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BDLS Consensus

Introduction

BDLS is an innovative BFT consensus algorithm that features safety and liveness by presenting a mathematically proven secure BFT protocol that is resilient in open networks such as the Internet. With BDLS, we invented a new random beacons to ensure verifiable unpredictability and fairness of validators. More importantly, BDLS overcomes many problems, such as DoS attacks, as well as the deadlock problem caused by unreliable p2p/broadcast channels. These problems are all very relevant to existing realistic open network scenarios, and are the focus of extensive work in improving Internet security, but it is an area largely ignored by most in mainstream BFT protocol design.(Paper: https://eprint.iacr.org/2019/1460.pdf)

For this library, to make the runtime behavior of consensus algorithm predictable as function: y = f(x, t), where 'x' is the message it received, and 't' is the time while being called, then'y' is the deterministic status of consensus after 'x' and 't' applied to 'f', it has been designed in a deterministic scheme, without parallel computing, networking, and the correctness of program implementation can be proven with proper test cases.

For more information on the BDLS consensus, you could view here https://medium.com/sperax/bdls-protocol-best-efficiency-best-security-best-performance-4cc2770608dd

Features

  1. Pure algorithm implementation in deterministic and predictable behavior, easily to be integrated into existing projects, refer to DFA for more.
  2. Well-tested on various platforms with complicated cases.
  3. Auto back-off under heavy payload, guaranteed finalization(worst case gurantee).
  4. Easy integratation into Blockchain & non-Blockchain consensus, like WAL replication in database.
  5. Builtin network emulation for various network latency with comprehensive statistics.

Documentation

For complete documentation, see the associated Godoc.

Performance

DATE: 2020/03/18
OS: Linux 4.19.84-microsoft-standard #1 SMP Wed Nov 13 11:44:37 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
MEM: 64GB
CPU: AMD Ryzen 7 2700X Eight-Core Processor

TERMINOLOGY: 

DECIDE.AVG = Average finalization time for each height.
DECIDE.ROUNDS = The rounds where decides has made.
PEER.NUM = Actual participantion.
PJ.NUM = Participants(Quorum) 
NET.MSGS = Total network number of messages exchanged in all heights.
NET.BYTES = Total network bytes exchanged in all heights.
MSG.AVGSIZE = Average message size.(Tested with 1KB State.)
NET.MSGRATE = Network message rate(messages/second).
PEER.RATE = Peer's average bandwidth.
DELAY.MIN = Actual minimal network latency(network latency is randomized with normal distribution).
DELAY.MAX = Actual maximal network latency.
DELAY.AVG = Actual average latency.
DELAY.EXP = Expected Latency set to consensus algorithm.

