Cloud Sync vs Cloud Backup – Differences Explained
“There is still a lot of confusion in the space about what exactly the “cloud” is – and how different services interact with it. When folks use a syncing and sharing service like Dropbox, Box, Google Drive, OneDrive or any of the others, they often assume those are acting as a cloud backup solution as well. Adding to the confusion, cloud storage services are often the backend for backup and sync services as well as standalone services. To help sort this out, we’ll define some of the terms below as they apply to a traditional computer set-up with a bunch of apps and data.
Cloud Sync (ex. Dropbox, iCloud Drive, OneDrive, Box, Google Drive) – these services sync folders on your computer to folders on other machines or to the cloud – allowing users to work from a folder or directory across devices. Typically these services have tiered pricing, meaning you pay for the amount of data you store with the service. If there is data loss, sometimes these services even have a rollback feature, of course only files that are in the synced folders are available to be recovered.
Cloud Backup (ex. Backblaze Cloud Backup, Mozy, Carbonite) – these services work in the background automatically. The user does not need to take any action like setting up specific folders. Backup services typically back up any new or changed data on your computer to another location. Before the cloud took off, that location was primarily a CD or an external hard drive – but as cloud storage became more readily available it became the most popular storage medium. Typically these services have fixed pricing, and if there is a system crash or data loss, all backed up data is available for restore. In addition, these services have rollback features in case there is data loss / accidental file deletion.
Cloud Storage (ex. Backblaze B2, Amazon S3, Microsoft Azure) – these services are where many online backup and syncing and sharing services store data. Cloud storage providers typically serve as the endpoint for data storage. These services typically provide APIs, CLIs, and access points for individuals and developers to tie in their cloud storage offerings directly. These services are priced “per GB” meaning you pay for the amount of storage that you use. Since these services are designed for high-availability and durability, data can live solely on these services – though we still recommend having multiple copies of your data, just in case.”
What is The Difference Between Cloud Sync and Backup?
“Users may have a folder on their computer that is designated for Dropbox, Google Drive, OneDrive, or one of the other syncing/sharing services. Users save or place data into those directories when they want them to appear on other devices. Often these users are using the free-tier of those syncing and sharing services and only have a few GB of data uploaded in them.
Users are paying for extended storage for Dropbox, Google Drive, OneDrive, etc… and use those folders as the “Documents” folder – essentially working out of those directories. Files in that folder are available across devices, however, files outside of that folder (e.g. living on the computer’s desktop or anywhere else) are not synced or stored by the service .
What both examples are missing however is the backup of photos, movies, videos, and the rest of the data on their computer. That’s where cloud backup providers shine, by automatically backing up user data with little or no set-up, and no need for the dragging-and-dropping of files.”
“The most important feature to think about is how easy it is to get your data back from all of these services. With sync and share services, retrieving a lot of data, especially if you are in a high-data tier, can be cumbersome and take a while. Generally, the sync and share services only allow customers to download files over the Internet. If you are trying to download more than a couple gigabytes of data, the process can take time and can be fraught with errors.
With cloud storage services, you can usually only retrieve data over the Internet as well, and you pay for both the storage and the egress of the data, so retrieving a large amount of data can be both expensive and time consuming.
Cloud backup services will enable you to download files over the internet too and can also suffer from long download times.”
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h/t to backblaze.com for the information sourced!
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