Network Infrastructure · Multi-Server ArchitectureActive Infrastructure

Velocity Proxy & Multi-Server Synchronization

Ultra-low latency proxy message routing, Redis player caching, and multi-server state synchronization.

< 2msSync Latency

99.98%Network Uptime

1,500+ PeakPlayer Capacity

The Engineering Challenge

System Bottlenecks & Constraints

A distributed Minecraft network needed seamless player routing between Lobby, Survival, and Minigame instances with instant global rank synchronization, cross-proxy party messaging, and zero race conditions during server transitions.

Engineered Solution

Architectural Blueprint

Designed a modern Velocity plugin pipeline utilizing Redis Pub/Sub for sub-millisecond inter-server messaging. Implemented resilient fallback routing with automated instance health checks and atomic session lockouts to eliminate item/state desynchronization.

Technical Implementation Details

Redis Pub/Sub event bus: Replaces slow database polling with push-based cross-server events.

Atomic session handshakes: Guarantees a player has fully disconnected from one instance before loading inventory data on another.

Intelligent load-balancing: Automatically routes incoming players to the lowest-ping available lobby node.

Dynamic maintenance bypass: Allows staff members to conduct live hot-reloads without disconnecting general players.

Shipped Deliverables & Scope

01Custom Velocity proxy plugin jar and configuration templates
02Redis sentinel integration scripts and connection pool manager
03Staff administration commands for network-wide broadcasts and maintenance
04Full architecture topology map and failover runbook

Technology Stack & Tags

Velocity APIJava 21Lettuce Redis ClientPaperMCDocker

Target PlatformVelocity Proxy · Redis · PaperMC

Commission Similar Architecture

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