COMMANDS:
$ go test -v -cpuprofile=cpu.out -memprofile=mem.out -timeout 2h

TESTING CASES:
=============

Case 1: 20 Fully Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 1.47s      | 1;1;1;1;1     | 20       | 20     | 9765     | 16.1M     | 1.7K        | 66.32/s     | 110.1K/s  | 59.61ms   | 135.47ms  | 100.02ms  | 100ms     |
| 2.3s       | 1;1;1;1;1     | 20       | 20     | 9756     | 16.2M     | 1.7K        | 42.31/s     | 70.6K/s   | 121.64ms  | 273.65ms  | 200.12ms  | 200ms     |
| 3.11s      | 1;1;1;1;1     | 20       | 20     | 9758     | 15.9M     | 1.7K        | 31.30/s     | 50.9K/s   | 177.7ms   | 421.95ms  | 300.04ms  | 300ms     |
| 4.76s      | 1;1;1;1;1     | 20       | 20     | 9756     | 15.9M     | 1.7K        | 20.48/s     | 33.4K/s   | 308.55ms  | 674.98ms  | 499.04ms  | 500ms     |
| 8.85s      | 1;1;1;1;1     | 20       | 20     | 9753     | 15.8M     | 1.7K        | 11.02/s     | 17.8K/s   | 638.02ms  | 1.38348s  | 999.99ms  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 2: 30 Fully Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 1.53s      | 1;1;1;1;1     | 30       | 30     | 22152    | 36.2M     | 1.7K        | 96.17/s     | 156.5K/s  | 55.18ms   | 141.39ms  | 100.09ms  | 100ms     |
| 2.33s      | 1;1;1;1;1     | 30       | 30     | 22152    | 36.3M     | 1.7K        | 63.23/s     | 104.2K/s  | 125.74ms  | 275.21ms  | 199.87ms  | 200ms     |
| 3.14s      | 1;1;1;1;1     | 30       | 30     | 22137    | 36.2M     | 1.7K        | 46.90/s     | 76.7K/s   | 176.14ms  | 415.37ms  | 300.16ms  | 300ms     |
| 4.75s      | 1;1;1;1;1     | 30       | 30     | 22136    | 35.9M     | 1.7K        | 31.03/s     | 50.3K/s   | 317.97ms  | 695.47ms  | 499.76ms  | 500ms     |
| 8.9s       | 1;1;1;1;1     | 30       | 30     | 22135    | 36M       | 1.7K        | 16.57/s     | 26.9K/s   | 532.09ms  | 1.34651s  | 1.00002s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 3: 50 Fully Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 1.82s      | 1;1;1;1;1     | 50       | 50     | 59819    | 104.3M    | 1.8K        | 131.20/s    | 227.1K/s  | 56.7ms    | 137.95ms  | 99.91ms   | 100ms     |
| 2.59s      | 1;1;1;1;1     | 50       | 50     | 61951    | 102.9M    | 1.7K        | 95.61/s     | 155.7K/s  | 115.92ms  | 289.78ms  | 200.05ms  | 200ms     |
| 3.32s      | 1;1;1;1;1     | 50       | 50     | 61916    | 101.8M    | 1.7K        | 74.52/s     | 122.2K/s  | 170.95ms  | 421.28ms  | 300.02ms  | 300ms     |
| 4.9s       | 1;1;1;1;1     | 50       | 50     | 61905    | 101.6M    | 1.7K        | 50.50/s     | 82.8K/s   | 288.33ms  | 731.75ms  | 500.06ms  | 500ms     |
| 8.97s      | 1;1;1;1;1     | 50       | 50     | 61906    | 101.4M    | 1.7K        | 27.60/s     | 45.2K/s   | 570.08ms  | 1.42545s  | 1.00002s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 4: 80 Fully Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 5.6s       | 2;2;1;2;2     | 80       | 80     | 267894   | 1.8G      | 7.1K        | 119.58/s    | 834.2K/s  | 53.01ms   | 150.23ms  | 99.9ms    | 100ms     |
| 3.13s      | 1;1;1;1;1     | 80       | 80     | 153622   | 278.2M    | 1.9K        | 122.58/s    | 217.2K/s  | 110.94ms  | 285.03ms  | 199.81ms  | 200ms     |
| 3.74s      | 1;1;1;1;1     | 80       | 80     | 156056   | 261.3M    | 1.7K        | 104.26/s    | 171.5K/s  | 164.08ms  | 429.22ms  | 299.94ms  | 300ms     |
| 5.24s      | 1;1;1;1;1     | 80       | 80     | 158652   | 260.2M    | 1.7K        | 75.64/s     | 122.2K/s  | 273.16ms  | 718.12ms  | 500.22ms  | 500ms     |
| 9.38s      | 1;1;1;1;1     | 80       | 80     | 159054   | 261M      | 1.7K        | 42.35/s     | 68.8K/s   | 553.89ms  | 1.44921s  | 1.00012s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 5: 100 Fully Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 9.5s       | 2;2;3;2;2     | 100      | 100    | 505578   | 3.5G      | 7.3K        | 106.42/s    | 764.4K/s  | 52.3ms    | 145.48ms  | 99.92ms   | 100ms     |
| 7.43s      | 2;2;2;1;1     | 100      | 100    | 361084   | 2.3G      | 6.6K        | 97.18/s     | 626.3K/s  | 100.07ms  | 300.16ms  | 199.57ms  | 200ms     |
| 7.66s      | 1;2;1;2;1     | 100      | 100    | 330107   | 2G        | 6.3K        | 86.08/s     | 527.8K/s  | 167.46ms  | 444.85ms  | 299.79ms  | 300ms     |
| 5.78s      | 1;1;1;1;1     | 100      | 100    | 241856   | 404.4M    | 1.7K        | 83.56/s     | 136.7K/s  | 239.32ms  | 736.61ms  | 499.73ms  | 500ms     |
| 9.54s      | 1;1;1;1;1     | 100      | 100    | 248825   | 409.1M    | 1.7K        | 52.12/s     | 85.2K/s   | 560.41ms  | 1.48048s  | 1.00002s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------

