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9th EAI International Conference on Performance Evaluation Methodologies and Tools

Research Article

Understanding cache dynamics in the network: a software approach

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  • @INPROCEEDINGS{10.4108/eai.14-12-2015.2262567,
        author={Ian Marsh},
        title={Understanding cache dynamics in the network: a software approach},
        proceedings={9th EAI International Conference on Performance Evaluation Methodologies and Tools},
        publisher={ACM},
        proceedings_a={VALUETOOLS},
        year={2016},
        month={1},
        keywords={caching dynamics hitrate visualization},
        doi={10.4108/eai.14-12-2015.2262567}
    }
    
  • Ian Marsh
    Year: 2016
    Understanding cache dynamics in the network: a software approach
    VALUETOOLS
    ICST
    DOI: 10.4108/eai.14-12-2015.2262567
Ian Marsh,*
    *Contact email: ianm@sics.se

    Abstract

    Complex time-varying load dynamics can be found at a network cache. This is because data requests carried by thousands of connections over diverse network paths load the cache by many read (and sometimes) write operations. User populations with a heterogeneity of request patterns and delay requirements induce hitrate dynamics at the network and cache interface. Content dynamics are further compounded by the existence of local expurgation policies and dimensioning decisions for each cache on a network path. Multi-level caches on the same network path may cause inter-cache dynamics of their contents. Finally, since the cache is inevitably part of a networked system, there is a complex dynamic relation between the cache hitrate and the network traffic. All that said, buffering events during media replay are still commonplace and annoying, caching solutions may be at the root of problem or be part of a solution such as in a CDN. Either way, we present a joint simulation-visualization tool to give some insight into the dynamics of network caching.

    Keywords
    caching dynamics hitrate visualization
    Published
    2016-01-04
    Publisher
    ACM
    http://dx.doi.org/10.4108/eai.14-12-2015.2262567
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