Chunking Overview

At the core of Magnus box is the technology that allows us to back-up and restore faster than the competition: this is called "Chunking".

Backing up 

Magnus Box backs up data by first splitting it into variable-sized chunks, which are individually compressed, encrypted, and uploaded. Magnus Box uses data-dependent chunking, efficiently splitting a file into consistent chunks even in the face of random inserts.

Further incremental back-up jobs simply realize that chunks already exist on the server and do not need to be re-uploaded.

Restoring

When it comes to restoring, Magnus Box is just as fast. Magnus Box directly downloads only the chunks it needs for the file and requires no additional space other than the size of the file and has no CPU intensive merging processes.