Caching Transient Data in Internet Content Routers

The Internet-of-Things (IoT) paradigm envisions billions of devices all connected to the Internet, generating low-rate monitoring and measurement data to be delivered to application servers or end-users. Recently, the possibility of applying in-network data caching techniques to IoT traffic flows ha...

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Bibliographic Details
Published in:IEEE/ACM transactions on networking 2017-04, Vol.25 (2), p.1048-1061
Main Authors: Vural, Serdar, Wang, Ning, Navaratnam, Pirabakaran, Tafazolli, Rahim
Format: Article
Language:English
Subjects:
Aerospace industry
analysis
Application servers
Caching
Computer simulation
Cost analysis
data freshness
Data integrity
Data models
data-transiency
Feasibility studies
Freshness
Information-centric networking
Internet
Internet of Things
Location based services
Mathematical models
Multimedia
Routers
Servers
simulations
Transient analysis
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Summary:The Internet-of-Things (IoT) paradigm envisions billions of devices all connected to the Internet, generating low-rate monitoring and measurement data to be delivered to application servers or end-users. Recently, the possibility of applying in-network data caching techniques to IoT traffic flows has been discussed in research forums. The main challenge as opposed to the typically cached content at routers, e.g., multimedia files, is that IoT data are transient and therefore require different caching policies. In fact, the emerging location-based services can also benefit from new caching techniques that are specifically designed for small transient data. This paper studies in-network caching of transient data at content routers, considering a key temporal data property: data item lifetime. An analytical model that captures the trade-off between multihop communication costs and data item freshness is proposed. Simulation results demonstrate that caching transient data are a promising information-centric networking technique that can reduce the distance between content requesters and the location in the network where the content is fetched from. To the best of our knowledge, this is a pioneering research work aiming to systematically analyze the feasibility and benefit of using Internet routers to cache transient data generated by IoT applications.
ISSN:1063-6692
1558-2566
DOI:10.1109/TNET.2016.2616359