Case 6: 20 Partially Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 2.59s      | 2;1;2;2;1     | 13       | 20     | 5016     | 8.2M      | 1.7K        | 29.79/s     | 49.6K/s   | 58.49ms   | 140.78ms  | 100ms     | 100ms     |
| 9.98s      | 1;2;3;4;2     | 13       | 20     | 6264     | 9.6M      | 1.6K        | 9.65/s      | 15.1K/s   | 118.56ms  | 269.81ms  | 200.2ms   | 200ms     |
| 7.2s       | 1;1;2;3;1     | 13       | 20     | 5016     | 8.2M      | 1.7K        | 10.72/s     | 17.8K/s   | 198.85ms  | 408.56ms  | 300.19ms  | 300ms     |
| 30.95s     | 5;2;1;1;1     | 13       | 20     | 5640     | 8.9M      | 1.6K        | 2.80/s      | 4.5K/s    | 304.56ms  | 663.24ms  | 499.11ms  | 500ms     |
| 23.43s     | 2;2;2;1;2     | 13       | 20     | 5328     | 8.6M      | 1.7K        | 3.50/s      | 5.7K/s    | 621.09ms  | 1.37182s  | 1.00037s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 7: 30 Partially Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 24.06s     | 1;2;1;7;4     | 20       | 30     | 17381    | 25.7M     | 1.5K        | 7.22/s      | 10.9K/s   | 60.17ms   | 143.24ms  | 99.98ms   | 100ms     |
| 27.88s     | 2;6;2;1;4     | 20       | 30     | 17383    | 25.7M     | 1.5K        | 6.23/s      | 9.4K/s    | 123.31ms  | 269.15ms  | 200.06ms  | 200ms     |
| 15.14s     | 3;1;2;2;4     | 20       | 30     | 15101    | 23.1M     | 1.6K        | 9.97/s      | 15.6K/s   | 186.63ms  | 422.51ms  | 299.87ms  | 300ms     |
| 11.47s     | 3;1;1;2;1     | 20       | 30     | 12060    | 19.7M     | 1.7K        | 10.51/s     | 17.4K/s   | 307.34ms  | 682.54ms  | 499.59ms  | 500ms     |
| 44.77s     | 3;2;4;1;2     | 20       | 30     | 15100    | 23.1M     | 1.6K        | 3.37/s      | 5.3K/s    | 622.36ms  | 1.34913s  | 999.89ms  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 8: 50 Partially Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 6.23s      | 4;3;3;1;1     | 33       | 50     | 41680    | 65M       | 1.6K        | 40.50/s     | 64.2K/s   | 55.59ms   | 139.67ms  | 100.03ms  | 100ms     |
| 10.51s     | 2;1;4;4;1     | 33       | 50     | 41664    | 64.4M     | 1.6K        | 24.02/s     | 37.8K/s   | 117.5ms   | 290.2ms   | 199.97ms  | 200ms     |
| 15.37s     | 2;3;3;1;4     | 33       | 50     | 43776    | 66.8M     | 1.6K        | 17.25/s     | 26.8K/s   | 179.9ms   | 421.71ms  | 299.84ms  | 300ms     |
| 10.91s     | 2;1;2;2;1     | 33       | 50     | 33216    | 54.9M     | 1.7K        | 18.45/s     | 30.9K/s   | 303.06ms  | 713.69ms  | 500.5ms   | 500ms     |
| 38.8s      | 3;3;1;2;3     | 33       | 50     | 41664    | 64.4M     | 1.6K        | 6.51/s      | 10.2K/s   | 609.65ms  | 1.38302s  | 1.00107s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 9: 80 Partially Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 5.25s      | 2;2;3;2;3     | 53       | 80     | 121369   | 520.3M    | 4.4K        | 87.18/s     | 377.5K/s  | 59.25ms   | 149.4ms   | 99.95ms   | 100ms     |
| 6s         | 1;2;2;2;2     | 53       | 80     | 91790    | 152.8M    | 1.7K        | 57.64/s     | 96.5K/s   | 120.06ms  | 286.27ms  | 199.98ms  | 200ms     |
| 5.87s      | 2;1;2;1;1     | 53       | 80     | 80728    | 138.1M    | 1.8K        | 51.84/s     | 88.6K/s   | 175.44ms  | 423.91ms  | 300.17ms  | 300ms     |
| 11.21s     | 2;1;2;1;2     | 53       | 80     | 86217    | 142.9M    | 1.7K        | 29.02/s     | 48.5K/s   | 291.37ms  | 734.8ms   | 500.38ms  | 500ms     |
| 21.97s     | 1;1;2;2;2     | 53       | 80     | 86216    | 142.9M    | 1.7K        | 14.80/s     | 24.9K/s   | 533.87ms  | 1.43307s  | 1.00042s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 10: 100 Partially Connected Participants in 100ms,200ms,300ms,500ms,1s correctly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 8.92s      | 4;2;3;2;4     | 67       | 100    | 248185   | 1.7G      | 7K          | 82.99/s     | 577.1K/s  | 50.01ms   | 144ms     | 99.98ms   | 100ms     |
| 8.28s      | 2;2;3;2;3     | 67       | 100    | 175047   | 286.4M    | 1.7K        | 63.08/s     | 103.9K/s  | 116.41ms  | 287.7ms   | 199.87ms  | 200ms     |
| 10.21s     | 2;3;1;1;3     | 67       | 100    | 156156   | 279M      | 1.8K        | 45.63/s     | 81.9K/s   | 157.92ms  | 422.21ms  | 300.11ms  | 300ms     |
| 19.24s     | 1;4;1;2;1     | 67       | 100    | 146918   | 239M      | 1.7K        | 22.79/s     | 37.5K/s   | 289.88ms  | 705.65ms  | 500.13ms  | 500ms     |
| 38.13s     | 1;2;4;2;1     | 67       | 100    | 155760   | 248.7M    | 1.6K        | 12.19/s     | 19.8K/s   | 558.98ms  | 1.49546s  | 1.00018s  | 1s        |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 11: 50 Fully Connected Participants in 100ms,200ms,300ms,500ms,1s incorrectly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 2.9s       | 2;2;2;2;2     | 50       | 50     | 116591   | 438.1M    | 3.8K        | 160.49/s    | 605.2K/s  | 58.21ms   | 145.52ms  | 99.98ms   | 50ms      |
| 2.81s      | 1;1;2;1;1     | 50       | 50     | 81768    | 250.3M    | 3.1K        | 116.32/s    | 343.2K/s  | 98.55ms   | 281.13ms  | 199.73ms  | 100ms     |
| 3.61s      | 2;1;1;1;1     | 50       | 50     | 82816    | 219.3M    | 2.7K        | 91.68/s     | 239K/s    | 175.29ms  | 441.01ms  | 299.71ms  | 150ms     |
| 4.45s      | 1;1;1;1;1     | 50       | 50     | 73038    | 114.1M    | 1.6K        | 65.56/s     | 101.8K/s  | 287.19ms  | 743.13ms  | 500ms     | 250ms     |
| 7.99s      | 1;1;1;1;1     | 50       | 50     | 73225    | 114.2M    | 1.6K        | 36.62/s     | 56.9K/s   | 606.02ms  | 1.41356s  | 999.36ms  | 500ms     |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

