cloud architecture examples

As both the components are independent integrity units, AC1 is deployed on AWS using AWS S3. Cloud applications are best deployed as a collection of cloud services, or APIs. While many understand the concepts, developers still have a tendency to create tightly coupled applications that focus on the user interface, rather than expose t… [7], Data as a service is web based design construct where cloud data is accessed through a defined API layer. Single server templates represent the use of one server, virtual or physical, that contains a web server, an application, and a database. Cloud computing architecture refers to the components and subcomponents required for cloud computing. These components typically consist of a front end platform, back end platforms, a cloud-based delivery, and a network. As both the components are independent integrity units, AC1 is remains on-premise while two AC2 are deployed on AWS and Azure for disaster recovery. It is using AWS S3 for storage and has option available for compute either AWS or Azure. The multi-cloud platform allows organizations to select the best services from every cloud platform, create custom infrastructure specific to their organizational goals. Learn about progressive web apps (PWAs) and their architecture along with examples of popular PWAs and best practices for developing them. Hybrid and multi-cloud architecture patterns (this article) ... some situations it makes sense to combine Google Cloud with another cloud provider and partition your workloads across cloud environments. 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. Different on-premise applications A1/A2, AC1 are re-architected as a portfolio and deployed on cloud environment. CLOUD ARCHITECT. Multi-cloud strategy is the concomitant use of two or more cloud services such as AWS, Azure, Google Cloud and more. 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On-premise vs Cloud-based Call Centers: How to Choose One? Why You Need to Build a Virtual Call Center Software? Learn more Multi-cloud strategy is particularly effective if enterprises dealing with below challenges: In order to build highly scalable and reliable applications, a multi-cloud architecture design is appropriate. SaaS is scalable, and system administrators may load the applications on several servers. How Netflix manages such a huge collection of videos and provides a great streaming experience without disruptions? How it can be done? [9] Such systems are based on simplified encryption methods that target listed data sequences over multiple passes. AWS architecture diagrams are used to describe the design, topology and deployment of applications built on AWS cloud solutions.. Love this resume? This is the most basic one, you can use additional server depending on the application. 3rd Place, Open International Contest for Standard Housing, 2015. Example: Big data storage, traffic control mechanism, virtual machines, etc. But to take advantage of multi-cloud benefits, it is very important to manage and monitor your cloud deployment and costs. [7], Infrastructure as a service is taking the physical hardware and going completely virtual (e.g. Facing regulations limit in particular countries for storing data, e.g., EU. When application users are distributed worldwide and data transfer is done from single data center, lots of users will experience slow response time. Scientific Bug Hunting in the Cloud: An Unexpected CEO Adventure. Cloud-based application is not resilient which can affect disaster recovery when loss of a single data. Reduced operation and maintenance costs for shared components is another benefit. Recursive Limited, 2011. Enterprise Cloud Computing: Technology, Architecture, Applications. For the following steps, developers generate types according to these plans in a cloud database. The Cloud Architect sample questions will familiarize you with the format of exam questions and example content that may be covered on the exam. Non-redundant architecture which consist of single server for each tier are only for testing the interactivity between each tier of your application. Awesome AWS Cloud Solutions Architect/Cloud Security Professional with Six (6)+ years of experience working as a Clou­­­­d Solutions architect/DevOps Engineer with breadth of experience across the Enterprise IT in multiple of the following areas: Software design or development; Infrastructure architecture; Database architecture; Networking; IT Security; Enterprise Applications; and Analytics. This is the first blog of our three blog series on multi-cloud system architecture. This page was last edited on 17 October 2020, at 23:38. Your AWS Cloud architecture design needs to be well thought out because it forms the backbone of a vast network. Further, the interface abstracts the location of the storage such that it is irrelevant whether the storage is local or remote (or hybrid). Software-as-a-Service (SaaS) is probably the most well-known application for cloud computing. Event-based cloud automation 1/14/2020 The more efficient it becomes; the more multi-cloud computing will evolve. You build up from the data to the services and then combine those services into composite services or complete composite applications.This is service-based or service-oriented architecture, at its essence. A cyber attack can take down all the operations for a long-time leaving end users inaccessible until it resolves. Organizations can leverage cloudbusting, in which application workloads burst into the public cloud for additional compute resources after they reach a threshold level in private cloud. This architecture and design guidance example is a continuous integration and deployment