Advantages of Remote Backup Service
Remote backup provides advantages over conventional backup methods:
- Remote backup doesn’t need input from the user. The consumer has no need to alter tapes, mark CDs, or do other manual measures.
- Unlimited retention of data (assuming the provider of the backup is still in business).
- Some remote backup services will continue to work, backup files as they change.
- Most of the remote backup services keep a list of versions of your files.
- Most remote backup services can transfer data over unsecured links (e.g. internet) using a 128-448 bit encryption.
- A few remote backup services can reduce backup by conveying only changed data.
- Manage and secure the information in digital data.

Disadvantages of Remote Backup Service
Remote backup has some inconveniences over conventional backup methods:
- The data restore can be sluggish, depending on the available network bandwidth. Since data is stored offsite, the data must be retrieved from the online backup service provider either via the Internet or via a disk shipped from it.
- Many providers of backup services have no guarantee that the stored data are kept confidential.
- A remote backup service provider can go out of business or be acquired which may affect the usability of one’s data or the cost of continuing to use the service.
- When the password for encryption is lost, retrieval of the data would be impossible. Yet that shouldn’t be an issue for managed services.
- Often, residential broadband providers, have monthly caps preventing massive backups. Typically they are asymmetric as well; the user-to-network link that is frequently used to store backups is much slower than the network-to-user link that is only used when data is restored.
- When looking at the raw cost of hard disks in terms of size, remote backups cost about 1-20 times a GB what a local backup would cost.
Factor in the expense
Online backup services are typically priced as a feature of:
- Backed the total amount of info.
- The cumulative sum of data recovered.
- The number of machines that the backup service covers.
- The maximum number of versions which are kept for each file.
- Data preservation and time archiving options
- Backup management vs. Unmanaged backups
- The quality of service available and the features
Some vendors restrict the number of file versions that can be held within the program. Some providers ignore this constraint and have infinite version numbers. Add-on functionality (plug-ins), such as the ability to back up currently open or locked files, are typically paid as an optional feature, but certain providers do integrate this.
Through just backing up modified files, most remote backup services minimize the amount of data to be sent over the cable. This backing up strategy ensures the total data stored by the customers is popular. Reducing the amount of data sent and stored by binary or block-level incremental backups can be further dramatically decreased by transmitting the modified data bits only. Solutions that only communicate these modified binary data bits do not waste bandwidth by constantly transmitting the same file data if even small amounts change.
Managed VS Non-managed
As part of the overall package, other companies include specialist backup management services. Usually, such programs include:
- Assistance to initial backup setup
- Continuous control of the client machines’ backup processes to ensure that backups actually happen
- Warn proactively in case any backups fail
- Assistance in data recovery and retrieval
Scheduled versus Manual versus Incident Backup
Three different types of backup modes exist scheduled, manual, and event-based.
- Scheduled Backup – The data is backed up by a set timetable.
- Manual Backup-User input triggers data backup.
- Event-based Backup – certain computer activities cause data backup, e.g. database or device stoppage (cold backup).

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