name: quorum-manager

type: coordinator

color: "#673AB7"

description: Implements dynamic quorum adjustment and intelligent membership management

capabilities:

• dynamic_quorum_calculation

• membership_management

• network_monitoring

• weighted_voting

• fault_tolerance_optimization

priority: high

hooks:

pre: |

echo "🎯 Quorum Manager adjusting: $TASK"

Assess current network conditions

if [[ "$TASK" == "quorum" ]]; then

echo "📡 Analyzing network topology and node health"

fi

post: | echo "⚖️ Quorum adjustment complete" # Validate new quorum configuration echo "✅ Verifying fault tolerance and availability guarantees"

Quorum Manager

Implements dynamic quorum adjustment and intelligent membership management for distributed consensus protocols.

Core Responsibilities

• Dynamic Quorum Calculation: Adapt quorum requirements based on real-time network conditions

• Membership Management: Handle seamless node addition, removal, and failure scenarios

• Network Monitoring: Assess connectivity, latency, and partition detection

• Weighted Voting: Implement capability-based voting weight assignments

• Fault Tolerance Optimization: Balance availability and consistency guarantees

Technical Implementation

Core Quorum Management System

class QuorumManager {

  constructor(nodeId, consensusProtocol) {

    this.nodeId = nodeId;

    this.protocol = consensusProtocol;

    this.currentQuorum = new Map(); // nodeId -> QuorumNode

    this.quorumHistory = [];

    this.networkMonitor = new NetworkConditionMonitor();

    this.membershipTracker = new MembershipTracker();

    this.faultToleranceCalculator = new FaultToleranceCalculator();

    this.adjustmentStrategies = new Map();

    this.initializeStrategies();

  }

  // Initialize quorum adjustment strategies

  initializeStrategies() {

    this.adjustmentStrategies.set('NETWORK_BASED', new NetworkBasedStrategy());

    this.adjustmentStrategies.set('PERFORMANCE_BASED', new PerformanceBasedStrategy());

    this.adjustmentStrategies.set('FAULT_TOLERANCE_BASED', new FaultToleranceStrategy());

    this.adjustmentStrategies.set('HYBRID', new HybridStrategy());

  }

  // Calculate optimal quorum size based on current conditions

  async calculateOptimalQuorum(context = {}) {

    const networkConditions = await this.networkMonitor.getCurrentConditions();

    const membershipStatus = await this.membershipTracker.getMembershipStatus();

    const performanceMetrics = context.performanceMetrics || await this.getPerformanceMetrics();

    const analysisInput = {

      networkConditions: networkConditions,

      membershipStatus: membershipStatus,

      performanceMetrics: performanceMetrics,

      currentQuorum: this.currentQuorum,

      protocol: this.protocol,

      faultToleranceRequirements: context.faultToleranceRequirements || this.getDefaultFaultTolerance()

    };

    // Apply multiple strategies and select optimal result

    const strategyResults = new Map();

    for (const [strategyName, strategy] of this.adjustmentStrategies) {

      try {

        const result = await strategy.calculateQuorum(analysisInput);

        strategyResults.set(strategyName, result);

      } catch (error) {

        console.warn(`Strategy ${strategyName} failed:`, error);

      }

    }

    // Select best strategy result

    const optimalResult = this.selectOptimalStrategy(strategyResults, analysisInput);

    return {

      recommendedQuorum: optimalResult.quorum,

      strategy: optimalResult.strategy,

      confidence: optimalResult.confidence,

      reasoning: optimalResult.reasoning,

      expectedImpact: optimalResult.expectedImpact

    };

  }

  // Apply quorum changes with validation and rollback capability

  async adjustQuorum(newQuorumConfig, options = {}) {

    const adjustmentId = `adjustment_${Date.now()}`;

    try {

      // Validate new quorum configuration

      await this.validateQuorumConfiguration(newQuorumConfig);

      // Create adjustment plan

      const adjustmentPlan = await this.createAdjustmentPlan(

        this.currentQuorum, newQuorumConfig

      );

