NAZMUL

System Architecture & Design

Comprehensive expertise in designing scalable, maintainable systems with proven architectural patterns and best practices.

Core Architecture Components

Security Layer

End-to-end encryption, authentication, and authorization mechanisms.

OAuth 2.0JWTSSL/TLS

Performance

Caching strategies, query optimization, and real-time data synchronization.

RedisGraphQLWebSockets

Monitoring

Comprehensive logging, metrics collection, and alerting systems.

PrometheusGrafanaELK Stack

Scalability Patterns

Horizontal Scaling

Add more servers to distribute load across multiple instances.

Load Balancing, Database Replication, Stateless Services

Vertical Scaling

Increase resources on existing servers for improved performance.

CPU Upgrade, Memory Expansion, Storage Optimization

Code Optimization

Improve application efficiency through algorithmic and architectural improvements.

Algorithm Optimization, Caching, Indexing, Query Optimization

Architecture Flow

Client
API Gateway
Load Balancer
Microservices
Database

Data Flow & Consistency

Consistency Models

  • Strong Consistency

    Immediate data synchronization across all nodes

  • Eventual Consistency

    Temporary inconsistency with guaranteed convergence

  • Causal Consistency

    Respects causality between related operations

Replication Strategies

  • Master-Slave

    Single write source with read replicas

  • Multi-Master

    Multiple write sources with conflict resolution

  • Peer-to-Peer

    Distributed replication without central authority