pipeline for a two-tier .NET web application to the Azure App Service. Now before moving to the Multi-cloud architecture, just have a brief understanding of basic cloud architecture models. The most fascinating experience of cloud is its horizontal Auto Scaling feature. Benefits: It provides consistent information and rules in shared components. Cloud storage is generally deployed in the following configurations: public cloud, private cloud, community cloud, or some combination of the three also known as hybrid cloud. Let’s take a look at some of the prominent multi-cloud architectures and migration strategy. This differs from enterprise architecture that may include long term roadmaps that take many years to implement. Most of these architectures can be built using existing ServerTemplates that are available in the MultiCloud Marketplace.Each application is unique and will have a custom set of requirements. This means you can use Google cloud to serve your US users and Microsoft Azure for your customers in Europe. In this architecture application component is re-hosted on cloud platform and use other cloud services of multiple cloud platform to enhance capabilities. The architect builds the foundation on which the front-end and back-end platforms communicate with each other working in tandem with cloud-based delivery systems and the cloud network, all of which comprise cloud architecture. So, let’s start Cloud Computing Architecture. The sample questions do not represent the range of topics or level of difficulty of questions presented on the exam. Once an organization defines a steady-state workload pipeline to run an application, it may choose to bring the application to on-premise systems. In this blog, you will get to know about multi-cloud architecture design for different organizational requirements. The ease of use, upfront, subscription based pricing and lowered costs make SaaS one of the most attractive sectors in all of business and tech. These clients are servers, fat (or thick) clients, thin clients, zero clients, tablets and mobile devices that users directly interact with. Professional Cloud Architect. Multi-Cloud architecture provides an environment where businesses can build secure and powerful cloud environments outside the traditional infrastructure. Environment where public clouds are used with on-premises resources. This is called Redundant 3-Tier architecture, used in production environment. Before adopting the Multicloud strategy, you should do a performance analysis of your workloads that are either on-premises or already in the cloud and comparing that to what’s available in each cloud. Multi-cloud environments come with their challenges—complexity, resources, expertise, cost, and management issues, to name a few—and management seems to be the common denominator. In the second blog, we have discussed Strategies to manage Multi-cloud environment effectively. Benefits: Improves availability as application re-hosting in multiple cloud platforms and avoid vendor lock-in. In this architecture AC1 has been deployed on-premise and two re-architected AC2 are deployed on two cloud platforms AWS and Azure. Cloud computing architecture refers to the components and subcomponents required for cloud computing. Products Programmable Media Experience Powerful image and video APIs for editing, hosting, and global content distribution for Websites and Cloud Apps. For example, some database requires cold storage which is not accessed regularly while hot data accessed 10 times a day and must be stored in frequently-accessed storage, e.g., AWS S3 standard storage. [1], The zero or ultra-thin client initializes the network to gather required configuration files that then tell it where its OS binaries are stored. Just for the info, multi-cloud architecture is different from multi tenant architecture. This enables the application to continue to function using secondary deployment when there is a failure with the primary platform using cloud brokerage services. When you implement this solution from the ova file in your production environment, make sure you are not choosing the “Combined” configuration type, instead you need to choose the “Manager node with vCloud Director Support’ configuration (icon # 6 in the RA), you’ll see the configuration description showing “The H4 Management Node. This is the equivalent to locally installed development tools in the traditional (non-cloud computing) delivery of development tools. This gives you the ability to grow or shrink number of server resources on demand, and this work is done by load balancer. Professional Summary. View image at full size The IBM reference architecture identifies the following roles: 1. Copyright © 2020 Simform. Different Multi-cloud use cases can be leveraged to offer IT teams increases flexibility and control over workloads and data. 100% questions are the real and include highlighted answers. In the above architecture we can have multi-datacenter, each having its own load balancer tier, Application tier and Database tier. Users are not located near any data center, or widely distributed geographically. It cannot be arbitrarily designed. Competitions . 