METHOD AND APPARATUS FOR PROVIDING CONTENTS VIA NETWORK, METHOD AND APPARATUS FOR RECEIVING CONTENTS VIA NETWORK, AND METHOD AND APPARATUS FOR BACKING UP DATA VIA NETWORK, BACKUP DATA PROVIDING DEVICE, AND BACKUP SYSTEM

摘要

Provided are methods and apparatuses for providing contents via a network, in which original data of contents provided via a network can be traced, and contents that are modified according to performance of a contents receiving device is provided. Location information of original contents is added to metadata of contents provided via the network to thereby increase convenience of access to the original contents and modify attributes of contents that are provided, to be suitable for the performance of the contents receiving device.