Context-Aware Routing in Fog Computing Systems

Vasileios Karagiannis, Pantelis A. Frangoudis, Schahram Dustdar, Stefan Schulte

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

Abstract

Fog computing enables the execution of IoT applications on compute nodes which reside both in the cloud and at the edge of the network. To achieve this, most fog computing systems route the IoT data on a path which starts at the data source, and goes through various edge and cloud nodes. Each node on this path may accept the data if there are available resources to process this data locally. Otherwise, the data is forwarded to the next node on path. Notably, when the data is forwarded (rather than accepted), the communication latency increases by the delay to reach the next node. To avoid this, we propose a routing mechanism which maintains a history of all nodes that have accepted data of each context in the past. By processing this history, our mechanism sends the data directly to the closest node that tends to accept data of the same context. This lowers the forwarding by nodes on path, and can reduce the communication latency. We evaluate this approach using both prototype- and simulation-based experiments which show reduced communication latency (by up to 23 percent) and lower number of hops traveled (by up to 73 percent), compared to a state-of-the-art method.
OriginalspracheEnglisch
Seiten (von - bis)532-549
Seitenumfang4
FachzeitschriftIEEE Transactions on Cloud Computing
Volume11
Issue1
DOIs
PublikationsstatusVeröffentlicht - 1 Jan. 2023

Research Field

  • Ehemaliges Research Field - Societal Resilience & Security

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