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 network (Internet, Intranet, Intercloud). For certain use cases, organizations require a combination of a private and public cloud to leverage unique benefits offered by them. And working across different clouds across various platforms brings a whole lot of challenges in its wake. all servers, networks, storage, and system management all existing in the cloud). Though toggling between cloud providers to perform tasks can be complicated, especially right out of the gate, cloud service providers are working to make toggling between clouds increasingly efficient. Reese, G. (2009). AWS diagram examples. For example, to add faster backup functionality in my app, I have used Striped Volume set at the database tier. Publications "Function vs Kitsch,", 2014. National Institute of Standards and Technology, U.S. Department of Commerce", "Virtualized Enterprise Storage for Flexible, Scalable Private Clouds. For example, in a Disaster recovery scenario, an organization can keep its recovery environment in a public cloud and production environment in a private cloud, ready to spin up as necessary. In fact, the International Data Corporation predicted in a futurescape report last year that multi-cloud adoption will increase drastically and more than 85% of enterprise IT corporations will invest in multi-cloud architecture by 2020. SaaS typically involves a monthly or annual fee. Features: The exams will evaluate proficiency, while also teaching certification material. Every question includes a detailed analysis and explanation, which is provided upon exam completion. This capability is especially useful for global organizations that need to serve data across geographically disparate locations while maintaining a unified end-user experience. Challenges: Lack of business commitment to shared capabilities. [11], Platform as a service is cloud computing service which provides the users with application platforms and databases as a service. As in the above cloud architecture diagram, for failover and recovery purpose we have used redundant server at each tier. Summary: This course provides six practice exams.Each exam contains over 50 randomly selected questions. Solution architecture is a structural design that addresses a set of functional and non-functional requirements.Generally speaking, solution architecture is immediately implemented as a program, project or change. Cloud Computing Architected: Solution Design Handbook. Combined, these components make up cloud computing architecture. NIST Special Publication 800-145 (September 2011). The parallel design enables better throughput to multi-cloud platforms. Cloud Architect Resume Example Resume Score: 60%. Generally, the cloud network layer should offer: CS1 maint: multiple names: authors list (, O. Terzo, P. Ruiu, E. Bucci and F. Xhafa, "Data as a Service (DaaS) for Sharing and Processing of Large Data Collections in the Cloud,". [4] This is equivalent to middleware in the traditional (non-cloud computing) delivery of application platforms and databases. Here application needs to re-architected as fine-grained components so that deployment of high-usage components can be optimized independently. Essentially, SaaS products distribute data online, and are accessible from a browser on any device, which allows those companies to continue to host the software. Enterprises increasingly want to take advantage of the flexibility and choice of multiple cloud offerings in order to use the best cloud services and reduce the cost in software development. A thought leader, Jignesh leads Simform's Product Engineering team by DevOps Institutionalization, end-to-end product development and consulting led transformation programs. 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 network (Internet, Intranet, Intercloud). Here are 5 things to keep in mind when building an effective multi-cloud environment. Knowledgeable Storage Architect with ten years of total storage experience in building out on-premise and cloud storage solutions. Strategies to manage Multi-cloud environment effectively, Tips for Managing Your Multi-Cloud Environment, Building an IT infrastructure [Converged, Hyper-converged and Public Cloud]. It gets risky when an organization uses one cloud platform to manage all organisational resources. DaaS services are often considered as a specialized subset of a Software as a Service (SaaS) offering. Also read: Building an IT infrastructure [Converged, Hyper-converged and Public Cloud]. It makes sense for organizations to use public cloud resources for a new, untested application before embarking on the capital expenditure associated with launching in a private cloud. Or you might use Azure SQL for your databases and Cognito for user management while using AWS EC2 instances and Load Balancing, all for a single application. These cloud architecture posters give you information about Microsoft cloud services, including Microsoft 365, Azure Active Directory (Azure AD), Microsoft Intune, Microsoft Dynamics 365, and hybrid on-premises and cloud solutions. The consistency of Azure Stack with Azure infrastructure and platform services enable you to scale resources cross cloud to meet increased load as needed, and decrease resources as demand drops. These client platforms interact with the cloud data storage via an application (middle ware), via a web browser, or through a virtual session. ... Now you don’t need to struggle with generic drawing tools for AWS architecture. This will mitigate the need for a data center, heating, cooling, and maintaining hardware at the local level.