ICN Congestion Control for Wireless Links

Ahlgren, Bengt and Hurtig, Per and Abrahamsson, Henrik and Grinnemo, Karl-Johan and Brunstrom, Anna (2018) ICN Congestion Control for Wireless Links. In: IEEE Wireless Communications and Networking Conference, April 15-18, 2018, Barcelona, Spain. (In Press)

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Information-centric networking (ICN) with its design around named-based forwarding and in-network caching holds great promises to become a key architecture for the future Internet. Still, despite its attractiveness, there are many open questions that need to be answered before wireless ICN becomes a reality, not least about its congestion control: Many of the proposed hop-by-hop congestion control schemes assume a fixed and known link capacity, something that rarely – if ever – holds true for wireless links. As a first step, this paper demonstrates that although these congestion control schemes are able to fairly well utilise the available wireless link capacity, they greatly fail to keep the link delay down. In fact, they essentially offer the same link delay as in the case with no hop-by-hop, only end-to-end, congestion control. Secondly, the paper shows that by complementing these congestion control schemes with an easy-to-implement, packet-train link estimator, we reduce the link delay to a level significantly lower than what is obtained with only end-to-end congestion control, while still being able to keep the link utilisation at a high level.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Accepted for publication
ID Code:6175
Deposited By:Bengt Ahlgren
Deposited On:20 Dec 2017 14:05
Last Modified:20 Dec 2017 14:05

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