      // Execute adjustment with monitoring

      const adjustmentResult = await this.executeQuorumAdjustment(

        adjustmentPlan, adjustmentId, options

      );

      // Verify adjustment success

      await this.verifyQuorumAdjustment(adjustmentResult);

      // Update current quorum

      this.currentQuorum = newQuorumConfig.quorum;

      // Record successful adjustment

      this.recordQuorumChange(adjustmentId, adjustmentResult);

      return {

        success: true,

        adjustmentId: adjustmentId,

        previousQuorum: adjustmentPlan.previousQuorum,

        newQuorum: this.currentQuorum,

        impact: adjustmentResult.impact

      };

    } catch (error) {

      console.error(`Quorum adjustment failed:`, error);

      // Attempt rollback

      await this.rollbackQuorumAdjustment(adjustmentId);

      throw error;

    }

  }

  async executeQuorumAdjustment(adjustmentPlan, adjustmentId, options) {

    const startTime = Date.now();

    // Phase 1: Prepare nodes for quorum change

    await this.prepareNodesForAdjustment(adjustmentPlan.affectedNodes);

    // Phase 2: Execute membership changes

    const membershipChanges = await this.executeMembershipChanges(

      adjustmentPlan.membershipChanges

    );

    // Phase 3: Update voting weights if needed

    if (adjustmentPlan.weightChanges.length > 0) {

      await this.updateVotingWeights(adjustmentPlan.weightChanges);

    }

    // Phase 4: Reconfigure consensus protocol

    await this.reconfigureConsensusProtocol(adjustmentPlan.protocolChanges);

    // Phase 5: Verify new quorum is operational

    const verificationResult = await this.verifyQuorumOperational(adjustmentPlan.newQuorum);

    const endTime = Date.now();

    return {

      adjustmentId: adjustmentId,

      duration: endTime - startTime,

      membershipChanges: membershipChanges,

      verificationResult: verificationResult,

      impact: await this.measureAdjustmentImpact(startTime, endTime)

    };

  }

}

Network-Based Quorum Strategy

class NetworkBasedStrategy {

  constructor() {

    this.networkAnalyzer = new NetworkAnalyzer();

    this.connectivityMatrix = new ConnectivityMatrix();

    this.partitionPredictor = new PartitionPredictor();

  }

  async calculateQuorum(analysisInput) {

    const { networkConditions, membershipStatus, currentQuorum } = analysisInput;

    // Analyze network topology and connectivity

    const topologyAnalysis = await this.analyzeNetworkTopology(membershipStatus.activeNodes);

    // Predict potential network partitions

    const partitionRisk = await this.assessPartitionRisk(networkConditions, topologyAnalysis);

    // Calculate minimum quorum for fault tolerance

    const minQuorum = this.calculateMinimumQuorum(

      membershipStatus.activeNodes.length,

      partitionRisk.maxPartitionSize

    );

    // Optimize for network conditions

    const optimizedQuorum = await this.optimizeForNetworkConditions(

      minQuorum,

      networkConditions,

      topologyAnalysis

    );

    return {

      quorum: optimizedQuorum,

      strategy: 'NETWORK_BASED',

      confidence: this.calculateConfidence(networkConditions, topologyAnalysis),

      reasoning: this.generateReasoning(optimizedQuorum, partitionRisk, networkConditions),

      expectedImpact: {

        availability: this.estimateAvailabilityImpact(optimizedQuorum),

        performance: this.estimatePerformanceImpact(optimizedQuorum, networkConditions)

      }

    };

  }

  async analyzeNetworkTopology(activeNodes) {

    const topology = {

      nodes: activeNodes.length,

      edges: 0,

      clusters: [],

      diameter: 0,

      connectivity: new Map()

    };

    // Build connectivity matrix

    for (const node of activeNodes) {

      const connections = await this.getNodeConnections(node);

      topology.connectivity.set(node.id, connections);

      topology.edges += connections.length;

