FIELD: information technology.
SUBSTANCE: invention relates to computer engineering. Data is compared with the previous version, known to the client, and to the server, and the high compression presented in the difference between the file and its previous version is generated. Then the transmission of these differences or "diffs" is carried out, and the extension of the HTTP protocol (Hypertext transfer protocol) can be used,.
EFFECT: providing synchronism of the copies of the file, located on the client and the server, while introducing changes to the file.
24 cl, 6 dwg
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