INF: Infrastructure

Document Type

Code: INF
Name: Infrastructure
Domain: Technology & Data

Abstract

This specification defines the Infrastructure document type within the BSpec 1.0 Universal Business Specification Standard. It establishes normative requirements, structured templates, and implementation guidance for organizations documenting infrastructure within the technology-data domain. This specification enables systematic, machine-readable documentation that supports strategic planning, operational execution, and organizational alignment.

Purpose and Scope

The Infrastructure document defines systematic approaches to designing, deploying, and managing technology infrastructure that supports business operations through reliable, secure, and scalable platforms. It establishes infrastructure frameworks that ensure availability, performance, and cost optimization.

Document Metadata Schema

yaml

---
id: INF-{infrastructure-domain}
title: "Infrastructure — {Infrastructure Domain or Platform}"
type: INF
status: Draft|Review|Approved|Active|Deprecated
version: 1.0.0
owner: Infrastructure-Team|Infrastructure-Engineer
stakeholders: [infrastructure-team, security-team, operations-team, development-team]
domain: technology
priority: Critical|High|Medium|Low
scope: infrastructure-management
horizon: operational
visibility: internal

depends_on: [ARC-*, SYS-*, SEC-*, REQ-*]
enables: [PER-*, QUA-*, MON-*, SLA-*]

platform_type: Cloud|On-premise|Hybrid|Multi-cloud
environment_type: Production|Development|Staging|Disaster-Recovery
criticality_level: Mission-critical|Business-critical|Important|Standard
deployment_model: IaaS|PaaS|SaaS|Container|Serverless

success_criteria:
  - "Infrastructure supports business operations reliably"
  - "Infrastructure meets performance and availability requirements"
  - "Infrastructure provides secure and compliant platform"
  - "Infrastructure optimizes cost and resource efficiency"

assumptions:
  - "Infrastructure requirements are clearly defined and validated"
  - "Security and compliance requirements are established"
  - "Budget constraints and cost targets are understood"

constraints: [Budget and compliance constraints]
standards: [Infrastructure and security standards]
review_cycle: monthly
---

Content Structure Template

markdown

# Infrastructure — {Infrastructure Domain or Platform}

## Executive Summary
**Purpose:** {Brief description of infrastructure purpose and scope}
**Platform:** {Cloud|On-premise|Hybrid|Multi-cloud}
**Environment:** {Production|Development|Staging|Disaster Recovery}
**Criticality:** {Mission Critical|Business Critical|Important|Standard}

## Infrastructure Overview

### Business Context
- **Business Purpose:** {How infrastructure supports business objectives}
- **Service Levels:** {Required availability, performance, security levels}
- **Cost Constraints:** {Budget and cost optimization requirements}
- **Compliance Requirements:** {Regulatory and compliance needs}

### Technical Overview
    ```yaml
    infrastructure_profile:
      platform_type: {Cloud|On-premise|Hybrid}
      cloud_provider: {AWS|Azure|GCP|Multi-cloud}
      regions: [region1, region2, region3]
      availability_zones: [az1, az2, az3]
    
      management:
        infrastructure_as_code: {Terraform|CloudFormation|ARM}
        configuration_management: {Ansible|Chef|Puppet}
        monitoring: {CloudWatch|Datadog|New Relic}
    ```

### Service Scope
- **Compute Services:** {Virtual machines, containers, serverless}
- **Storage Services:** {Block, object, file storage}
- **Network Services:** {VPC, load balancers, CDN, DNS}
- **Database Services:** {Managed databases, caches}
- **Security Services:** {IAM, encryption, monitoring}

## Architecture and Design

### Network Architecture
    ```yaml
    network_design:
      vpc_structure:
        vpc_count: {Number of VPCs}
        cidr_blocks: [10.0.0.0/16, 10.1.0.0/16]
    
      subnet_design:
        public_subnets: [10.0.1.0/24, 10.0.2.0/24]
        private_subnets: [10.0.10.0/24, 10.0.11.0/24]
        database_subnets: [10.0.20.0/24, 10.0.21.0/24]
    
      routing:
        internet_gateway: {Internet connectivity}
        nat_gateway: {Outbound internet for private subnets}
        vpn_gateway: {On-premise connectivity}
    ```