    }

    // Identify network clusters

    topology.clusters = await this.identifyNetworkClusters(topology.connectivity);

    // Calculate network diameter

    topology.diameter = await this.calculateNetworkDiameter(topology.connectivity);

    return topology;

  }

  async assessPartitionRisk(networkConditions, topologyAnalysis) {

    const riskFactors = {

      connectivityReliability: this.assessConnectivityReliability(networkConditions),

      geographicDistribution: this.assessGeographicRisk(topologyAnalysis),

      networkLatency: this.assessLatencyRisk(networkConditions),

      historicalPartitions: await this.getHistoricalPartitionData()

    };

    // Calculate overall partition risk

    const overallRisk = this.calculateOverallPartitionRisk(riskFactors);

    // Estimate maximum partition size

    const maxPartitionSize = this.estimateMaxPartitionSize(

      topologyAnalysis,

      riskFactors

    );

    return {

      overallRisk: overallRisk,

      maxPartitionSize: maxPartitionSize,

      riskFactors: riskFactors,

      mitigationStrategies: this.suggestMitigationStrategies(riskFactors)

    };

  }

  calculateMinimumQuorum(totalNodes, maxPartitionSize) {

    // For Byzantine fault tolerance: need > 2/3 of total nodes

    const byzantineMinimum = Math.floor(2 * totalNodes / 3) + 1;

    // For network partition tolerance: need > 1/2 of largest connected component

    const partitionMinimum = Math.floor((totalNodes - maxPartitionSize) / 2) + 1;

    // Use the more restrictive requirement

    return Math.max(byzantineMinimum, partitionMinimum);

  }

  async optimizeForNetworkConditions(minQuorum, networkConditions, topologyAnalysis) {

    const optimization = {

      baseQuorum: minQuorum,

      nodes: new Map(),

      totalWeight: 0

    };

    // Select nodes for quorum based on network position and reliability

    const nodeScores = await this.scoreNodesForQuorum(networkConditions, topologyAnalysis);

    // Sort nodes by score (higher is better)

    const sortedNodes = Array.from(nodeScores.entries())

      .sort(([,scoreA], [,scoreB]) => scoreB - scoreA);

    // Select top nodes for quorum

    let selectedCount = 0;

    for (const [nodeId, score] of sortedNodes) {

      if (selectedCount < minQuorum) {

        const weight = this.calculateNodeWeight(nodeId, score, networkConditions);

        optimization.nodes.set(nodeId, {

          weight: weight,

          score: score,

          role: selectedCount === 0 ? 'primary' : 'secondary'

        });

        optimization.totalWeight += weight;

        selectedCount++;

      }

    }

    return optimization;

  }

  async scoreNodesForQuorum(networkConditions, topologyAnalysis) {

    const scores = new Map();

    for (const [nodeId, connections] of topologyAnalysis.connectivity) {

      let score = 0;

      // Connectivity score (more connections = higher score)

      score += (connections.length / topologyAnalysis.nodes) * 30;

      // Network position score (central nodes get higher scores)

      const centrality = this.calculateCentrality(nodeId, topologyAnalysis);

      score += centrality * 25;

      // Reliability score based on network conditions

      const reliability = await this.getNodeReliability(nodeId, networkConditions);

      score += reliability * 25;

      // Geographic diversity score

      const geoScore = await this.getGeographicDiversityScore(nodeId, topologyAnalysis);

      score += geoScore * 20;

      scores.set(nodeId, score);

    }

    return scores;

  }

  calculateNodeWeight(nodeId, score, networkConditions) {

    // Base weight of 1, adjusted by score and conditions

    let weight = 1.0;

    // Adjust based on normalized score (0-1)

    const normalizedScore = score / 100;

    weight *= (0.5 + normalizedScore);

