Next generation storage systems will need to provide support for both textual data and other types of multimedia data (e.g., images, video, audio). These two types of data differ in their characteristics, and hence require different techniques for their organization and management. In this paper, we provide an overview of 1) how storage systems can be architectured to support multimedia data, and 2) what are the main challenges in devising new algorithms to manage multimedia data. In order to provide rate guarantees for continuous media data, an admission control scheme must be employed that determines, for each client, whether there are sufficient resources available to service that client. To maximize the number of clients that can be admitted concurrently, the various system resources must be allocated and scheduled carefully. In terms of disks, we use algorithms for retrieving/storing data from/to disks that reduce seek latency time and eliminate rotational delay, thereby providing high throughput. In terms of main-memory, we use buffer management schemes that exploit the sequential access patterns for continuous media data, thereby resulting in efficient replacement of buffer pages from the cache.
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Architecture issues in multimedia storage systems
Özden, Banu; Rastogi, Rajeev; Silberschatz, Avi
Follow ACM SIGMETRICS Performance Evaluation Review
, Volume 25 (2)
Association for Computing Machinery – Sep 1, 1997
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