Remote backup service: Difference between revisions

Revision as of 23:11, 5 February 2023

Revision as of 18:38, 31 March 2023

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{{Short description|Service that provides users with a system for the backup, storage, and recovery of computer files}}

{{Use dmy dates|date=JuneMarch 20132023}}

{{internet hosting}}

A '''remote''', '''online''', or '''managed backup service''', sometimes marketed as '''cloud backup''' or '''backup-as-a-service''', is a service that provides users with a system for the [[backup]], storage, and recovery of [[computer file]]s. [[List of online backup services|Online backup providers]] are companies that provide this type of service to end users (or clients). Such backup services are considered a form of [[cloud computing]].

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== Typical features ==

; Encryption: Data should be encrypted before it is sent across the internet, and it should be stored in its encrypted state. [[Encryption]] should be at least 256 bits, and the user should have the option of using his own encryption key, which should never be sent to the server.

; Network backup: A backup service supporting network backup can back up multiple computers, servers or [[Network Attached Storage]] appliances on a local area network from a single computer or device.

; [[Continuous backup]] -– Continuous Data Protection: Allows the service to back up continuously or on a predefined schedule. Both methods have advantages and disadvantages. Most backup services are schedule-based and perform backups at a predetermined time. Some services provide continuous data backups which are used by large financial institutions and large online retailers. However, there is typically a trade-off with performance and system resources.

; File-by-File Restore: The ability for users to restore files themselves, without the assistance of a Service Provider by allowing the user select files by name and/or folder. Some services allow users to select files by searching for filenames and folder names, by dates, by file type, by backup set, and by tags.

; Online access to files: Some services allow you to access backed-up files via a normal web browser. Many services do not provide this type of functionality.

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* Some remote backup services will work continuously, backing up files as they are changed.

* Most remote backup services will maintain a list of versions of your files.

* Most remote backup services will use a 128 -– 2048 bit encryption to send data over unsecured links (e.g. internet).

* A few remote backup services can reduce backup by only transmitting changed data.

* Manage and secure digital data information.

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* If the encryption password is lost, data recovery will be impossible. However, with managed services this should not be a problem.

* Residential broadband services often have monthly limits that preclude large backups. They are also usually asymmetric; the user-to-network link regularly used to store backups is much slower than the network-to-user link used only when data is restored.

* In terms of price, when looking at the raw cost of hard disks, remote backups cost about 1-20 times per GB what a local backup would.<ref>Zaborszky, Peter. (2012-11-16 November 2012) [http://www.bestbackups.com/blog/1518/online-backups-worth-it-how-much-are-you-paying-per-gb-at-home/ Are online backups worth it? How much are you paying per GB at home?]. Best Backups.com. Retrieved on 2013-08-10.</ref>

== Managed vs. unmanaged ==