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Google refers to delta updates as "smart updates." This has been implemented in Google's Android operating system devices that run on Android 2.3 or above. Google engineers have estimated that smart updates would be only about one third the size of a full update on average.
Xdelta [3] is a command line tool for delta encoding, which stores or transmits the difference (deltas) between sequential data, instead of entire files.This is similar to diff and patch, except diff computes and shows the difference between two complete files, while patch is primarily designed for human-readable text files; Xdelta is designed for binary files and does not generate human ...
The delta debugging algorithm isolates failure causes automatically by systematically narrowing down failure-inducing circumstances until a minimal set remains. For example, if you can supply a test case that will produce the bug you are looking for, then you can feed that to the delta debugging algorithm, which will then trim lines of code ...
Accept-Patch [48] Specifies which patch document formats this server supports: Accept-Patch: text/example;charset=utf-8: Permanent RFC 5789: Accept-Ranges: What partial content range types this server supports via byte serving: Accept-Ranges: bytes: Permanent RFC 9110: Age: The age the object has been in a proxy cache in seconds: Age: 12 ...
VCDIFF is a format and an algorithm for delta encoding, described in IETF's RFC 3284.The algorithm is based on Jon Bentley and Douglas McIlroy's paper "Data Compression Using Long Common Strings" [1] written in 1999.
A patch is data that is intended to be used to modify an existing software resource such as a program or a file, often to fix bugs and security vulnerabilities. [1] [2] A patch may be created to improve functionality, usability, or performance. A patch is typically provided by a vendor for updating the software that they provide.
Binary delta compression is a technology used in software deployment for distributing patches. Explanation
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. Delta encoding is sometimes called delta compression, particularly where archival histories of changes are required (e.g., in revision control software).