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IEICE TRANSACTIONS on Information

Cooperative Recording to Increase Storage Efficiency in Networked Home Appliances

Eunsam KIM, Jinsung KIM, Hyoseop SHIN

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Summary :

This paper presents a novel cooperative recording scheme in networked PVRs based on P2P networks to increase storage efficiency compared with when PVRs operate independently of each other, while maintaining program availability to a similar degree. We employ an erasure coding technique to guarantee data availability of recorded programs in P2P networks. We determine the data redundancy degree of recorded programs so that the system can support all the concurrent streaming requests for them and maintain as much availability as needed. We also present how to assign recording tasks to PVRs and playback the recorded programs without performance degradation. We show that our proposed scheme improves the storage efficiency significantly, compared with when PVRs do not cooperate with each other, while keeping the playbackability of each request similarly.

Publication
IEICE TRANSACTIONS on Information Vol.E105-D No.3 pp.727-731
Publication Date
2022/03/01
Publicized
2021/12/02
Online ISSN
1745-1361
DOI
10.1587/transinf.2021EDL8077
Type of Manuscript
LETTER
Category
Information Network

Authors

Eunsam KIM
  Hongik University
Jinsung KIM
  Hongik University Research Institute of Science and Technology
Hyoseop SHIN
  Konkuk University

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