8
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1 @startuml
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2 title Paxos 3
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3 /' ======= style ======= '/
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4
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5 skinparam sequence {
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6 ArrowColor black
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7 LifeLineBorderColor black
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8
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9 ParticipantBorderColor black
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10 ParticipantBackgroundColor white
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11 ParticipantPadding 20
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12 }
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13
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14 /' ======= node name ======= '/
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15
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16 /' === proposers === '/
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17 participant proposer1
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18 activate proposer1
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19 participant proposer2
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20 activate proposer2
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21
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22 /' === acceptors === '/
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23 participant acceptor1
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24 activate acceptor1
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25 participant acceptor2
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26 activate acceptor2
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27 participant acceptor3
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28 activate acceptor3
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29
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30 /' === learners === '/
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31 participant learner1
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32 activate learner1
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33
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34 /' ======= uml ======= '/
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35
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36 proposer1 -> acceptor1:Prepare request \n\
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37 Proposal(7, 1)
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38 proposer1 -> acceptor2
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39 proposer1 -> acceptor3
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40
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41 acceptor1 --> proposer1:Promise Success\n\
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42 Proposal(7, 1)
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43 acceptor2 --> proposer1
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44 acceptor3 --> proposer1
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45
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46 proposer1 -> acceptor3:Accept Request \n\
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47 Proposal(7, 1)
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48 acceptor3 --> proposer1: Accept \n\
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49 Proposal(7,1)
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50 acceptor3 -> learner1:Accept \n\
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51 Proposal(7, 1)
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52
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53
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54 proposer2 -> acceptor1:Prepare request \n\
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55 Proposal(8, 2)
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56 proposer2 -> acceptor2
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57 proposer2 -> acceptor3
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58
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59 acceptor1 --> proposer2:Promise Success\n\
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60 Proposal(8, 2)
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61 acceptor2 --> proposer2
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62 acceptor3 --> proposer2:Promise Success \n\
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63 But Accepted \n\
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64 Proposal(7, 1)
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65
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66 proposer1 -> acceptor1:Accept request \n\
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67 Proposal(7, 1)
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68 proposer1 -> acceptor2
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69
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70 acceptor1 --> proposer1:Accept Fail\n\
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71 Promised \n\
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72 Proposal(8, 2)
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73 acceptor2 --> proposer1
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74
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75
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76 proposer1 -> acceptor1:Prepare request \n\
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77 Proposal(13, 1)
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78 proposer1 -> acceptor2
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79 proposer1 -> acceptor3
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80
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81 acceptor1 --> proposer1:Promise Success\n\
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82 Proposal(13, 1)
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83 acceptor2 --> proposer1
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84 acceptor3 --> proposer1
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85
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86
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87 proposer1 -> acceptor1:Accept request \n\
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88 Proposal(13, 1)
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89 proposer1 -> acceptor2
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90 proposer1 -> acceptor3
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91
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92 acceptor1 --> proposer1:Accept \n\
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93 Proposal(13, 1)
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94 acceptor1 -> learner1:Accept \n\
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95 Proposal(13, 1)
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96
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97 acceptor2 --> proposer1:Accept \n\
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98 Proposal(13, 1)
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99 acceptor2 -> learner1:Accept \n\
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100 Proposal(13, 1)
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101
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102
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103
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104 acceptor3 --> proposer1:Accept \n\
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105 Proposal(13, 1)
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106 acceptor3 -> learner1:Accept \n\
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107 Proposal(13, 1)
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108
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109 learner1 -> learner1:chosen \n\
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110 Proposal(13, 1)
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111
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112 @enduml |