Questions tagged [ibft]

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Is there any way to configure hyperledger besu to mine blocks only when there are transactions?

I have been following this tutorial: https://besu.hyperledger.org/en/stable/Tutorials/Private-Network/Create-IBFT-Network/ Everything works fine, however I can see that every 2 seconds new block is ...
2
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1answer
47 views

Load testing Besu + IBFT2?

The context: I have a simple app that that consults historic of events frequently. It works fine on my development machine, with just a few thousands blocks. I am not sure if it will continue to work ...
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0answers
22 views

Can the primary node be fixed in Raft and IBFT?

I am doing an experiment to see the effect of a compromised primary node on the performance of Quorum for Raft and IBFT. Is there any way I can fix a node to be the minter or the primary node so that ...
2
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2answers
206 views

What is the difference between IBFT(Istanbul BFT) and PBFT?

I recently got to know about IBFT and Quorum and started studying on their consensus protocols. And what is the difference on IBFT and PBFT? Are they pretty much like the same and, when considering ...
0
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1answer
63 views

Front-running in Quorum IBFT

Are pending transactions processed sequentially in IBFT? In a networks based on PoW you would usually pay higher gas price in order to get your transaction mined first. Is there a way to manipulate ...
3
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1answer
287 views

Mining a private transaction in quorum

I was going through the quorum docs and got stuck on how private transactions are mined? When two nodes, say Node A and Node B do a private transaction between themselves. Which node then mines the ...
0
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1answer
746 views

Quorum Minimum Number of Nodes for Raft Consensus and Istanbul BFT

A Quorum Raft cluster of 3 nodes can tolerate a single node failure, while a Quorum cluster of 5 can tolerate 2 node failures. What is the equivalent if one uses Istanbul BFT?
1
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2answers
1k views

Quorum IBFT - PBFT - BFT - 3F + 1 / 3M + 1

Understand that Quorum supports IBFT. Am trying to decide what is the suitable number of nodes to setup up to support X number of byzantine nodes. Using PBFT formula, 3F + 1, I am trying to come out ...
2
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2answers
840 views

In Quorum, between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus

In Quorum, to help decide between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus.
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2answers
324 views

quorum istanbul byzantine fault tolerance (ibft) consensus nodes count for failover - recommended configuration

In Quorum, specifically for istanbul byzantine fault tolerance (ibft) consensus algorithm, what is the ideal node count for failover? i.e., recommended configuration? Nathan Aw (Singapore)