scaling these services is a major advantage of using PaaS services. Use the cost calculators to estimate the init The AWS Well-Architected Frameworkprovides architectural best practices across the five pillars for designing and operating reliable, secure, efficient, and cost-effective systems in the cloud. Cloud Computing Architecture. Using the Framework in your architecture helps you produce stable and efficient systems, which allows you to focus on functional requirements. https://aka.ms/adopt, Get help migrating workloads to the cloud. Enterprise Architecture Framework for Cloud Adoption provides benefits to the enterprise such as reduced cost of technology and response times, improved scalability, extensive storage, high availability, security. Tactical mitigations can make a big difference. The key is to construct the right cloud architecture by following a standard framework with pointers to concepts and action items that are relevant to your own architecture. We'll provide personalized, curated recommendations to help you reach your desired state. Start with your business problem, then select the best architecture to address your unique application, data, and workload requirements. Use a common and consistent logging schema that lets you correlate events across systems. Zero-trust security in the cloud is different than it is on premises. Cloud Computing and Enterprise Architecture. Grant access by assigning RBAC role to users or groups at a certain scope. We can broadly divide the cloud architecture into two parts: Each of the ends is connected through a network, usually Internet. software-defined perimeter (SDP) The software-defined perimeter, or SDP, is a security framework that controls access to resources based on identity. For more information, see our Identity Management reference architectures. In a large application, it's not practical to log into VMs to troubleshoot an issue or sift through log files. Azure Storage, SQL Database, and Cosmos DB all provide built-in data replication, both within a region and across regions. Unblock migration efforts, improve processes, and drive business success. The Cloud Architecture Center provides practices for building apps on the cloud, across multiple clouds, and in hybrid environments where your cloud app links to your on-premises application. It provides best practices, documentation, and tools that cloud architects, IT professionals, and business decision makers need to successfully achieve their short- and long-term objectives. Therefore, if you have Enterprise Architecture, and if you have made that Enterprise Architecture explicit, and if you have designed it correctly, you should be able to change the Enterprise Resiliency strategies can be applied at all levels of the architecture. When designing an application to be resilient, you must understand your availability requirements. Use the cost calculators to estimate the initial cost and operational costs. Being familiar with a framework like this can help you create better architectures To troubleshoot issues and see the overall health. Instead of monoliths, applications are decomposed into smaller, decentralized services. For example, if you scale a web front end to handle more client requests, that might trigger lock contentions in the database. Cost Optimization. The Cloud Service Provider who administers and operate At that point, any further scaling must be horizontal. How much downtime is acceptable? Find guidance for each methodology as you proceed through your cloud adoption journey. This section of the architecture framework describes how to apply technical and procedural requirements to architect and operate reliable services on Collection and storage. The AWS Well-Architected Framework describes the key concepts, design principles, and architectural best practices for designing and running workloads in the cloud. The Cloud Adoption Framework is proven guidance thats designed to help you create and implement the business and technology strategies necessary for your organization to succeed in the cloud. Consolidating the data into one place. Compute, Network, Storage, and Database Provisioning helps you develop new processes for provisioning infrastructure in a cloud environment. Vertical scaling (scaling up) means increasing the capacity of a resource, for example by using a larger VM size. Each of the methodologies captured above are part of a broad cloud adoption lifecycle. Resiliency is the ability of the system to recover from failures and continue to function. Think of it as your rules of engagement a framework that ensures theres only one way to build your workloads, one way to determine where they go, and one way to decide how they get there. A fault domain is a group of VMs that share a common power source and network switch. Cloud Computing Frameworks and Standards. Operations are done in parallel and asynchr You can add more instances if load increases, or remove them during quieter periods. Other mitigations are more strategic, such as failing over the entire application to a secondary region. See why the Cloud Adoption Framework is right for your business. If you want to integrate an on-premises Active Directory environment with an Azure network, several approaches are possible, depending on your requirements. Use the pay-as-you-go strategy for your architecture, and invest in scaling out, rather than delivering a large investment first version. The Cloud Adoption Framework is a collection of documentation, implementation guidance, best practices, and tools that are proven guidance from Microsoft designed to accelerate your cloud adoption journey. Azure has many resiliency features already built into the platform. Here are some broad security areas to consider. By using the Framework you will learn architectural best practices for designing and operating reliable, secure, effi- cient, and cost-effective systems in the cloud. Applications often depend on external services, which may become temporarily unavailable or throttle high-volume users. If an instance goes down, the application keeps running. Performance efficiency is the ability of your workload to scale to meet the demands placed on it by users in an efficient manner. Operations processes