[7]. Conferences . Highly recommend everyone should exam soon. These architectures are commonly deployed for development work, allowing developers to quickly build functionality without having to deal with connectivity and communication issues betwee… Challenges: On-premise application is modernized in isolation. You can make use of the free AWS Architecture diagram examples and templates as a starting point to create your own AWS Architecture diagrams. Deploy one of these if you need to configure replications to/from vCD”, H4 represents the vCloud Availability Replicator or Manager (C4 is for vCloud Availability vApp Re… Your email address will not be published. The basic cloud architecture which is quite common around the web is 3-Tier architecture. Examples of Cloud Storage Ex: Dropbox, Gmail, Facebook The number of cloud storage providers online seems to grow every day. Google Cloud Platform - Professional Cloud Architect - Practice Exams. Normally publishers set out different production plans based on consumer needs. Your email address will not be published. Virtual sessions in particular require secure encryption algorithm frame working which spans the entire interface. Each workload is running on the ideal cloud, but now you have multiple clouds to manage. Having multiple cloud providers increases low-level maintenance and monitoring tasks. ", "The NIST Definition of Cloud Computing. The Cloud Computing architecture diagram below will give you a brief about the cloud: Cloud storage (or data storage as a service) is the abstraction of storage behind an interface where the storage can be administered on demand. You can have your development and test environments on one cloud, and your production environment on another. A good AWS cloud architecture design should take advantage of some of the inherent strengths of cloud computing – elasticity, ability to automate infrastructure management etc. This is the equivalent to infrastructure and hardware in the traditional (non-cloud computing) method running in the cloud. Of these, flex tenancy is considered the most user adaptive SaaS paradigm in designated multi-input four way manifold models. You are running a workload that requires large pools of storage and networking resources on a private cloud. Here AC1 and AC2 are two application components hosted on-premise before migration. There is one dedicated server for each tier. In addition, you can run your app primarily on Digital Ocean but is completely replicated and backed up on AWS. Using Hybrid cloud, organizations can access highly elastic compute resources from the chosen provider, perhaps for managing and storing additional workloads at peak times and for general day to applications. This sample question set provides you with information about the Professional Cloud Architect exam pattern, question formate, a difficulty level of questions and time required to answer each question. Architect Resume Sample "Other" Sections . On the first pass, both may appear same and these terms used interchangeably by some, but they are not the same. As a result, you can identify the options that will meet your workload performance requirements at the cheapest cost. Challenges: This architecture does not guarantee seamless failover. Below you will find several sample diagrams of cloud-based solution architectures that you can build with the RightScale platform using both public and/or private cloud infrastructures. Also, some companies may start using specific cloud providers for short time to achieve short-term goals and then stop using it. Multi-cloud represents more than 1 cloud deployment of the same type and it can be public or private cloud, sourced from different cloud providers. Multi-cloud management is another aspect, which involves monitoring the cost of cloud deployment. AC1 and two AC2 components are connected via EBS or Service bus. Cloud computing lets you focus on your own customers, rather than on the heavy lifting of racking, stacking, and powering servers. 01 April 2020, We release guarantee part include 122 real questions are collected in our Google Professional Cloud Architect (PR000088) exam. In this scenario, you’re optimizing your workload so it runs in the right environment at the right time. Modernization is performed primarily for technical reasons. Also, these are easy to automate, move, and. We have added Server Arrays to set up a particular tier of architecture to autoscale based on predefined alert conditions. As multi-cloud offers flexible cloud environment, organizations can meet specific workload or application requirements- both technically and commercially- by adopting it. Component architecture which is only determined bottom-up may need to be re-evaluated because of multi-cloud environment. … The following are illustrative examples of solution architecture. There is one dedicated server for each tier. We have prepared Google Professional Cloud Architect (GCP-PCA) certification sample questions to make you aware of actual exam properties. Prepare for Your Exam: Google Professional Cloud Architect Guarantee … Hybrid cloud architecture provides maximum agility for meeting the needs of the organizations by providing infrastructure where IT operations can be automated to improve the user experience. In this architecture, application component is hosted on-premise and after migration, it can use different cloud services of other cloud platforms to improve performance. Also streaming from local datacenter giver faster viewing experience. Each actor has a defined role. [2] The entire zero client device runs via the network. Here are some examples: To avoid committing to a single vendor, you spread applications across multiple cloud providers. Along with security management, this part of cloud architecture design also engages in traffic management. An example is the LAMP Stack (Linux, Apache, MySQL, PHP). "How Tech is Changing Architecture," Domestic Space, 2016. Focus on policy standardisation that are applied automatically to each cloud environment. "Wyse hopes to shake up the thin client industry with a new zero client platform. Both Multi and Hybrid cloud approaches are not mutually exclusive: You can have both, simultaneously. Unlike traditional apps, cloud-native apps are flexible and service-oriented, comprised of collections of containers and services, based on a scale-out architecture. Cloud