Iterative approximate Byzantine consensus in arbitrary directed graphs

L Tseng, G Liang, NH Vaidya - Distributed Computing, 2024 - Springer
This paper identifies necessary and sufficient conditions for the existence of iterative
algorithms that achieve approximate Byzantine consensus in arbitrary directed graphs …

Iterative approximate Byzantine consensus in arbitrary directed graphs

NH Vaidya, L Tseng, G Liang - … of the 2012 ACM symposium on …, 2012 - dl.acm.org
This paper proves a necessary and sufficient condition for the existence of iterative,
algorithms that achieve approximate Byzantine consensus in arbitrary directed graphs …

Iterative approximate consensus in the presence of Byzantine link failures

L Tseng, N Vaidya - … Conference, NETYS 2014, Marrakech, Morocco, May …, 2014 - Springer
This paper explores the problem of reaching approximate consensus in synchronous point-
to-point networks, where each directed link of the underlying communication graph …

Matrix representation of iterative approximate Byzantine consensus in directed graphs

N Vaidya - arXiv preprint arXiv:1203.1888, 2012 - arxiv.org
This paper presents a proof of correctness of an iterative approximate Byzantine consensus
(IABC) algorithm for directed graphs. The iterative algorithm allows fault-free nodes to reach …

Exact byzantine consensus in directed graphs

L Tseng, N Vaidya - arXiv preprint arXiv:1208.5075, 2012 - arxiv.org
Consider a synchronous point-to-point network of n nodes connected by directed links,
wherein each node has a binary input. This paper proves a tight necessary and sufficient …

Asynchronous Byzantine approximate consensus in directed networks

D Sakavalas, L Tseng, NH Vaidya - … of the 39th Symposium on Principles …, 2020 - dl.acm.org
This paper considers the problem of approximate consensus in directed asynchronous
message-passing networks where some nodes may become Byzantine faulty. We obtain a …

Fault-tolerant consensus in directed graphs

L Tseng, NH Vaidya - Proceedings of the 2015 ACM Symposium on …, 2015 - dl.acm.org
Consider a point-to-point network in which nodes are connected by directed links. This
paper proves tight necessary and sufficient conditions on the underlying communication …

Reaching approximate Byzantine consensus with multi-hop communication

L Su, NH Vaidya - Information and Computation, 2017 - Elsevier
We are interested in approximate Byzantine consensus problem, wherein all the fault-free
processes reach consensus asymptotically (approximately in finite time). In particular, we …

Iterative approximate byzantine consensus under a generalized fault model

L Tseng, N Vaidya - … : 14th International Conference, ICDCN 2013, Mumbai …, 2013 - Springer
In this work, we consider a generalized fault model [7, 9, 5] that can be used to represent a
wide range of failure scenarios, including correlated failures and non-uniform node …

Parameter-independent iterative approximate byzantine consensus

L Tseng, NH Vaidya - arXiv preprint arXiv:1208.4867, 2012 - arxiv.org
arXiv:1208.4867v1 [cs.DC] 23 Aug 2012 Page 1 arXiv:1208.4867v1 [cs.DC] 23 Aug 2012
Parameter-independent Iterative Approximate Byzantine Consensus ∗ Lewis Tseng1,3 and …