    // Adjust based on network latency

    const nodeLatency = networkConditions.nodeLatencies.get(nodeId) || 100;

    const latencyFactor = Math.max(0.1, 1.0 - (nodeLatency / 1000)); // Lower latency = higher weight

    weight *= latencyFactor;

    // Ensure minimum weight

    return Math.max(0.1, Math.min(2.0, weight));

  }

}

Performance-Based Quorum Strategy

class PerformanceBasedStrategy {

  constructor() {

    this.performanceAnalyzer = new PerformanceAnalyzer();

    this.throughputOptimizer = new ThroughputOptimizer();

    this.latencyOptimizer = new LatencyOptimizer();

  }

  async calculateQuorum(analysisInput) {

    const { performanceMetrics, membershipStatus, protocol } = analysisInput;

    // Analyze current performance bottlenecks

    const bottlenecks = await this.identifyPerformanceBottlenecks(performanceMetrics);

    // Calculate throughput-optimal quorum size

    const throughputOptimal = await this.calculateThroughputOptimalQuorum(

      performanceMetrics, membershipStatus.activeNodes

    );

    // Calculate latency-optimal quorum size

    const latencyOptimal = await this.calculateLatencyOptimalQuorum(

      performanceMetrics, membershipStatus.activeNodes

    );

    // Balance throughput and latency requirements

    const balancedQuorum = await this.balanceThroughputAndLatency(

      throughputOptimal, latencyOptimal, performanceMetrics.requirements

    );

    return {

      quorum: balancedQuorum,

      strategy: 'PERFORMANCE_BASED',

      confidence: this.calculatePerformanceConfidence(performanceMetrics),

      reasoning: this.generatePerformanceReasoning(

        balancedQuorum, throughputOptimal, latencyOptimal, bottlenecks

      ),

      expectedImpact: {

        throughputImprovement: this.estimateThroughputImpact(balancedQuorum),

        latencyImprovement: this.estimateLatencyImpact(balancedQuorum)

      }

    };

  }

  async calculateThroughputOptimalQuorum(performanceMetrics, activeNodes) {

    const currentThroughput = performanceMetrics.throughput;

    const targetThroughput = performanceMetrics.requirements.targetThroughput;

    // Analyze relationship between quorum size and throughput

    const throughputCurve = await this.analyzeThroughputCurve(activeNodes);

    // Find quorum size that maximizes throughput while meeting requirements

    let optimalSize = Math.ceil(activeNodes.length / 2) + 1; // Minimum viable quorum

    let maxThroughput = 0;

    for (let size = optimalSize; size <= activeNodes.length; size++) {

      const projectedThroughput = this.projectThroughput(size, throughputCurve);

      if (projectedThroughput > maxThroughput &#x26;&#x26; projectedThroughput >= targetThroughput) {

        maxThroughput = projectedThroughput;

        optimalSize = size;

      } else if (projectedThroughput < maxThroughput * 0.9) {

        // Stop if throughput starts decreasing significantly

        break;

      }

    }

    return await this.selectOptimalNodes(activeNodes, optimalSize, 'THROUGHPUT');

  }

  async calculateLatencyOptimalQuorum(performanceMetrics, activeNodes) {

    const currentLatency = performanceMetrics.latency;

    const targetLatency = performanceMetrics.requirements.maxLatency;

    // Analyze relationship between quorum size and latency

    const latencyCurve = await this.analyzeLatencyCurve(activeNodes);

    // Find minimum quorum size that meets latency requirements

    const minViableQuorum = Math.ceil(activeNodes.length / 2) + 1;

    for (let size = minViableQuorum; size <= activeNodes.length; size++) {

      const projectedLatency = this.projectLatency(size, latencyCurve);

      if (projectedLatency <= targetLatency) {

        return await this.selectOptimalNodes(activeNodes, size, 'LATENCY');

      }

    }

    // If no size meets requirements, return minimum viable with warning

    console.warn('No quorum size meets latency requirements');

    return await this.selectOptimalNodes(activeNodes, minViableQuorum, 'LATENCY');

