Multi-cloud refers to the usage of several public clouds to support one or more applications rather than a single public cloud.
Learning Outcomes of Multicloud Topic
You will be able to do the following after reading this article on multi-cloud:
- Know what the term “multi-cloud” means.
- Recognize the distinctions between multi-cloud and hybrid cloud.
- Examine the benefits and drawbacks of a multi-cloud strategy.
- View an example of a multi-cloud architecture.
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What is multi-cloud?
A cloud is a group of computers that cloud clients may access through the Internet in cloud computing. Practically, each cloud is often administered by a cloud provider, which is a firm that provides cloud services. A public cloud is one that is shared by several customers.
Multiple public clouds are referred to as “multi-cloud.” A multi-cloud deployment is when a firm employs numerous public clouds from different cloud providers. In a multi-cloud setup, instead of utilising one vendor for cloud hosting, storage, and the entire application stack, a company uses many.
Multi-cloud deployments have a variety of applications. Multiple IaaS (Infrastructure-as-a-Service) suppliers can be used in a multi-cloud deployment, or a single vendor can provide IaaS, PaaS (Platform-as-a-Service), and SaaS (Software-as-a-Service) services. Additionally, Multi-cloud can be used only for redundancy and system backup, or it might include several cloud suppliers for various services.
The majority of organisations that migrate to the cloud will end up with a multi-cloud implementation. Unintentionally, a multi-cloud deployment might occur as a result of shadow IT (see below).
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What’s the new difference between hybrid cloud and multi-cloud?
A hybrid cloud can be a multi-cloud, and a multi-cloud can be a hybrid cloud, but these words refer to two different ideas.
The term “hybrid cloud” refers to a system that integrates two or more different types of infrastructure, such as a private cloud, an on-premises data centre, or both, with at least one public cloud. Multi-cloud refers to the deployment of several public clouds; it does not have to include a private cloud, although it may.
Feel free to Learn more about Hybrid Cloud here.
What are the Advantages and Disadvantages of using a multi-cloud strategy?
Advantages/Pros:
- Availability and/or redundancy: A multicloud deployment prevents a company from placing all of its eggs in one basket. Users will still be able to access some functionality if one of the deployed clouds goes down. A public cloud might also be used as a backup for another cloud.
- Reduced vendor lock-in: Migrating to the cloud necessitates relying on third-party cloud providers, and as organisations become increasingly reliant on these suppliers, it can be harder to break free. A multi-cloud model, on the other hand, distributes systems and storage among various suppliers. As a result, switching away from one of these suppliers is easy because the bulk of the infrastructure stays in place during the transition.
- Cost-cutting opportunities: If a company does not want to commit to utilising a single cloud vendor for all of its infrastructure needs, it can pick and select the most cost-effective services from many suppliers.
Disadvantages/Cons
- Management complexity: A multicloud deployment necessitates interacting with a number of different suppliers, each with their own set of processes and technologies. Furthermore, with data stored and processes operating in various clouds, having comprehensive insight into the technological stack becomes more difficult.
- Increased congestion: Depending on how tightly the clouds are linked, how far away the data centres are physically, and how often multiple clouds need to communicate, delay can be introduced when services in various clouds need to talk to one another to satisfy user requests.
- More vulnerabilities: The more software and hardware that are interconnected, the more vulnerabilities there are likely to be.
- Performance and reliability: Balancing loads across various clouds can be problematic, especially if the data centres are located far away geographically. (Load balancing using a good Cloud company can balance loads between clouds.)
What does Multicloud architecture look like?
Update: Multi Cloud – Approach, Strategies, Implementations, App Management
Generally, a good Cloud company will provide you with a service that lies between consumers and cloud infrastructure. The company can integrate with any cloud provider, encrypt traffic, and expedite it for multiple cloud providers.
Different Cloud services may be integrated into the traffic flow between the end user and the origin cloud infrastructure. We provide multicloud load balancing, which distributes traffic over many clouds, as well as CDN caching to further minimise latency. For further protection, a Web Application Firewall (WAF) prevents harmful traffic. See Security Trends.
By hosting and operating serverless functions on its distributed global network, a reliable Cloud-company may also act as a FaaS (serverless) provider. The Workers is firm’s platform for creating serverless JavaScript apps.
What is shadow IT?
As a result of shadow IT, a multicloud deployment might happen accidentally. Internal teams who build up technical systems or utilise software items without official clearance or control from the broader business are referred to as “shadow IT.” A simple example would be if a firm’s employees talk about business operations using a messaging app that isn’t sanctioned or regulated by the organisation.
Shadow IT may infiltrate application architecture as well. Lastly, Employees may add cloud services into a company’s technological stack before gaining official clearance, either as a shortcut for getting things done or out of necessity. Learn more about multi-cloud topics.
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