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36 relations: Analysis, Archive, Backup, Capacity optimization, Cloud storage, Collision (computer science), Computing, Content-addressable storage, Convergent encryption, Copy-on-write, Cryptographic hash function, Data compression, Data corruption, Data differencing, Delta encoding, Email, Hard link, IEEE Spectrum, Institute of Electrical and Electronics Engineers, Linked data, LOCKSS, LZ77 and LZ78, Megabyte, Network-attached storage, Non-volatile random-access memory, Pigeonhole principle, Pointer (computer programming), Record linkage, SHA-1, SHA-2, Single-instance storage, Snapshot (computer storage), Storage Networking Industry Association, Virtual tape library, WAN optimization, Write Anywhere File Layout.
Analysis
Analysis is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it.
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Archive
An archive is an accumulation of historical records or the physical place they are located.
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Backup
In information technology, a backup, or the process of backing up, refers to the copying into an archive file of computer data so it may be used to restore the original after a data loss event.
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Capacity optimization
Capacity optimization is a general term for technologies used to improve storage use by shrinking stored data.
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Cloud storage
Cloud storage is a model of computer data storage in which the digital data is stored in logical pools.
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Collision (computer science)
Collision is used in two slightly different senses in theoretical computer science and telecommunications.
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Computing
Computing is any goal-oriented activity requiring, benefiting from, or creating computers.
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Content-addressable storage
Content-addressable storage, also referred to as associative storage or abbreviated CAS, is a mechanism for storing information that can be retrieved based on its content, not its storage location.
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Convergent encryption
Convergent encryption, also known as content hash keying, is a cryptosystem that produces identical ciphertext from identical plaintext files.
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Copy-on-write
Copy-on-write (CoW or COW), sometimes referred to as implicit sharing or shadowing, is a resource-management technique used in computer programming to efficiently implement a "duplicate" or "copy" operation on modifiable resources.
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Cryptographic hash function
A cryptographic hash function is a special class of hash function that has certain properties which make it suitable for use in cryptography.
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Data compression
In signal processing, data compression, source coding, or bit-rate reduction involves encoding information using fewer bits than the original representation.
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Data corruption
Data corruption refers to errors in computer data that occur during writing, reading, storage, transmission, or processing, which introduce unintended changes to the original data.
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Data differencing
In computer science and information theory, data differencing or differential compression is producing a technical description of the difference between two sets of data – a source and a target.
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Delta encoding
Delta encoding is a way of storing or transmitting data in the form of differences (deltas) between sequential data rather than complete files; more generally this is known as data differencing.
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Electronic mail (email or e-mail) is a method of exchanging messages ("mail") between people using electronic devices.
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Hard link
In computing, a hard link is a directory entry that associates a name with a file on a file system.
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IEEE Spectrum
IEEE Spectrum is a magazine edited by the Institute of Electrical and Electronics Engineers.
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Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.
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Linked data
In computing, linked data (often capitalized as Linked Data) is a method of publishing structured data so that it can be interlinked and become more useful through semantic queries.
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LOCKSS
The LOCKSS ("Lots of Copies Keep Stuff Safe") project, under the auspices of Stanford University, is a peer-to-peer network that develops and supports an open source system allowing libraries to collect, preserve and provide their readers with access to material published on the Web.
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LZ77 and LZ78
LZ77 and LZ78 are the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 and 1978.
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Megabyte
The megabyte is a multiple of the unit byte for digital information.
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Network-attached storage
Network-attached storage (NAS) is a file-level computer data storage server connected to a computer network providing data access to a heterogeneous group of clients.
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Non-volatile random-access memory
Non-volatile random-access memory (NVRAM) is random-access memory that retains its information when power is turned off.
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Pigeonhole principle
In mathematics, the pigeonhole principle states that if items are put into containers, with, then at least one container must contain more than one item.
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Pointer (computer programming)
In computer science, a pointer is a programming language object that stores the memory address of another value located in computer memory.
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Record linkage
Record linkage (RL) is the task of finding records in a data set that refer to the same entity across different data sources (e.g., data files, books, websites, and databases).
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SHA-1
In cryptography, SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest - typically rendered as a hexadecimal number, 40 digits long.
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SHA-2
SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA).
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Single-instance storage
Single-instance storage (SIS) is a system's ability to keep one copy of content that multiple users or computers share.
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Snapshot (computer storage)
In computer systems, a snapshot is the state of a system at a particular point in time.
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Storage Networking Industry Association
The Storage Networking Industry Association (SNIA) is an association of producers and consumers of computer data storage networking products.
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Virtual tape library
A virtual tape library (VTL) is a data storage virtualization technology used typically for backup and recovery purposes.
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WAN optimization
WAN optimization is a collection of techniques for increasing data transfer efficiencies across wide-area networks (WANs).
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Write Anywhere File Layout
The Write Anywhere File Layout (WAFL) is a that supports large, high-performance RAID arrays, quick restarts without lengthy consistency checks in the event of a crash or power failure, and growing the filesystems size quickly.
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Data de-duplication, Data duplication, De-duplication, Storage de-duplication.
References
[1] https://en.wikipedia.org/wiki/Data_deduplication