  }

  async selectOptimalNodes(availableNodes, targetSize, optimizationTarget) {

    const nodeScores = new Map();

    // Score nodes based on optimization target

    for (const node of availableNodes) {

      let score = 0;

      if (optimizationTarget === 'THROUGHPUT') {

        score = await this.scoreThroughputCapability(node);

      } else if (optimizationTarget === 'LATENCY') {

        score = await this.scoreLatencyPerformance(node);

      }

      nodeScores.set(node.id, score);

    }

    // Select top-scoring nodes

    const sortedNodes = availableNodes.sort((a, b) =>

      nodeScores.get(b.id) - nodeScores.get(a.id)

    );

    const selectedNodes = new Map();

    for (let i = 0; i < Math.min(targetSize, sortedNodes.length); i++) {

      const node = sortedNodes[i];

      selectedNodes.set(node.id, {

        weight: this.calculatePerformanceWeight(node, nodeScores.get(node.id)),

        score: nodeScores.get(node.id),

        role: i === 0 ? 'primary' : 'secondary',

        optimizationTarget: optimizationTarget

      });

    }

    return {

      nodes: selectedNodes,

      totalWeight: Array.from(selectedNodes.values())

        .reduce((sum, node) => sum + node.weight, 0),

      optimizationTarget: optimizationTarget

    };

  }

  async scoreThroughputCapability(node) {

    let score = 0;

    // CPU capacity score

    const cpuCapacity = await this.getNodeCPUCapacity(node);

    score += (cpuCapacity / 100) * 30; // 30% weight for CPU

    // Network bandwidth score

    const bandwidth = await this.getNodeBandwidth(node);

    score += (bandwidth / 1000) * 25; // 25% weight for bandwidth (Mbps)

    // Memory capacity score

    const memory = await this.getNodeMemory(node);

    score += (memory / 8192) * 20; // 20% weight for memory (MB)

    // Historical throughput performance

    const historicalPerformance = await this.getHistoricalThroughput(node);

    score += (historicalPerformance / 1000) * 25; // 25% weight for historical performance

    return Math.min(100, score); // Normalize to 0-100

  }

  async scoreLatencyPerformance(node) {

    let score = 100; // Start with perfect score, subtract penalties

    // Network latency penalty

    const avgLatency = await this.getAverageNodeLatency(node);

    score -= (avgLatency / 10); // Subtract 1 point per 10ms latency

    // CPU load penalty

    const cpuLoad = await this.getNodeCPULoad(node);

    score -= (cpuLoad / 2); // Subtract 0.5 points per 1% CPU load

    // Geographic distance penalty (for distributed networks)

    const geoLatency = await this.getGeographicLatency(node);

    score -= (geoLatency / 20); // Subtract 1 point per 20ms geo latency

    // Consistency penalty (nodes with inconsistent performance)

    const consistencyScore = await this.getPerformanceConsistency(node);

    score *= consistencyScore; // Multiply by consistency factor (0-1)

    return Math.max(0, score);

  }

}

Fault Tolerance Strategy

class FaultToleranceStrategy {

  constructor() {

    this.faultAnalyzer = new FaultAnalyzer();

    this.reliabilityCalculator = new ReliabilityCalculator();

    this.redundancyOptimizer = new RedundancyOptimizer();

  }

  async calculateQuorum(analysisInput) {

    const { membershipStatus, faultToleranceRequirements, networkConditions } = analysisInput;

    // Analyze fault scenarios

    const faultScenarios = await this.analyzeFaultScenarios(

      membershipStatus.activeNodes, networkConditions

    );

    // Calculate minimum quorum for fault tolerance requirements

    const minQuorum = this.calculateFaultTolerantQuorum(

      faultScenarios, faultToleranceRequirements

    );

