Martine S. Lenders, Cenk Gündogan, Thomas C. Schmidt, Matthias Wählisch,
Connecting the Dots: Selective Fragment Recovery in ICNLoWPAN,
In: Proc. of 7th ACM Conference on Information-Centric Networking (ICN), pp. 70--76, New York: ACM, September 2020.
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Abstract: In this paper, we analyze the benefits of integrating 6LoWPAN Selective Fragment Recovery (SFR) in ICNLoWPAN. We present a solution that allows for immediate fragment forwarding---a key feature of SFR---in combination with ICN caching. For this a emph{Virtual Reassembling Endpoint} (VREP) is proposed which acts transparently as an SFR fragment forwarder while simultaneously collecting them. Once a datagram is complete, it is exposed to the content cache, effectively making the VREP the new fragmenting endpoint. Our proposal complies with current specs defined in the IETF/IRTF. Furthermore, we offer considerations to combine the reverse path forwarding schemes of both SFR and ICNLoWPAN and assess drawbacks and benefits. In preliminary experiments, we evaluate the network performance of combining ICNLoWPAN with SFR and~VREP.

Themes: Internet of Things , Information-Centric Networking , Mobile Ad Hoc Networking


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