### Compute Architecture
- **Instance Types:** {Optimized instance families and sizes}
- **Auto Scaling:** {Horizontal scaling configuration}
- **Load Balancing:** {Application and network load balancing}
- **Container Platform:** {Kubernetes, ECS, or other orchestration}

### Storage Architecture
    ```yaml
    storage_design:
      block_storage:
        type: {SSD|HDD|NVMe}
        performance: {IOPS requirements}
        capacity: {Storage capacity planning}
    
      object_storage:
        buckets: [bucket1, bucket2]
        lifecycle_policies: {Data lifecycle management}
        access_patterns: {Hot|Warm|Cold storage}
    
      backup_storage:
        strategy: {Backup approach}
        retention: {Retention policies}
        encryption: {Backup encryption}
    ```

## Deployment and Configuration

### Infrastructure as Code
    ```yaml
    iac_framework:
      tools: [Terraform, CloudFormation, Pulumi]
      structure:
        modules: [network, compute, storage, security]
        environments: [dev, staging, prod]
    
      pipeline:
        version_control: {Git repository structure}
        ci_cd: {Deployment automation}
        testing: {Infrastructure testing approach}
    
      governance:
        code_review: {IaC review process}
        security_scanning: {Security policy validation}
        cost_control: {Cost estimation and control}
    ```

### Configuration Management
- **Configuration Standards:** {Standard configurations and baselines}
- **Change Management:** {How configuration changes are managed}
- **Drift Detection:** {Configuration drift monitoring}
- **Compliance Validation:** {Automated compliance checking}

### Deployment Automation
    ```yaml
    deployment:
      orchestration: {Deployment orchestration tools}
      strategies:
        blue_green: {Blue-green deployment approach}
        rolling: {Rolling update strategy}
        canary: {Canary deployment process}
    
      testing:
        smoke_tests: {Post-deployment validation}
        integration_tests: {Integration testing}
        rollback: {Rollback procedures}
    ```

## Security and Compliance

### Security Architecture
    ```yaml
    security_controls:
      network_security:
        firewalls: {Network firewall configuration}
        security_groups: {Instance-level security}
        network_acls: {Subnet-level security}
    
      access_control:
        iam: {Identity and access management}
        rbac: {Role-based access control}
        mfa: {Multi-factor authentication}
    
      data_protection:
        encryption_at_rest: {Storage encryption}
        encryption_in_transit: {Network encryption}
        key_management: {Encryption key management}
    ```

### Compliance Framework
- **Regulatory Requirements:** {SOC 2, ISO 27001, GDPR, HIPAA}
- **Compliance Controls:** {Technical and procedural controls}
- **Audit Logging:** {Comprehensive audit trail}
- **Compliance Monitoring:** {Continuous compliance validation}

### Security Monitoring
    ```yaml
    security_monitoring:
      threat_detection:
        tools: [tool1, tool2]
        use_cases: [anomaly_detection, intrusion_detection]
    
      vulnerability_management:
        scanning: {Vulnerability scanning schedule}
        patching: {Patch management process}
        remediation: {Vulnerability remediation}
    
      incident_response:
        detection: {Security incident detection}
        response: {Incident response procedures}
        forensics: {Digital forensics capabilities}
    ```

## Operations and Management

### Monitoring and Observability
    ```yaml
    monitoring:
      infrastructure_monitoring:
        metrics: [CPU, Memory, Disk, Network]
        alerting: {Alert configuration and escalation}
        dashboards: [dashboard1, dashboard2]
    
      application_monitoring:
        apm: {Application performance monitoring}
        logging: {Centralized logging solution}
        tracing: {Distributed tracing}
    
      business_monitoring:
        kpis: [kpi1, kpi2]
        sla_monitoring: {Service level monitoring}
    ```

### Capacity Management
- **Capacity Planning:** {Resource capacity planning process}
- **Usage Monitoring:** {Resource utilization tracking}
- **Scaling Policies:** {Automated scaling configuration}
- **Cost Optimization:** {Resource optimization strategies}