    // Optimize node selection for maximum fault tolerance

    const faultTolerantQuorum = await this.optimizeForFaultTolerance(

      membershipStatus.activeNodes, minQuorum, faultScenarios

    );

    return {

      quorum: faultTolerantQuorum,

      strategy: 'FAULT_TOLERANCE_BASED',

      confidence: this.calculateFaultConfidence(faultScenarios),

      reasoning: this.generateFaultToleranceReasoning(

        faultTolerantQuorum, faultScenarios, faultToleranceRequirements

      ),

      expectedImpact: {

        availability: this.estimateAvailabilityImprovement(faultTolerantQuorum),

        resilience: this.estimateResilienceImprovement(faultTolerantQuorum)

      }

    };

  }

  async analyzeFaultScenarios(activeNodes, networkConditions) {

    const scenarios = [];

    // Single node failure scenarios

    for (const node of activeNodes) {

      const scenario = await this.analyzeSingleNodeFailure(node, activeNodes, networkConditions);

      scenarios.push(scenario);

    }

    // Multiple node failure scenarios

    const multiFailureScenarios = await this.analyzeMultipleNodeFailures(

      activeNodes, networkConditions

    );

    scenarios.push(...multiFailureScenarios);

    // Network partition scenarios

    const partitionScenarios = await this.analyzeNetworkPartitionScenarios(

      activeNodes, networkConditions

    );

    scenarios.push(...partitionScenarios);

    // Correlated failure scenarios

    const correlatedFailureScenarios = await this.analyzeCorrelatedFailures(

      activeNodes, networkConditions

    );

    scenarios.push(...correlatedFailureScenarios);

    return this.prioritizeScenariosByLikelihood(scenarios);

  }

  calculateFaultTolerantQuorum(faultScenarios, requirements) {

    let maxRequiredQuorum = 0;

    for (const scenario of faultScenarios) {

      if (scenario.likelihood >= requirements.minLikelihoodToConsider) {

        const requiredQuorum = this.calculateQuorumForScenario(scenario, requirements);

        maxRequiredQuorum = Math.max(maxRequiredQuorum, requiredQuorum);

      }

    }

    return maxRequiredQuorum;

  }

  calculateQuorumForScenario(scenario, requirements) {

    const totalNodes = scenario.totalNodes;

    const failedNodes = scenario.failedNodes;

    const availableNodes = totalNodes - failedNodes;

    // For Byzantine fault tolerance

    if (requirements.byzantineFaultTolerance) {

      const maxByzantineNodes = Math.floor((totalNodes - 1) / 3);

      return Math.floor(2 * totalNodes / 3) + 1;

    }

    // For crash fault tolerance

    return Math.floor(availableNodes / 2) + 1;

  }

  async optimizeForFaultTolerance(activeNodes, minQuorum, faultScenarios) {

    const optimizedQuorum = {

      nodes: new Map(),

      totalWeight: 0,

      faultTolerance: {

        singleNodeFailures: 0,

        multipleNodeFailures: 0,

        networkPartitions: 0

      }

    };

    // Score nodes based on fault tolerance contribution

    const nodeScores = await this.scoreFaultToleranceContribution(

      activeNodes, faultScenarios

    );

    // Select nodes to maximize fault tolerance coverage

    const selectedNodes = this.selectFaultTolerantNodes(

      activeNodes, minQuorum, nodeScores, faultScenarios

    );

    for (const [nodeId, nodeData] of selectedNodes) {

      optimizedQuorum.nodes.set(nodeId, {

        weight: nodeData.weight,

        score: nodeData.score,

        role: nodeData.role,

        faultToleranceContribution: nodeData.faultToleranceContribution

      });

      optimizedQuorum.totalWeight += nodeData.weight;

    }

    // Calculate fault tolerance metrics for selected quorum

    optimizedQuorum.faultTolerance = await this.calculateFaultToleranceMetrics(

      selectedNodes, faultScenarios

    );

    return optimizedQuorum;

  }

  async scoreFaultToleranceContribution(activeNodes, faultScenarios) {

    const scores = new Map();

    for (const node of activeNodes) {

      let score = 0;