that keep a system running in production. Azure AD also integrates with Office365, Dynamics CRM Online, and many third-party SaaS applications. It provides a way for you to consistently measure your architectures against best practices and identify areas for improvement. In cloud computing, a different mindset is required, due to several factors: All of these factors mean that cloud applications must be designed to expect occasional failures and recover from them. Resolving one bottleneck may reveal other bottlenecks elsewhere. Maintain two branches for those components of your application that are cloud provider specific and wrap them behind a common interface. You can use it to create domains that exist purely on Azure, or integrate with your on-premises Active Directory identities. Identify gaps between your current state and business priorities, and get the right resources to help you address those gaps. Costs for cloud environments are kept low through the use of commodity hardware, so occasional hardware failures must be expected. In the construction industry, principles to ensure a building is constructed effectively are documented in the International Building Code. How to prepare for a zero-trust model in the cloud. This pillar covers the operations processes that keep an application running in production. The Azure platform provides protections against a variety of threats, such as network intrusion and DDoS attacks. Use the pay-as-you-go strategy for your architecture, and invest in scaling out, rather than delivering a large investment first version. Cloud computing helps the enterprises - Move to an agile operating model and remove the traditional technology lock-ins You can use Cloud Functions to trigger a build process periodically, or The CSA CCM provides a controls framework that Horizontal scale must be designed into the system. A Cloud Reference Architecture, like the ones from IBM or the National Institute of Standards and Technology (NIST) of the United States Department of Commerce, structures the cloud business, starting from the set of involved actors. When you are designing a cloud solution, focus on generating incremental value early. Spreading VMs across fault domains limits the impact of physical hardware failures, network outages, or power interruptions. Image 1: Cloud Adoption Framework based on Enterprise Architecture. The Cloud Security Alliance Cloud Controls Matrix (CCM) is specifically designed to provide fundamental security principles to guide cloud vendors and to assist prospective cloud customers in assessing the overall security risk of a cloud provider. Audit all changes to infrastructure. Each actor has a defined role. This section of the architecture framework explains specific Google Cloud features and services that you can combine in different ways to optimize your Types of attacks to resist: An architecture built on good security practices should be resilient to attacks. Many Azure storage and DB services support data encryption at rest, including Azure Storage, Azure SQL Database, Azure Synapse Analytics, and Cosmos DB. When you are designing a cloud solution, focus on generating incremental value early. These principles support these three key strategies and describe a securely architected system hosted on cloud or on-premises datacenters (or a combination of both). Cloud Adoption Strategy. They should be automated to reduce the chance of human error. The framework consists of five pillars of architecture excellence: Cost Optimization, Operational Excellence, Performance Efficiency, Reliability, and Security. Praetorian has created a 8-pillar framework to simplify the assessment of multi-cloud environments across a broad client base. Cloud computing architecture refers to the components and subcomponents required for cloud computing. Every Azure subscription has a trust relationship with an Azure AD tenant. The Azure Well-Architected Framework is a set of guiding tenets that can be used to improve the quality of a workload. For example, you can scale out VMs by placing them behind a load balancer. Managed PaaS services often have horizontal scaling and autoscaling built in. Horizontal scaling has significant advantages over vertical scaling: An advantage of vertical scaling is that you can do it without making any changes to the application. Continue Reading. By using Key Vault, you can encrypt keys and secrets by using keys that are protected by hardware security modules (HSMs). You would then need to consider additional measures, such as optimistic concurrency or data partitioning, to enable more throughput to the database. Application state is distributed. Use the Performance efficiency checklist to review your design from a scalability standpoint. All systems must be observable. Learn more about Azure and the Cloud Adoption Framework by completing the following Microsoft Learn modules. How much will potential downtime cost your business? Scaling out can be triggered automatically, either on a schedule or in response to changes in load. Today we are making Google Cloud's Architecture Framework available to everyone. But at some point you'll hit a limit, where you can't scale any up any more. It also provides a set of AWS best practices for each pillar. In the realm of cloud infrastructure, Amazon has pioneered the AWS Well-Architected Framework. Equally important, you must be able to quickly roll back or roll forward if an update has problems. Enterprise architecture creates consistent standards for planning, designing, and deploying your workloads in the cloud. In traditional application development, there has been a focus on increasing the mean time between failures (MTBF). The Cloud Adoption Framework is a full lifecycle framework, supporting customers throughout each phase of adoption by providing methodologies as specific approaches to overcoming common blockers. This framework provides architecture best practices and implementation guidance on How much should you invest in making the application highly available? These services communicate through APIs or by using asynchronous messaging or eventing. VMs in an availability set are spread across several fault domains. 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