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Multi DC Infrastructure - Coggle Diagram
Multi DC Infrastructure
I) Strategic & Business Considerations
Business Continuity and Disaster Recovery
Recovery Time Objective (RTO)
Recovery Point Objective (RPO)
DR Site Strategy
Cold, Warm (Only data replication), Hot (Near-realtime failover) site
User Proximity
Inter-Data Center Latency
Regulatory and Data Sovereignty
Cost Implications
CAPEX, OPEX
Data Transfer Costs
Redundancy Costs
Skills and Staffing
II) Technical Considerations
Network Architecture
Interconnects: High-bandwidth, low-latency links between data centers (e.g., dedicated dark fiber, direct connects from cloud providers).
Redundant Connectivity: Multiple paths to prevent single points of failure in network connections.
Routing: Advanced routing protocols (e.g., BGP) to ensure efficient traffic flow and quick failover.
Load Balancing: Global Server Load Balancing (GSLB) or DNS-based load balancing to distribute user traffic across active data centers.
IP Addressing: A well-planned IP addressing scheme that spans across data centers
Data Management and Synchronization
Replication Strategy
Synchronous Replication
Zero RPO but introducing latency for writes
Asynchronous Replication
lower latency, non-ZERO RPO
Consistency
ACID vs BaSE
Data Archiving and Backup
Application Architecture
Stateless vs. Stateful Applications
Microservices and Containerization
Database Considerations
Caching
Queueing and Messaging
Observability
Security
Consistent Security Policies, Firewall rules
IAM
Encryption (Data encryption at Rest and in Transit)
Threat Detection and Monitoring, SIEM
Physical Security
Monitoring and Management
Alerts
IaC - Terraform, Ansible
Goals
Resilience, global reach, and cost optimization
Deterministic latency
Redundancy & High Availability
Scalability
Managebility
Governance Team
Enforce policies - Automation
Resource Provisioning
Configuration Management
Governance Framework
Standardization => Outlines policies, standards, procedures, and best practices
for architecture, security, operations, data management, and compliance
Change Management
Incident Management
Problem Management (Root causes of recurring incidents)
Capacity Planning
Asset Management
Identify and Assess Risks
Risk Management and Compliance