Technical Specifications

1. System Architecture

1.1 Core Infrastructure Components

Infrastructure Layer

• Compute Services
  • Requirements:
    • Container orchestration platform (Kubernetes)
    • Virtual machine provisioning capability
    • Load balancing support
    • Auto-scaling capabilities
  • Provider Requirements:
    • Must support Kubernetes or equivalent container orchestration
    • Must provide virtual machine instances with minimum 4 vCPUs, 8GB RAM
    • Must support custom networking and firewall rules
    • Must provide load balancer services

Storage Layer

• Object Storage

  • Requirements:
    • S3-compatible API
    • Multi-region replication capability
    • Versioning support
    • Lifecycle management
    • Encryption at rest
  • Implementation:
    • Primary: Provider-agnostic S3-compatible storage (MinIO)
    • Fallback: Native object storage from cloud provider

• Block Storage

  • Requirements:
    • SSD-backed volumes
    • Minimum 1000 IOPS
    • Snapshot capability
    • Encryption at rest
  • Implementation:
    • Use provider's block storage service
    • Implement volume management through CSI drivers in Kubernetes

Database Layer

• Primary Database

  • PostgreSQL 14+ cluster
  • Requirements:
    • High availability configuration
    • Automated backups
    • Point-in-time recovery
    • Read replicas support
  • Implementation:
    • Self-managed PostgreSQL on Kubernetes using operators
    • Optional use of managed database services if available

• Cache Layer

  • Redis 6+ cluster
  • Requirements:
    • In-memory caching
    • Persistence
    • Cluster mode
  • Implementation:
    • Self-managed Redis on Kubernetes using operators
    • Fallback to managed Redis services if available

1.2 Matrix Server Infrastructure

Server Provisioning

• Deployment Method
  • Kubernetes-based deployment using Helm charts
  • Custom operators for Matrix server lifecycle management
  • Infrastructure as Code using Terraform

Resource Requirements per Matrix Server

• Minimum specifications:
  • 2 vCPUs
  • 4GB RAM
  • 20GB SSD storage
  • 100GB object storage
• Scaling specifications:
  • Auto-scaling based on user count and activity
  • Maximum resource limits configurable per subscription tier

Networking

• Dedicated virtual network per Matrix server
• Ingress controller with automatic SSL/TLS management
• Network policies for isolation
• Load balancer configuration per server

1.3 Security Architecture

Encryption

• Transport Layer

  • TLS 1.3 for all external communications
  • mTLS for internal service communication
  • Automatic certificate management via cert-manager

• Data at Rest

  • XChaCha20-Poly1305 for database encryption
  • AES-256-GCM for file storage
  • Key rotation policy: 90 days

Access Control

• Authentication

  • OAuth 2.0 / OpenID Connect
  • PKCE flow for mobile clients
  • Hardware security module (HSM) support for key storage
  • Multi-factor authentication support

• Authorization

  • RBAC with fine-grained permissions
  • Resource-based access control
  • JWT-based service-to-service authentication

1.4 Monitoring and Observability

Metrics

• Prometheus for metrics collection
• Grafana for visualization
• Custom metrics for Matrix server health
• Business metrics tracking

Logging

• Distributed logging with OpenTelemetry
• Log aggregation using Loki
• Log retention policies per compliance requirements

Alerting

• Alert manager configuration
• Incident response automation
• On-call rotation support

1.5 Disaster Recovery

Backup Strategy

• Automated daily backups
• Cross-region replication
• Point-in-time recovery capability
• Backup retention: 30 days minimum

Recovery Procedures

• RTO (Recovery Time Objective): 4 hours
• RPO (Recovery Point Objective): 15 minutes
• Automated recovery testing
• Regular disaster recovery drills