NDLI: MEDIC: a memory and disk cache for multimedia clients

Content Provider	IEEE Xplore Digital Library
Author	Chang, E. Garcia-Molina, H.
Copyright Year	1999
Description	Author affiliation: Dept. of Comput. Sci., Stanford Univ., CA, USA (Chang, E.)
Abstract	We propose an integrated memory and disk cache for managing the resources of a multimedia client's computer or set-top box. The cache cushions the multimedia decoder from input rate fluctuations and mismatches, and because data can be cached to disk, the acceptable fluctuations can be very large. This lets the client operate efficiently at low cost when the network rate is much larger or smaller than the media display rate, and gives the media server much greater flexibility for balancing workload and supporting VCR-like functions. We analyze the memory requirements for this cache, and analytically derive safe values for its control parameters. Using a realistic case study, we examine the interaction between memory size, peak input rate, and disk performance, and show that a relatively modest amount of main memory can support a wide range of scenarios.
Starting Page	493
Ending Page	499
File Size	726097
Page Count	7
File Format	PDF
ISBN	0769502539
DOI	10.1109/MMCS.1999.779251
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-06-07
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Network servers Resource management Memory management Decoding Read-write memory Computer science Cost function Back Delay effects Bandwidth
Content Type	Text
Resource Type	Article

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