Architect Resume Examples. The architecture consists of 3 major tiers – Load balancer server, Application Server, Database Server. Moreover, we will learn important components of Cloud Computing architecture and some cloud-based delivery like Saas, PaaS, IaaS. Reprinted from Dell Power Solutions, 2012 Issue 1", "Tuesday's Tip: Understanding The Many Flavors of Cloud Computing and SaaS", "Understanding the Flex Tenancy Architecture by CITRIX", "Multi-tenant Data Authentication Model for SaaS", "Datacenter Traffic Control: Understanding Techniques and Trade-offs,", "Flex-Tenancy: Secure Multi-Tenancy Network Environments",, Creative Commons Attribution-ShareAlike License. The examples in this section do not rule out more diverse target architectures, but do require an architectural design that will promote a separation-of-concerns between the productive SAP Commerce Cloud subscription and additional components that the individual project relies on (not provided by SAP Commerce Cloud). 24 July 2020, Update answers 78, 89 ,97 , 104, 106, 108, 113. In a multi-cloud environment, cloud architects can deploy data centers to multiple regions according to user locations. While architecture diagrams are very helpful in conceptualizing the architecture of your app according to the particular AWS service you are going to use, they are also useful when it comes to creating presentations, whitepapers, posters, dashsheets and … The architecture consists of 3 major tiers – Load balancer server, Application Server, Database Server. Will it work? Understand the Business Needs 2. Sebastopol, CA: O'Reilly Media, Inc. (2009). Finally, all done products will … [10] The simplicity of this concept makes flex tenancy SaaS popular among those without informatics processing experience, such as basic maintenance and custodial staff in franchise businesses. Cloud computing architecture refers to the components and subcomponents required for cloud computing. [4], In order to be effective, the cloud storage needs to be agile, flexible, scalable, multi-tenancy, and secure. Hybrid cloud is a mix of public and private cloud that connects the public cloud such as AWS to your on-premise system and is orchestrated to perform together for a single task. Enterprise Architecture Example - Cloud Cube Process Here is another enterprise architecture diagram example showing how different agencies and parties cooperate with products or services. Benefits: Optimal scalability/performance, range of multi-cloud deployment options, agility to respond to business/IT change. The users' client machines require no installation of any application-specific software since cloud applications run in the cloud. Cloud architecture: Example 1 3m 10s Cloud architecture: Example 2 3m 7s Skills, tools, and processes 4m 28s 2. Build Your Own Now. It helps building system in which your server, network, storage, operations, security, and applications teams work according to common goals. To provide better QoS, an on-premise application is re-architected for deployment on multiple cloud platforms. Our objective is to provide architectural guidance for migrating cloud-based systems that run on multiple independent clouds. Here AC1 and AC2 are two application components hosted on-premise before migration. Moreover, cloud customers can use hybrid clouds to promote high availability (HA) and disaster recovery (DR). [6], Software as a service provides the equivalent of installed applications in the traditional (non-cloud computing) delivery of applications. There will be downtime. Every month we share top blogs, useful tips, and eBooks for CTOs, business owners, and tech leaders. All Rights Reserved. Here application component C1 is been hosted on-premise but after adopting multi-cloud, it uses AWS storage service AWS S3 and for compute, it uses Azure virtual machines. Optimise cost and maximise resource efficiency while remaining compliant with cross cloud architecture. Here application component C1 is re-hosted on AWS platform after migration and open to use environmental services of Azure. Each competing over the amount of storage they can provide to clients. There will delays when data traffic has to travel across several nodes before reaching end-users. With the enterprise hurtling towards digital transformation at breakneck speeds, the adoption of cloud, both public and private, has accelerated. This is because of its multi-data centers located geographically around the world which backups each other in case of any disaster. But all the mission-critical stuff remains on-premise infrastructure for multiple reasons like privacy regulations and security. Automatic Call Distribution System: How to Leverage it for a Contact Center? There are different data types generated in the organization. Combined, these components make up cloud computing architecture. Since the role is critical to the functioning and success of cloud services, the role comes with a high level of responsibility, as well as reward. Cloud computing architectures consist of front-end platforms called clients or cloud clients. The policies cover such areas as data storage, workloads, traffic flows, virtual servers, compliance/ regulations, security and reporting. [3], An online network storage where data is stored and accessible to multiple clients. A re-architected application is deployed partially on multiple cloud environments and enables the application to continue to function using secondary deployment when there is a failure with the primary platform. Look at the below image. 