상세정보
학술지
Balancing MPEG Transcoding with Storage in Multiple-Quality Video-on-Demand Services
- 저자
- 송민석, 심정섭, 고재두, 이범선, 박수준
- 발행일
- 200906
- 출처
- ETRI Journal, v.31 no.3, pp.333-335
- ISSN
- 1225-6463
- 출판사
- 한국전자통신연구원 (ETRI)
- 협약과제
- 09IC1500, 유비쿼터스 건강관리용 모듈 시스템, 김승환
- 초록
- To match the requirements of heterogeneous mobile devices, video objects may be transcoded, which requires considerable CPU resources. Alternatively, multiple versions of the same video may be stored on servers, but this requires a lot of disk space. We formulate the trade-off between the versions that are stored on disk and the need for transcoding. We propose an optimal solution to this formulation based on dynamic programming. Experiments show that our scheme allows up to 68% more clients to be admitted than conventional schemes when a reasonable amount of storage is available. © 2009 ETRI.
- KSP 제안 키워드
- Mobile devices, On-demand services, Optimal Solution, Trade-off, Video object, Video on Demand, dynamic Programming, need for