Healthor is accepted at the 4th Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers (SERIAL 2020) (Colocated with Middleware 2020, Delft, The Netherlands).


Title: Healthor: Protecting the Weak in Heterogeneous DLTs with Health-aware Flow Control

Authors: Jonas Theis (VU Amsterdam and IOTA Foundation), Luigi Vigneri (IOTA Foundation), Lin Wang (VU Amsterdam), and Animesh Trivedi (VU Amsterdam)

Abstract: Permissionless distributed ledger technologies (DLTs) utilize an underlying peer-to-peer network to disseminate transactions. These types of networks have been shown to be highly heterogeneous. However, current DLTs fail to consider this heterogeneity which can render low-end nodes to be unable to participate in consensus. In this paper we introduce Healthor, a novel heterogeneityaware flow-control mechanism that formalizes this heterogeneity in a notion of health of a node. In our early simulation results we show that Healthor enables high-end nodes to protect their weaker neighbors by buffering at their end while incurring only minimal overhead.

Link: https://serial.ibr.cs.tu-bs.de/serial20/index.html


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