2nd Place, Tomorrows Challenges in Today's Buildings Competition, 2016. It’s better to automate them. In the past, each customer would purchase and load their own copy of the application to each of their own servers, but with the SaaS the customer can access the application without installing the software locally. Maximizing the impact of multi-cloud, however, means tackling the challenges of app sprawl, unique portals, compliance, migration and security head-on. Here Cloud broker services integrates all three components and provides flexibility to choose services from multiple providers (Cloud platforms AWS and Azure). Here we’ve explained the differences, which are subtle but very distinct, between the two. You can run different app on different clouds. Alibaba Cloud architecture diagram is widely used in communicating about the design and deployment of IT solutions that use Alibaba Cloud. The main goal multi-cloud strategy is to use as many clouds as per requirements to address the limitations of using one cloud from a single provider. Analyze your entire network, and then identify which service of particular cloud provider is the best for your specific requirement, to avoid system complexity and poor utilization of resources. The Cloud Service Creator who develops new services to be consumed through the cloud infrastructure 2. In other words, businesses pay a fee (monthly or annually) to run virtual servers, networks, storage from the cloud. Business adopt Multi-cloud to mix and match a range of public and private clouds to use best of breed applications and services. This creates a single point of failure, in that, if the network goes down, the device is rendered useless. The Cloud Service Provider who administers and operate… Rather than managing business processes to fit a specific provider’s setup and execution, businesses can explore different providers to find the best match for each part of business operations. Cloud Architects work with designers to help companies secure their cloud computing platforms. It is important to reap benefits of multi-cloud. At the same time, you have another workload running on Amazon’s service and yet another on Microsoft’s. Cloud Application Architectures: Building Applications and Infrastructure in the Cloud. That gets attention … The datacenter closest to end-users can serve the requested data with minimum server hops. Single server architectures are not very common, as they have inherent security risks as one compromise can compromise all. With Lucidchart Cloud Insights, you can understand and optimize your cloud architecture through up-to-date, interactive diagrams that provide a uniform view across your organization. Rather than lump all your data into one cloud, you can diversify to take advantage of the right service for the right function. When you use multi-cloud architecture, it makes your company’s services resilient against these types of cyber attacks because there are other clouds available to take the workloads when one cloud goes down. The basic cloud architecture which is quite common around the web is 3-Tier architecture. In fact, Most organizations seek to improve security and performance through an expanded portfolio of environments. In our last tutorial, we discussed thebest Cloud Computing Tutorial.Here, we will explore Cloud Computing architecture with diagram and example. Former we have already discussed, later refers to software architecture in which a single instance of software runs on a server and serves multiple tenants. Here deployment of high-usage components is optimized independently of low-usage ones. On the other hand, AC2 is deployed on Azure and it can use any Azure’s cloud service as per requirements. Lack of understanding of cloud technology is the most basic one which CTO’s face. Shroff, Dr. Gautam. Benefits: As unhealthy services become healthy again, traffic can be delivered, returning system responsiveness to maximum. The organization replicates data across to the public cloud, but all other resources remain non-operational until needed. It defines how UIT servers should be built, configured, and operated - whether physical, virtual, or containerized, on campus o… Below are three industry leaders in cloud SaaS products. This delay, called latency is inherent in cloud services delivered from servers at distant locations. AIA Conference 2017; WIDA 2016 . Highly-skilled Cloud Architect with over three years of total experience in building cloud solutions in both AWS and OpenStack. Additionally, vendor lock-in concerns and possible cloud provider outages are two issues that pop up frequently when IT leaders advocate for multi-cloud strategy. This document provides an overview of Cloud Architecture principles and design patterns for system and application deployments at Stanford University. Identify the apps in your organization that are best suited for multi-cloud environment. Use integrated data center management system designed for virtual environments. [7], Software as a service has four common approaches:[7][8]. Rhoton, J. and Haukioja, R. (2011). A re-architected application is deployed partially on multiple cloud environments. For example, You can save money by running spot instances for workloads designed to be fault tolerant, while running legacy workloads on reserved instances. Development as a service is web based, community shared tool set. It is meant to be applicable to a range of commodity on-demand computing products in the product category known as IaaS (Infrastructure-as-a-Service). [5], The software-as-a-service (SaaS) service-model involves the cloud provider installing and maintaining software in the cloud and users running the software from cloud over the Internet (or Intranet). Organizations also see geographic advantages to using multiple cloud providers, to address app latency problems.

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