Case 12: 50 Partially Connected Participants in 100ms,200ms,300ms,500ms,1s incorrectly set expected delay
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| DECIDE.AVG | DECIDE.ROUNDS | PEER.NUM | PJ.NUM | NET.MSGS | NET.BYTES | MSG.AVGSIZE | NET.MSGRATE | PEER.RATE | DELAY.MIN | DELAY.MAX | DELAY.AVG | DELAY.EXP |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+
| 3.45s      | 2;2;3;3;3     | 33       | 50     | 50621    | 80.2M     | 1.6K        | 88.78/s     | 141.4K/s  | 58.45ms   | 141.37ms  | 100.02ms  | 50ms      |
| 8.49s      | 2;3;4;4;2     | 33       | 50     | 55392    | 119M      | 2.2K        | 39.54/s     | 86.3K/s   | 119.07ms  | 279.23ms  | 200.16ms  | 100ms     |
| 4.57s      | 1;1;2;2;2     | 33       | 50     | 42720    | 144.1M    | 3.5K        | 56.65/s     | 192.2K/s  | 174.43ms  | 422.48ms  | 300.09ms  | 150ms     |
| 8.04s      | 2;1;1;3;1     | 33       | 50     | 38497    | 60.9M     | 1.6K        | 28.99/s     | 46.3K/s   | 297.08ms  | 699.25ms  | 499.54ms  | 250ms     |
| 18.06s     | 1;2;3;2;1     | 33       | 50     | 40608    | 63.2M     | 1.6K        | 13.63/s     | 21.4K/s   | 595.42ms  | 1.45499s  | 1.00061s  | 500ms     |
+------------+---------------+----------+--------+----------+-----------+-------------+-------------+-----------+-----------+-----------+-----------+-----------+

See also overload benchmark: PI4-OVERLOAD.TXT

Specification

  1. Consensus messages are specified in message.proto, users of this library can encapsulate this message in a carrier message, like gossip in TCP.
  2. Consensus algorithm is NOT thread-safe, it MUST be protected by some synchronization mechanism, like sync.Mutex or chan + goroutine.

Usage

  1. A testing IPC peer -- ipc_peer.go
  2. A testing TCP node -- TCP based Consensus Emualtor

Status

GA

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BDLS consensus protocol

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