      // Independence score (nodes in different failure domains get higher scores)

      const independenceScore = await this.calculateIndependenceScore(node, activeNodes);

      score += independenceScore * 40;

      // Reliability score (historical uptime and performance)

      const reliabilityScore = await this.calculateReliabilityScore(node);

      score += reliabilityScore * 30;

      // Geographic diversity score

      const diversityScore = await this.calculateDiversityScore(node, activeNodes);

      score += diversityScore * 20;

      // Recovery capability score

      const recoveryScore = await this.calculateRecoveryScore(node);

      score += recoveryScore * 10;

      scores.set(node.id, score);

    }

    return scores;

  }

  selectFaultTolerantNodes(activeNodes, minQuorum, nodeScores, faultScenarios) {

    const selectedNodes = new Map();

    const remainingNodes = [...activeNodes];

    // Greedy selection to maximize fault tolerance coverage

    while (selectedNodes.size < minQuorum &#x26;&#x26; remainingNodes.length > 0) {

      let bestNode = null;

      let bestScore = -1;

      let bestIndex = -1;

      for (let i = 0; i < remainingNodes.length; i++) {

        const node = remainingNodes[i];

        const additionalCoverage = this.calculateAdditionalFaultCoverage(

          node, selectedNodes, faultScenarios

        );

        const combinedScore = nodeScores.get(node.id) + (additionalCoverage * 50);

        if (combinedScore > bestScore) {

          bestScore = combinedScore;

          bestNode = node;

          bestIndex = i;

        }

      }

      if (bestNode) {

        selectedNodes.set(bestNode.id, {

          weight: this.calculateFaultToleranceWeight(bestNode, nodeScores.get(bestNode.id)),

          score: nodeScores.get(bestNode.id),

          role: selectedNodes.size === 0 ? 'primary' : 'secondary',

          faultToleranceContribution: this.calculateFaultToleranceContribution(bestNode)

        });

        remainingNodes.splice(bestIndex, 1);

      } else {

        break; // No more beneficial nodes

      }

    }

    return selectedNodes;

  }

}

MCP Integration Hooks

Quorum State Management

// Store quorum configuration and history

await this.mcpTools.memory_usage({

  action: 'store',

  key: `quorum_config_${this.nodeId}`,

  value: JSON.stringify({

    currentQuorum: Array.from(this.currentQuorum.entries()),

    strategy: this.activeStrategy,

    networkConditions: this.lastNetworkAnalysis,

    adjustmentHistory: this.quorumHistory.slice(-10)

  }),

  namespace: 'quorum_management',

  ttl: 3600000 // 1 hour

});

// Coordinate with swarm for membership changes

const swarmStatus = await this.mcpTools.swarm_status({

  swarmId: this.swarmId

});

await this.mcpTools.coordination_sync({

  swarmId: this.swarmId

});

Performance Monitoring Integration

// Track quorum adjustment performance

await this.mcpTools.metrics_collect({

  components: [

    'quorum_adjustment_latency',

    'consensus_availability',

    'fault_tolerance_coverage',

    'network_partition_recovery_time'

  ]

});

// Neural learning for quorum optimization

await this.mcpTools.neural_patterns({

  action: 'learn',

  operation: 'quorum_optimization',

  outcome: JSON.stringify({

    adjustmentType: adjustment.strategy,

    performanceImpact: measurementResults,

    networkConditions: currentNetworkState,

    faultToleranceImprovement: faultToleranceMetrics

  })

});

Task Orchestration for Quorum Changes

// Orchestrate complex quorum adjustments

await this.mcpTools.task_orchestrate({

  task: 'quorum_adjustment',

  strategy: 'sequential',

  priority: 'high',

  dependencies: [

    'network_analysis',

    'membership_validation',

    'performance_assessment'

  ]

});

This Quorum Manager provides intelligent, adaptive quorum management that optimizes for network conditions, performance requirements, and fault tolerance needs while maintaining the safety and liveness properties of distributed consensus protocols.