### Backup and Recovery
    ```yaml
    backup_strategy:
      data_backup:
        frequency: {Backup frequency}
        retention: {Retention policies}
        testing: {Backup testing schedule}
    
      infrastructure_backup:
        configuration_backup: {Infrastructure configuration backup}
        disaster_recovery: {DR site configuration}
    
      recovery_procedures:
        rto: {Recovery Time Objective}
        rpo: {Recovery Point Objective}
        testing: {DR testing schedule}
    ```

## Performance and Scalability

### Performance Optimization
    ```yaml
    performance:
      compute_optimization:
        instance_right_sizing: {Instance optimization}
        cpu_optimization: {CPU performance tuning}
        memory_optimization: {Memory optimization}
    
      storage_optimization:
        io_optimization: {Storage I/O optimization}
        caching: {Storage caching strategies}
    
      network_optimization:
        bandwidth: {Network bandwidth optimization}
        latency: {Latency optimization}
        cdn: {Content delivery network}
    ```

### Scalability Design
- **Horizontal Scaling:** {Scale-out capabilities}
- **Vertical Scaling:** {Scale-up capabilities}
- **Auto Scaling:** {Automated scaling policies}
- **Load Distribution:** {Load balancing and distribution}

### Performance Monitoring
    ```yaml
    performance_metrics:
      infrastructure:
        - metric: {CPU utilization}
          target: {< 80%}
          alerting: {Alert thresholds}
    
        - metric: {Memory utilization}
          target: {< 85%}
          alerting: {Alert configuration}
    
      application:
        - metric: {Response time}
          target: {< 200ms}
          measurement: {How measured}
    ```

## Cost Management

### Cost Optimization
    ```yaml
    cost_management:
      resource_optimization:
        rightsizing: {Instance rightsizing strategies}
        reserved_instances: {Reserved capacity planning}
        spot_instances: {Spot instance usage}
    
      storage_optimization:
        lifecycle_policies: {Data lifecycle management}
        compression: {Data compression strategies}
        archival: {Long-term storage strategies}
    
      network_optimization:
        data_transfer: {Data transfer optimization}
        cdn_usage: {CDN cost optimization}
    ```

### Budget Control
- **Budget Planning:** {Infrastructure budget planning}
- **Cost Allocation:** {Cost center and project allocation}
- **Cost Monitoring:** {Real-time cost monitoring}
- **Cost Alerts:** {Budget alert configuration}

## Business Continuity

### High Availability Design
    ```yaml
    availability:
      redundancy:
        compute: {Compute redundancy across AZs}
        storage: {Storage replication}
        network: {Network redundancy}
    
      failover:
        automatic: {Automated failover capabilities}
        manual: {Manual failover procedures}
        testing: {Failover testing schedule}
    ```

### Disaster Recovery
- **DR Strategy:** {RTO/RPO-based DR strategy}
- **DR Site:** {Secondary site configuration}
- **Data Replication:** {Real-time or scheduled replication}
- **Recovery Testing:** {Regular DR testing procedures}

### Incident Management
    ```yaml
    incident_management:
      detection: {Incident detection mechanisms}
      escalation: {Incident escalation procedures}
      communication: {Stakeholder communication}
    
      post_incident:
        root_cause_analysis: {RCA process}
        lessons_learned: {Learning capture}
        improvement: {Process improvement}
    ```

## Governance and Evolution

### Infrastructure Governance
    ```yaml
    governance:
      standards: {Infrastructure standards and policies}
      change_management: {Change approval process}
      access_control: {Administrative access management}
    
      compliance:
        policy_enforcement: {Automated policy enforcement}
        audit_procedures: {Regular audit procedures}
        exception_handling: {Exception management}
    ```

### Technology Evolution
- **Technology Roadmap:** {Infrastructure modernization roadmap}
- **Migration Strategy:** {Legacy system migration approach}
- **Innovation Adoption:** {New technology evaluation and adoption}
- **Vendor Management:** {Cloud provider and vendor relationships}

### Continuous Improvement
    ```yaml
    improvement:
      metrics_driven: {KPI-based improvement}
      automation: {Process automation initiatives}
      efficiency: {Operational efficiency improvements}
    
      innovation:
        evaluation: {New technology evaluation}
        experimentation: {Proof of concept framework}
        adoption: {Technology adoption process}
    ```

