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Vinchin Blog Cloud Disaster Recovery

Cloud Disaster Recovery

2020-09-29

For the "cloud", another concept has to be introduced -- virtualization, which is the foundation of cloud computing.

Virtualization is through the corresponding virtualization technology, the hardware, software for isolation, extension, hosting, classification, so as to make full use of resources. Take CPU virtualization technologies: Intel's VT-X, AMD's AMD-V. Virtualization of software: VMWare, Hyper-V, Xen, KVM, etc.

Under the support of virtualization, after virtualizing multiple server entities in local or different places, they can form a resource pool, share resources, and jointly compute, which is now called "cloud computing". Before cloud computing, there are also words of "server cluster", "common computing" and other similar functions.

For this specific virtualization technology, cloud computing is more of a business model changes, rather than technical, such as no longer sold to sell software in the form of authorization, the size of the data center no longer depends on how many servers, and so on, so you will find very cloudy computing enterprise in the process of technology development, application of the most is still the most common technology such as C, C + +.

In the traditional IT architecture, there are obvious layers, including the storage layer, system layer, application layer, etc., for different levels, that is, there will be different ways of disaster preparedness. This concept of layers also exists in cloud computing:


SaaS versus the public cloud

SaaS(Software-as-a-Service), which is the top layer of cloud computing, can also be understood as the application layer of traditional IT architecture. In fact, the browser we use can be considered as a kind of SaaS, so the essence of SaaS is still software. Through SaaS this model, users connected to the network, and through the browser, you can directly use applications running on the cloud, and the supplier shall be responsible for the maintenance and management of software and hardware facilities in the cloud, and on the basis of free or need to use the way to the user fees, so the user does not need to concern such as installation, upgrades, and anti-virus, and was relieved from the high initial investment in hardware and software license fee.

In the disaster preparedness system, the storage mode of backup data is still a key. With the rise of public cloud, SaaS enterprises can directly buy their own data center in the cloud and then rent it to users, which is the most basic mode of SaaS and public cloud disaster preparedness.


IaaS and private clouds

IaaS(Infrastructure as a Service), the bottom layer of cloud computing, can also be understood as the storage layer of traditional IT architecture. Compared with the "apartment" in the public cloud, many enterprises hope to see their "villa" in the cloud with sufficient budget investment. Therefore, at this time, the cloud disaster preparedness needs more recourse to open source code platform for construction.


Both public clouds and private clouds, whether SaaS or IaaS, is not the end of the cloud disaster preparedness, from the point of view of technology and mode, the more there are no relative differences, the crux of the problem is, how to find suitable for their own business requirements of disaster preparedness plan of cloud, Vinchin Backup & Recovery v6.0 can provide you with a full range of data protection solution and disaster recovery system, including the virtualization and cloud, as a vendor of SaaS, Vinchin provides the most basic Backup and restores functions under the virtualization environment, including Instant VM Recovery, incremental Backup, Data Deduplication, and Compression as well as File Level Granular Recovery, while the latest Vinchin Backup & Recovery V6.0 is available for archiving into the cloud,you can archive the local backups to either on-premises or cloud object storage for long term retention.


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  • Cloud

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