How Integrations Work

🏗️ Integration System Architecture:

┌─────────────────────────────────────────────────────────────┐
│                    mixus Platform                           │
├─────────────────────────────────────────────────────────────┤
│  🤖 AI Agents           📱 User Interface                   │
│      ↓                       ↓                             │
│  🔧 Agent Tools         💬 Chat Interface                   │
│      ↓                       ↓                             │
├─────────────────────────────────────────────────────────────┤
│              🔀 Integration Layer                           │
│  ┌─────────────┬─────────────┬─────────────┬─────────────┐  │
│  │ Auth Handler│ Data Mapper │ Rate Limiter│ Error Handler│  │
│  └─────────────┴─────────────┴─────────────┴─────────────┘  │
├─────────────────────────────────────────────────────────────┤
│              🌐 External Services                           │
│  ┌─────────────┬─────────────┬─────────────┬─────────────┐  │
│  │    APIs     │   Webhooks  │  Databases  │   File Sys  │  │
│  └─────────────┴─────────────┴─────────────┴─────────────┘  │
└─────────────────────────────────────────────────────────────┘

🔄 Integration Lifecycle:

1️⃣ Discovery & Registration
├── 📋 Service catalog registration
├── 🔍 Capability detection and validation
├── 📚 Schema and API documentation import
└── 🏷️ Tagging and categorization

2️⃣ Authentication Setup
├── 🔐 OAuth 2.0 / OpenID Connect flow
├── 🔑 API key management and storage
├── 🎟️ Token lifecycle management
└── 🔄 Automatic refresh and rotation

3️⃣ Configuration & Testing
├── ⚙️ Connection parameter configuration
├── 🧪 Connection testing and validation
├── 📊 Performance baseline establishment
└── 🚨 Error handling configuration

4️⃣ Runtime Operations
├── 📡 Real-time data exchange
├── 📈 Performance monitoring
├── 🔄 Automatic retry and recovery
└── 📝 Audit logging and compliance

{
  "authentication_methods": {
    "oauth2": {
      "flow_types": ["authorization_code", "client_credentials", "pkce"],
      "token_storage": "encrypted_vault",
      "refresh_strategy": "automatic_background_refresh"
    },
    "api_key": {
      "storage": "encrypted_environment_variables",
      "rotation": "configurable_schedule",
      "validation": "periodic_connectivity_tests"
    },
    "jwt": {
      "signing_algorithms": ["RS256", "ES256", "HS256"],
      "key_management": "secure_key_rotation",
      "claim_validation": "strict_issuer_audience_checks"
    }
  }
}

🔒 Integration Security Layers:

🛡️ Transport Layer Security:
├── 🔐 TLS 1.3 for all external communications
├── 📜 Certificate pinning for critical services
├── 🔍 HSTS enforcement for web-based APIs
└── 🚫 Deprecated protocol blocking

🎟️ Authentication Security:
├── 🔑 Encrypted credential storage in vault
├── 🔄 Automatic token rotation and refresh
├── ⏰ Configurable token expiration policies
├── 🚨 Breach detection and automatic revocation
└── 📊 Authentication audit logging

🔐 Data Protection:
├── 🔒 End-to-end encryption for sensitive data
├── 🎭 Data anonymization and pseudonymization
├── 🗑️ Automatic PII detection and handling
├── 📋 Configurable data retention policies
└── 🔍 Data lineage tracking and governance

🔄 Request Processing Pipeline:

📥 1. Request Ingestion
├── 🔍 Input validation and sanitization
├── 🏷️ Request tagging and categorization
├── 📊 Rate limit checking and queuing
└── 🔐 Authentication and authorization

⚙️ 2. Pre-processing
├── 🔄 Data transformation and mapping
├── 📋 Schema validation and normalization
├── 🎯 Routing to appropriate integration
└── 📦 Payload optimization and compression

📡 3. External Service Communication
├── 🔗 Connection pool management
├── ⏱️ Timeout and retry configuration
├── 📈 Load balancing across endpoints
└── 🔄 Circuit breaker pattern implementation

📥 4. Response Processing
├── 📊 Response validation and parsing
├── 🔄 Data transformation and enrichment
├── 🚨 Error detection and handling
└── 📝 Response caching and storage

🔗 Connection Management:

🏊 Connection Pooling:
├── 📊 Dynamic pool sizing based on demand
├── ⏰ Configurable connection timeouts
├── 🔄 Automatic connection health checks
├── 📈 Load balancing across pool members
└── 🧹 Automatic cleanup of stale connections

⚡ Caching Strategy:
├── 🏃 In-memory caching for frequent requests
├── ⏰ TTL-based cache invalidation
├── 🎯 Smart cache key generation
├── 📊 Cache hit rate monitoring
└── 🔄 Background cache warming

🔄 Circuit Breaker Pattern:
├── 🚨 Automatic failure detection
├── ⏰ Configurable failure thresholds
├── 🛡️ Fast-fail during service outages
├── 🔄 Automatic recovery attempts
└── 📊 Circuit state monitoring and alerting

🚨 Error Handling Framework:

🔍 Error Classification:
├── 🌐 Network Errors (timeout, connection refused)
├── 🔐 Authentication Errors (invalid credentials, expired tokens)
├── 🚫 Authorization Errors (insufficient permissions)
├── 📊 Rate Limit Errors (quota exceeded, throttling)
├── 💥 Service Errors (5xx responses, service unavailable)
├── 📋 Data Errors (invalid format, schema mismatch)
└── ⚙️ Configuration Errors (invalid settings, missing parameters)

🔄 Retry Strategies:
├── 📈 Exponential Backoff (2^n * base_delay)
├── 🎲 Jittered Retry (randomized delay to prevent thundering herd)
├── 🎯 Selective Retry (only for retryable error types)
├── 🔢 Configurable Max Attempts (default: 3, configurable per service)
└── 🛡️ Circuit Breaker Integration (prevent retry storms)

📊 Integration Monitoring:

🎯 Health Metrics:
├── ✅ Success Rate (target: >99.5%)
├── ⏱️ Response Time (p95 < 2s, p99 < 5s)  
├── 🔄 Availability (target: >99.9%)
├── 📈 Throughput (requests per second)
├── 🚨 Error Rate (target: <0.5%)
└── 💾 Resource Usage (CPU, memory, network)

🔔 Alert Configuration:
├── 🚨 Critical: Service down (immediate)
├── ⚠️ Warning: High error rate (5 minutes)
├── 📊 Info: Performance degradation (15 minutes)
├── 📈 Trending: Capacity approaching limits (1 hour)
└── 📋 Daily: Health summary reports