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

This paper Performance Evaluation of the Quorum Blockchain Platform gives a good comparison between Raft and IBFT in term of latency and throughput.
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2 votes
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Quorum Raft: Is the leader validates each transactions in the block before broadcasting it?

how are you? Quorum does not change how this validation is performed in regular Ethereum and consensus in this case is not relevant for the validation part. To perform a transaction on an Ethereum ...
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2 votes
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Quorum - Was the raft log corrupted, truncated, or lost? Incremental/Differential Backup Strategy and Restoring EVM State in a Quorum Node

In Quorum, all the nodes are synced up same way as regular Ethereum would, except the blocks may come in from a leader rather than another node. So, a new node joining the blockchain would sync up as ...
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2 votes

Mining a private transaction in quorum

A node that is not party to a private transaction can still mine (mint) the transaction. The minting node is selected by whichever consensus mechanism you have configured. A simplified description of ...
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1 vote

Quorum Minimum Number of Nodes for Raft Consensus and Istanbul BFT

Minimum for Raft is 3 nodes and minimum for Istanbul is 5 validator nodes.
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1 vote

adding new peer to quorum dynamically

after the blockchain has been initialized and has advanced past block 1, you need to follow raft.addPeer and admin.addPeer instructions as explained here: https://github.com/jpmorganchase/quorum/blob/...
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1 vote
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In Quorum, between Raft and Istanbul BFT (IBFT) consensus, which has a better (faster) block confirmation time? Assuming Ceteris Paribus

Quorum's raft implementation is specifically designed for the speed of txn processing and confirmation, thus Raft mode is going to be much faster than IBFT.
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