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<div><p style="font-size:18pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_848-1565404932800"></a><a
style="color:#000000" href="http://www.zinglizingli.xyz"><span
style="background-color:#ffffff; font-family:Verdana; font-size:18pt"></span></a></p>
<p style="font-size:11pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_635-1565404934953"></a><span
style="font-family:'Times New Roman'; font-size:11pt">&#xa0;</span></p>
<p style="margin:0pt 0pt 10pt"><a name="_338-1565404935257"></a><span
style="background-color:#ffffff; color:#008000; font-family:Verdana; font-size:16pt; font-weight:bold"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_989-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">(replica)</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_565-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">1.</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_151-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_436-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_810-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">2.CAP</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_066-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CAP3</span>
</p>
<p style="font-size:12pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_928-1565405011043"></a><span
style="background-color:#ffffff; color:#800000; font-family:Verdana; font-size:12pt; font-weight:bold">ConsistencyAvailabilityPartition ToleranceCAP</span>
</p>
<p style="font-size:11pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_842-1565405011043"></a><span
style="font-family:'Times New Roman'; font-size:11pt">&#xa0;</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_811-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">ConsistencyACIDACID</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_016-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">Availability</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_115-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">Partition Tolerance</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_237-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">3.</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_943-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_047-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_172-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">线访 CAP </span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_182-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_317-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">线访</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_443-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_483-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">DNS </span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_856-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">&#xa0;</span></p>
<p style="margin:0pt 0pt 10pt"><a name="_788-1565405011043"></a><span
style="background-color:#ffffff; color:#008000; font-family:Verdana; font-size:16pt; font-weight:bold"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_082-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">AB1000A-1000B+1000</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_085-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_090-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">&#xa0;</span></p>
<p style="margin:0pt 0pt 10pt"><a name="_157-1565405011043"></a><span
style="background-color:#ffffff; color:#008000; font-family:Verdana; font-size:16pt; font-weight:bold"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_571-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_016-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">1.</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_050-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">coordinatorparticipantscohortsworkerswrite-ahead log使</span>
</p>
<p style="font-size:11pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_760-1565405011043"></a><img
src="9a4a540e-1759-4268-90fa-7fb652c3604a.023.png" width="553" height="358" alt="61-160357634.png"
style="-aw-left-pos:0pt; -aw-rel-hpos:column; -aw-rel-vpos:paragraph; -aw-top-pos:0pt; -aw-wrap-type:inline"/>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_560-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">2.</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_474-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">1.commit-request phasevoting phase</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_786-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_710-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_125-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">2.commit phase</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_067-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_981-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_532-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_080-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">3</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_646-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">1.</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_014-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">访</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_488-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">2.</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_765-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_010-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">3.commitcommitcommit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_785-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">commitcommitcommit便</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">4</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_450-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_279-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">commit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_793-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">使</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_037-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">&#xa0;</span></p>
<p style="margin:0pt 0pt 10pt"><a name="_052-1565405011043"></a><span
style="background-color:#ffffff; color:#008000; font-family:Verdana; font-size:16pt; font-weight:bold"></span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_420-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span>
</p>
<p style="font-size:11pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_180-1565405011043"></a><img
src="9a4a540e-1759-4268-90fa-7fb652c3604a.024.png" width="553" height="479" alt="92-920273519.png"
style="-aw-left-pos:0pt; -aw-rel-hpos:column; -aw-rel-vpos:paragraph; -aw-top-pos:0pt; -aw-wrap-type:inline"/>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_743-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">1</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_294-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">1.CanCommit</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_945-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">3PCCanCommit2PC</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_981-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">commitYesNo</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_220-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">2.PreCommit</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_740-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CoordinatorCohortPreCommit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_866-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_992-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">A.CoordinatorCohortYes</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_627-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CoordinatorCohortPreCommitPrepared</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_214-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CohortPreCommitundoredo</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_012-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CohortACK</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_068-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">B.CohortCoordinatorNoCoordinatorCohort</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_646-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CoordinatorCohortabort</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_143-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CohortCoordinatorabortCohort</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_223-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">3.DoCommit</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_678-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">:</span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_532-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_431-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">A.CoordinatorCohortACKCohortdoCommit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_533-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">B.CohortdoCommit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_010-1565405011043"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">C.CoordinatorACK</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_145-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">D.CoordinatorCohortACK</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_084-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt"></span></p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_752-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">CoordinatorCohortACKACK</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_841-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">2</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_499-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">(Coordinator)(Cohort)2PCcohort</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_629-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">2PC使3PCCanCommitPreCommitDoCommit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_049-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">PreCommit</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_674-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt; font-weight:bold">2</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_085-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">PreCommitCoordinatorabortCohortabort</span>
</p>
<p style="font-size:10pt; line-height:115%; margin:0pt 0pt 10pt"><a name="_298-1565405011044"></a><span
style="background-color:#ffffff; font-family:Verdana; font-size:10pt">Cohort3PCCommit</span>
</p></div>
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