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Cryptography in Hierarchical Coded Caching: System Model and Cost Analysis.

Behrouz Zolfaghari1,2, Vikrant Singh3, Brijesh Kumar Rai3

  • 1CSE Department, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.

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Network caching reduces peak hour traffic by caching content. Coded caching further minimizes data transmission by sending encoded content, enhancing both throughput and security in complex network models.

Keywords:
coded cachingcost analysishierarchical coded cachingsecure deliverysystem model

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Area of Science:

  • Computer Science
  • Information Theory
  • Network Security

Background:

  • Network caching aims to reduce peak hour traffic by pre-transmitting content during off-peak hours.
  • Limited cache sizes and unpredictable access patterns necessitate further traffic reduction methods.
  • Coded caching was developed to minimize peak hour traffic by enabling a single transmission to serve multiple user requests.

Purpose of the Study:

  • To propose and evaluate a complex system model for coded caching.
  • To integrate throughput and security considerations into the coded caching framework.
  • To build upon existing research in coded caching with enhanced network topologies.

Main Methods:

  • Developing a complex system model beyond traditional single-server, single-hub topologies.
  • Combining network caching and coded caching principles.
  • Analyzing achievable rates in the proposed model against minimum secure rates.

Main Results:

  • The proposed model demonstrates effective reduction of peak hour network traffic.
  • Achievable data transmission rates are shown to be within a constant gap of minimum secure rates.
  • The system effectively balances throughput and security in a complex network environment.

Conclusions:

  • The proposed complex system model for coded caching enhances both throughput and security.
  • The findings suggest a practical approach to optimizing network traffic management.
  • This work contributes to the advancement of secure and efficient data transmission strategies.