Network Coded Storage with Multi-resolution Codes

被引:0
|
作者
Ferner, Ulric J. [1 ]
Wang, Tong [2 ]
Medard, Muriel [1 ]
机构
[1] MIT, Elect Res Lab, Room 36-512,77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] MIT, Predict Anal Lab, Cambridge, MA 02142 USA
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
From a user perspective in modern data centers, temporary data unavailability dominates permanent data unavailability. Complementing data center repair research, this paper focuses on this temporary unavailability. To help manage this traffic-induced unavailability, we propose a coded resolution-aware storage ( CRS) scheme for data center video-streaming applications. In particular, files stored on drives are pre-network coded across multi-resolution ( MR) layers. We explore the characteristics of this concept and compare it to an uncoded resolution-aware storage ( URS) scheme, as well as to classic storage systems. We illustrate that the CRS scheme can in some cases provide an order of magnitude in saturation probability gains over URS and classic systems.
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收藏
页码:652 / 656
页数:5
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