Hosting, load balancing, scalability

Online casino hosting, load balancing and scalability

Speed, stability and fault tolerance are critical parameters for online casinos. With high loads, traffic from different countries and constant gaming sessions, the platform should be ready to scale without interruption. This requires a well-thought-out server architecture, load balancing and flexible hosting.

Hosting: where to deploy online casinos

What is important to consider:

• Speed ​ ​ and low ping by main geo
• DDoS and load protection
• Scalability by CPU/RAM/traffic
• Jurisdiction and loyalty to game projects

Recommended solutions:

• Hetzner - productive and budget for EU/SNG
• DigitalOcean - flexibility, API, backups
• Vultr, Linode - Asia and South America
• AWS/GCP - maximum scalability and geo-coverage
• Using private servers + CDN (Cloudflare, Bunny)

Load balancing

Balancing is the distribution of incoming requests across multiple servers or containers to improve fault tolerance and performance.

What is balanced:

• Backend API Requests
• Gaming sessions (including live games, crash, tournaments)
• WebApp and frontend load
• Traffic to game providers and payments

How is it implemented:

• NGINX/HAProxy as balancer
• Cloud Load Balancer (AWS, GCP)
• Docker Swarm / Kubernetes + autoscaling
• GeoDNS + CDN (different servers by region)

Scalability

Scalability is the ability of casinos to sustain growth: hundreds to millions of users.

What includes:

• Scale Horizontally: adding new instances
• Scale Up (CPU, RAM)
• Caching (Redis, Varnish) and CDN
• Division of API into modules (games, finance, analytics)
• Task queues (RabbitMQ, Kafka) and microservices

Examples of scaling:

• Crash game server stands out as a separate microservice
• At peak load, the frontend is duplicated via CDN
• In live casinos, traffic from mobile is sent to separate nodes

Fault tolerance and safety

Database Replication
Backup every day
Feilover (automatic failover)
Monitoring: Grafana, Prometheus, UptimeRobot
DDoS protection via Cloudflare/Radware/OVH

Examples of architectures

Level	Technology
Balancing	NGINX, HAProxy, Cloud Load Balancer
Hosting	VPS, Dedicated, AWS EC2, GCP
Containerization	Docker, Kubernetes, Swarm
Autoscaling	Horizontal Pod Autoscaler (HPA)
CDN и кэш	Cloudflare, Redis, Bunny CDN

Hosting, balancing and scalability is the technical reliability base of online casinos. Not only uptime and speed depend on the choice of infrastructure, but also the ability to develop into new markets without overloads. The earlier the project lays down the correct architecture, the easier it is to scale without loss of quality.