## Validation
*Evidence that infrastructure supports operations reliably, meets requirements, and optimizes cost and efficiency*

## Quality Standards

### Bronze Level (Minimum Viable)
- [ ] Basic infrastructure documentation with core components
- [ ] Simple monitoring and basic security controls
- [ ] Basic backup and recovery procedures
- [ ] All required metadata fields completed

### Silver Level (Investment Ready)
- [ ] Comprehensive infrastructure architecture and design
- [ ] Detailed security framework with compliance controls
- [ ] Structured monitoring, alerting, and capacity management
- [ ] Infrastructure as Code with automated deployment

### Gold Level (Operational Excellence)
- [ ] Advanced infrastructure optimization and automation
- [ ] Sophisticated monitoring, observability, and analytics
- [ ] Comprehensive business continuity and disaster recovery
- [ ] Strategic infrastructure evolution and innovation adoption

## Common Pitfalls

1. **Inadequate monitoring**: Insufficient infrastructure monitoring and alerting
2. **Poor security posture**: Weak security controls and compliance gaps
3. **Lack of automation**: Manual infrastructure management and deployment
4. **Capacity mismanagement**: Poor capacity planning and resource optimization

## Success Patterns

1. **Cloud-native architecture**: Infrastructure designed for cloud-native applications with microservices-friendly container orchestration
2. **Everything as Code**: Infrastructure, configuration, and policies defined as code with version control and automated deployment
3. **Observability-driven operations**: Comprehensive observability with actionable insights and proactive data-driven operations
4. **Security-first design**: Security controls integrated throughout infrastructure with continuous compliance validation

## Relationship Guidelines

### Typical Dependencies
- **ARC (Architecture)**: Architecture design drives infrastructure requirements and technology choices
- **SYS (Systems)**: System requirements inform infrastructure capacity and configuration needs
- **SEC (Security)**: Security requirements drive infrastructure security controls and compliance
- **REQ (Requirements)**: Functional and non-functional requirements shape infrastructure design

### Typical Enablements
- **PER (Performance Specification)**: Infrastructure capabilities drive overall system performance
- **QUA (Quality Specification)**: Infrastructure quality standards drive overall quality outcomes
- **MON (Monitoring)**: Infrastructure monitoring enables comprehensive system observability
- **SLA (Service Level Agreement)**: Infrastructure reliability enables service level achievement

## Document Relationships

This document type commonly relates to:

- **Depends on**: ARC (Architecture), SYS (Systems), SEC (Security), REQ (Requirements)
- **Enables**: PER (Performance Specification), QUA (Quality Specification), MON (Monitoring), SLA (Service Level Agreement)
- **Informs**: Deployment strategy, operational procedures, capacity planning
- **Guides**: Technology selection, security implementation, cost optimization

## Validation Checklist

- [ ] Executive summary with clear purpose, platform, environment, and criticality level
- [ ] Infrastructure overview with business context, technical overview, and service scope
- [ ] Architecture and design with network, compute, and storage architecture
- [ ] Deployment and configuration with IaC framework, configuration management, and automation
- [ ] Security and compliance with architecture, framework, and monitoring
- [ ] Operations and management with monitoring, capacity management, and backup procedures
- [ ] Performance and scalability with optimization, design, and monitoring
- [ ] Cost management with optimization strategies and budget control
- [ ] Business continuity with high availability, disaster recovery, and incident management
- [ ] Governance and evolution with infrastructure governance, technology evolution, and improvement
- [ ] Validation evidence of infrastructure reliability, requirement fulfillment, and operational efficiency

---

## Related Documents

- [Back to Document Types](/docs/document-types)
- [Domain: Technology & Data](/docs/domains/technology-data)
- [Full Specification](/spec/v1-0-0)

INF: Infrastructure ​

Abstract ​

Purpose and Scope ​

Document Metadata Schema ​

Content Structure Template ​

INF: Infrastructure

Abstract

Purpose and Scope

Document Metadata Schema

Content Structure Template